<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3-dev
 * @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 * @todo phpDoc comments
 */




class SimplePie extends SimplePie_Core
{

}



class SimplePie_Author
{
	var $name;
	var $link;
	var $email;

	
	public function __construct($name = null, $link = null, $email = null)
	{
		$this->name = $name;
		$this->link = $link;
		$this->email = $email;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_name()
	{
		if ($this->name !== null)
		{
			return $this->name;
		}
		else
		{
			return null;
		}
	}

	public function get_link()
	{
		if ($this->link !== null)
		{
			return $this->link;
		}
		else
		{
			return null;
		}
	}

	public function get_email()
	{
		if ($this->email !== null)
		{
			return $this->email;
		}
		else
		{
			return null;
		}
	}
}





interface SimplePie_Cache_Base
{
	
	const TYPE_FEED = 'spc';

	
	const TYPE_IMAGE = 'spi';

	
	public function __construct($location, $name, $type);

	
	public function save($data);

	
	public function load();

	
	public function mtime();

	
	public function touch();

	
	public function unlink();
}



abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base
{
	protected static function prepare_simplepie_object_for_cache(&$data)
	{
		$items = $data->get_items();
		$items_by_id = array();

		if (!empty($items))
		{
			foreach ($items as $item)
			{
				$items_by_id[$item->get_id()] = $item;
			}

			if (count($items_by_id) !== count($items))
			{
				$items_by_id = array();
				foreach ($items as $item)
				{
					$items_by_id[$item->get_id(true)] = $item;
				}
			}

			if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
			}
			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
			}
			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
			}
			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
			}
			else
			{
				$channel = null;
			}

			if ($channel !== null)
			{
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
				}
			}
			if (isset($data->data['items']))
			{
				unset($data->data['items']);
			}
			if (isset($data->data['ordered_items']))
			{
				unset($data->data['ordered_items']);
			}
		}
		return array(serialize($data->data), $items_by_id);
	}
}




class SimplePie_Cache_File implements SimplePie_Cache_Base
{
	var $location;
	var $filename;
	var $extension;
	var $name;

	public function __construct($location, $filename, $extension)
	{
		$this->location = $location;
		$this->filename = $filename;
		$this->extension = $extension;
		$this->name = "$this->location/$this->filename.$this->extension";
	}

	public function save($data)
	{
		if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
		{
			if (is_a($data, 'SimplePie'))
			{
				$data = $data->data;
			}

			$data = serialize($data);
			return (bool) file_put_contents($this->name, $data);
		}
		return false;
	}

	public function load()
	{
		if (file_exists($this->name) && is_readable($this->name))
		{
			return unserialize(file_get_contents($this->name));
		}
		return false;
	}

	public function mtime()
	{
		if (file_exists($this->name))
		{
			return filemtime($this->name);
		}
		return false;
	}

	public function touch()
	{
		if (file_exists($this->name))
		{
			return touch($this->name);
		}
		return false;
	}

	public function unlink()
	{
		if (file_exists($this->name))
		{
			return unlink($this->name);
		}
		return false;
	}
}




class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
{
	var $mysql;
	var $options;
	var $id;

	public function __construct($dsn, $name, $extension)
	{
		$this->options = array(
			'user' => null,
			'password' => null,
			'prefix' => '',
		);
		$this->options = array_merge($this->options, SimplePie_Cache::parse_DSN($dsn));
		try
		{
			$this->mysql = new PDO($dsn, $this->options['user'], $this->options['password'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'));
		}
		catch (PDOException $e)
		{
			$this->mysql = null;
			return;
		}

		$this->id = $name . $extension;

		if (!$query = $this->mysql->query('SHOW TABLES'))
		{
			$this->mysql = null;
			return;
		}

		$db = array();
		while ($row = $query->fetchColumn())
		{
			$db[] = $row;
		}

		if (!in_array($this->options['prefix'] . 'cache_data', $db))
		{
			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
			if ($query === false)
			{
				$this->mysql = null;
			}
		}

		if (!in_array($this->options['prefix'] . 'items', $db))
		{
			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
			if ($query === false)
			{
				$this->mysql = null;
			}
		}
	}

	public function save($data)
	{
		if ($this->mysql === null)
		{
			return false;
		}

		if (is_a($data, 'SimplePie'))
		{
			$data = clone $data;

			$prepared = self::prepare_simplepie_object_for_cache($data);

			$query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['prefix'] . 'cache_data` WHERE `id` = :feed');
			$query->bindValue(':feed', $this->id);
			if ($query->execute())
			{
				if ($query->fetchColumn() > 0)
				{
					$items = count($prepared[1]);
					if ($items)
					{
						$sql = 'UPDATE `' . $this->options['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed';
						$query = $this->mysql->prepare($sql);
						$query->bindValue(':items', $items);
					}
					else
					{
						$sql = 'UPDATE `' . $this->options['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed';
						$query = $this->mysql->prepare($sql);
					}

					$query->bindValue(':data', $prepared[0]);
					$query->bindValue(':time', time());
					$query->bindValue(':feed', $this->id);
					if (!$query->execute())
					{
						return false;
					}
				}
				else
				{
					$query = $this->mysql->prepare('INSERT INTO `' . $this->options['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)');
					$query->bindValue(':feed', $this->id);
					$query->bindValue(':count', count($prepared[1]));
					$query->bindValue(':data', $prepared[0]);
					$query->bindValue(':time', time());
					if (!$query->execute())
					{
						return false;
					}
				}

				$ids = array_keys($prepared[1]);
				if (!empty($ids))
				{
					foreach ($ids as $id)
					{
						$database_ids[] = $this->mysql->quote($id);
					}

					$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed');
					$query->bindValue(':feed', $this->id);

					if ($query->execute())
					{
						$existing_ids = array();
						while ($row = $query->fetchColumn())
						{
							$existing_ids[] = $row;
						}

						$new_ids = array_diff($ids, $existing_ids);

						foreach ($new_ids as $new_id)
						{
							if (!($date = $prepared[1][$new_id]->get_date('U')))
							{
								$date = time();
							}

							$query = $this->mysql->prepare('INSERT INTO `' . $this->options['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)');
							$query->bindValue(':feed', $this->id);
							$query->bindValue(':id', $new_id);
							$query->bindValue(':data', serialize($prepared[1][$new_id]->data));
							$query->bindValue(':date', $date);
							if (!$query->execute())
							{
								return false;
							}
						}
						return true;
					}
				}
				else
				{
					return true;
				}
			}
		}
		else
		{
			$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['prefix'] . 'cache_data` WHERE `id` = :feed');
			$query->bindValue(':feed', $this->id);
			if ($query->execute())
			{
				if ($query->rowCount > 0)
				{
					$query = $this->mysql->prepare('UPDATE `' . $this->options['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed');
					$query->bindValue(':data', serialize($data));
					$query->bindValue(':time', time());
					$query->bindValue(':feed', $this->id);
					if ($this->execute())
					{
						return true;
					}
				}
				else
				{
					$query = $this->mysql->prepare('INSERT INTO `' . $this->options['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)');
					$query->bindValue(':id', $this->id);
					$query->bindValue(':data', serialize($data));
					$query->bindValue(':time', time());
					if ($query->execute())
					{
						return true;
					}
				}
			}
		}
		return false;
	}

	public function load()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['prefix'] . 'cache_data` WHERE `id` = :id');
		$query->bindValue(':id', $this->id);
		if ($query->execute() && ($row = $query->fetch()))
		{
			$data = unserialize($row[1]);

			if (isset($this->options['items'][0]))
			{
				$items = (int) $this->options['items'][0];
			}
			else
			{
				$items = (int) $row[0];
			}

			if ($items !== 0)
			{
				if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
				}
				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
				}
				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
				}
				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
				}
				else
				{
					$feed = null;
				}

				if ($feed !== null)
				{
					$sql = 'SELECT `data` FROM `' . $this->options['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC';
					if ($items > 0)
					{
						$sql .= ' LIMIT ' . $items;
					}

					$query = $this->mysql->prepare($sql);
					$query->bindValue(':feed', $this->id);
					if ($query->execute())
					{
						while ($row = $query->fetchColumn())
						{
							$feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row);
						}
					}
					else
					{
						return false;
					}
				}
			}
			return $data;
		}
		return false;
	}

	public function mtime()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['prefix'] . 'cache_data` WHERE `id` = :id');
		$query->bindValue(':id', $this->id);
		if ($query->execute() && ($time = $query->fetchColumn()))
		{
			return $time;
		}
		else
		{
			return false;
		}
	}

	public function touch()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('UPDATE `' . $this->options['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id');
		$query->bindValue(':time', time());
		$query->bindValue(':id', $this->id);
		if ($query->execute() && $query->rowCount > 0)
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	public function unlink()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('DELETE FROM `' . $this->options['prefix'] . 'cache_data` WHERE `id` = :id');
		$query->bindValue(':id', $this->id);
		$query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['prefix'] . 'items` WHERE `feed_id` = :id');
		$query2->bindValue(':id', $this->id);
		if ($query->execute() && $query2->execute())
		{
			return true;
		}
		else
		{
			return false;
		}
	}
}




class SimplePie_Cache
{
	
	protected static $handlers = array('mysql' => 'SimplePie_Cache_MySQL');

	
	private function __construct() { }

	
	public static function create($location, $filename, $extension)
	{
		$type = explode(':', $location, 2);
		$type = $type[0];
		if (!empty(self::$handlers[$type]))
		{
			$class = self::$handlers[$type];
			return new $class($location, $filename, $extension);
		}

		return new SimplePie_Cache_File($location, $filename, $extension);
	}

	
	public static function register($type, $class)
	{
		self::$handlers[$type] = $class;
	}

	
	public static function parse_DSN($dsn)
	{
		$params = array();
		list($params['type'], $options) = explode(':', $dsn, 2);
		$options = explode(';', $options);
		
		for ($i = 0; $i < count($options); $i++)
		{
			$option = $options[$i];
			
			while (strpos($option, '\\') === (strlen($option) - 1))
			{
				
				$option = substr($option, 0, strlen($option) - 1);
				
				$next = array_splice($options, $i + 1, 1);
				
				$option .= ';' . $next[0];
			}
			list($name, $value) = explode('=', $option, 2);
			$params[$name] = $value;
		}
		return $params;
	}
}




class SimplePie_Caption
{
	var $type;
	var $lang;
	var $startTime;
	var $endTime;
	var $text;

	
	public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null)
	{
		$this->type = $type;
		$this->lang = $lang;
		$this->startTime = $startTime;
		$this->endTime = $endTime;
		$this->text = $text;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_endtime()
	{
		if ($this->endTime !== null)
		{
			return $this->endTime;
		}
		else
		{
			return null;
		}
	}

	public function get_language()
	{
		if ($this->lang !== null)
		{
			return $this->lang;
		}
		else
		{
			return null;
		}
	}

	public function get_starttime()
	{
		if ($this->startTime !== null)
		{
			return $this->startTime;
		}
		else
		{
			return null;
		}
	}

	public function get_text()
	{
		if ($this->text !== null)
		{
			return $this->text;
		}
		else
		{
			return null;
		}
	}

	public function get_type()
	{
		if ($this->type !== null)
		{
			return $this->type;
		}
		else
		{
			return null;
		}
	}
}





class SimplePie_Category
{
	var $term;
	var $scheme;
	var $label;

	
	public function __construct($term = null, $scheme = null, $label = null)
	{
		$this->term = $term;
		$this->scheme = $scheme;
		$this->label = $label;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_term()
	{
		if ($this->term !== null)
		{
			return $this->term;
		}
		else
		{
			return null;
		}
	}

	public function get_scheme()
	{
		if ($this->scheme !== null)
		{
			return $this->scheme;
		}
		else
		{
			return null;
		}
	}

	public function get_label()
	{
		if ($this->label !== null)
		{
			return $this->label;
		}
		else
		{
			return $this->get_term();
		}
	}
}






class SimplePie_Content_Type_Sniffer
{
	
	var $file;

	
	public function __construct($file)
	{
		$this->file = $file;
	}

	
	public function get_type()
	{
		if (isset($this->file->headers['content-type']))
		{
			if (!isset($this->file->headers['content-encoding'])
				&& ($this->file->headers['content-type'] === 'text/plain'
					|| $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1'
					|| $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1'))
			{
				return $this->text_or_binary();
			}

			if (($pos = strpos($this->file->headers['content-type'], ';')) !== false)
			{
				$official = substr($this->file->headers['content-type'], 0, $pos);
			}
			else
			{
				$official = $this->file->headers['content-type'];
			}
			$official = trim(strtolower($official));

			if ($official === 'unknown/unknown'
				|| $official === 'application/unknown')
			{
				return $this->unknown();
			}
			elseif (substr($official, -4) === '+xml'
				|| $official === 'text/xml'
				|| $official === 'application/xml')
			{
				return $official;
			}
			elseif (substr($official, 0, 6) === 'image/')
			{
				if ($return = $this->image())
				{
					return $return;
				}
				else
				{
					return $official;
				}
			}
			elseif ($official === 'text/html')
			{
				return $this->feed_or_html();
			}
			else
			{
				return $official;
			}
		}
		else
		{
			return $this->unknown();
		}
	}

	
	public function text_or_binary()
	{
		if (substr($this->file->body, 0, 2) === "\xFE\xFF"
			|| substr($this->file->body, 0, 2) === "\xFF\xFE"
			|| substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF"
			|| substr($this->file->body, 0, 3) === "\xEF\xBB\xBF")
		{
			return 'text/plain';
		}
		elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body))
		{
			return 'application/octect-stream';
		}
		else
		{
			return 'text/plain';
		}
	}

	
	public function unknown()
	{
		$ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20");
		if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html'
			|| strtolower(substr($this->file->body, $ws, 5)) === '<html'
			|| strtolower(substr($this->file->body, $ws, 7)) === '<script')
		{
			return 'text/html';
		}
		elseif (substr($this->file->body, 0, 5) === '%PDF-')
		{
			return 'application/pdf';
		}
		elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-')
		{
			return 'application/postscript';
		}
		elseif (substr($this->file->body, 0, 6) === 'GIF87a'
			|| substr($this->file->body, 0, 6) === 'GIF89a')
		{
			return 'image/gif';
		}
		elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
		{
			return 'image/png';
		}
		elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
		{
			return 'image/jpeg';
		}
		elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
		{
			return 'image/bmp';
		}
		else
		{
			return $this->text_or_binary();
		}
	}

	
	public function image()
	{
		if (substr($this->file->body, 0, 6) === 'GIF87a'
			|| substr($this->file->body, 0, 6) === 'GIF89a')
		{
			return 'image/gif';
		}
		elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
		{
			return 'image/png';
		}
		elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
		{
			return 'image/jpeg';
		}
		elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
		{
			return 'image/bmp';
		}
		else
		{
			return false;
		}
	}

	
	public function feed_or_html()
	{
		$len = strlen($this->file->body);
		$pos = strspn($this->file->body, "\x09\x0A\x0D\x20");

		while ($pos < $len)
		{
			switch ($this->file->body[$pos])
			{
				case "\x09":
				case "\x0A":
				case "\x0D":
				case "\x20":
					$pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos);
					continue 2;

				case '<':
					$pos++;
					break;

				default:
					return 'text/html';
			}

			if (substr($this->file->body, $pos, 3) === '!--')
			{
				$pos += 3;
				if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false)
				{
					$pos += 3;
				}
				else
				{
					return 'text/html';
				}
			}
			elseif (substr($this->file->body, $pos, 1) === '!')
			{
				if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false)
				{
					$pos++;
				}
				else
				{
					return 'text/html';
				}
			}
			elseif (substr($this->file->body, $pos, 1) === '?')
			{
				if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false)
				{
					$pos += 2;
				}
				else
				{
					return 'text/html';
				}
			}
			elseif (substr($this->file->body, $pos, 3) === 'rss'
				|| substr($this->file->body, $pos, 7) === 'rdf:RDF')
			{
				return 'application/rss+xml';
			}
			elseif (substr($this->file->body, $pos, 4) === 'feed')
			{
				return 'application/atom+xml';
			}
			else
			{
				return 'text/html';
			}
		}

		return 'text/html';
	}
}





class SimplePie_Copyright
{
	var $url;
	var $label;

	
	public function __construct($url = null, $label = null)
	{
		$this->url = $url;
		$this->label = $label;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_url()
	{
		if ($this->url !== null)
		{
			return $this->url;
		}
		else
		{
			return null;
		}
	}

	public function get_attribution()
	{
		if ($this->label !== null)
		{
			return $this->label;
		}
		else
		{
			return null;
		}
	}
}





define('SIMPLEPIE_NAME', 'SimplePie');


define('SIMPLEPIE_VERSION', '1.3-dev');


define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::get_build()));


define('SIMPLEPIE_URL', 'http://simplepie.org');


define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);


define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');


define('SIMPLEPIE_LOCATOR_NONE', 0);


define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);


define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);


define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);


define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);


define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);


define('SIMPLEPIE_LOCATOR_ALL', 31);


define('SIMPLEPIE_TYPE_NONE', 0);


define('SIMPLEPIE_TYPE_RSS_090', 1);


define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);


define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);


define('SIMPLEPIE_TYPE_RSS_091', 6);


define('SIMPLEPIE_TYPE_RSS_092', 8);


define('SIMPLEPIE_TYPE_RSS_093', 16);


define('SIMPLEPIE_TYPE_RSS_094', 32);


define('SIMPLEPIE_TYPE_RSS_10', 64);


define('SIMPLEPIE_TYPE_RSS_20', 128);


define('SIMPLEPIE_TYPE_RSS_RDF', 65);


define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);


define('SIMPLEPIE_TYPE_RSS_ALL', 255);


define('SIMPLEPIE_TYPE_ATOM_03', 256);


define('SIMPLEPIE_TYPE_ATOM_10', 512);


define('SIMPLEPIE_TYPE_ATOM_ALL', 768);


define('SIMPLEPIE_TYPE_ALL', 1023);


define('SIMPLEPIE_CONSTRUCT_NONE', 0);


define('SIMPLEPIE_CONSTRUCT_TEXT', 1);


define('SIMPLEPIE_CONSTRUCT_HTML', 2);


define('SIMPLEPIE_CONSTRUCT_XHTML', 4);


define('SIMPLEPIE_CONSTRUCT_BASE64', 8);


define('SIMPLEPIE_CONSTRUCT_IRI', 16);


define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);


define('SIMPLEPIE_CONSTRUCT_ALL', 63);


define('SIMPLEPIE_SAME_CASE', 1);


define('SIMPLEPIE_LOWERCASE', 2);


define('SIMPLEPIE_UPPERCASE', 4);


define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');


define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');


define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');


define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');


define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');


define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');


define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');


define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');


define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');


define('SIMPLEPIE_NAMESPACE_RSS_20', '');


define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');


define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');


define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');


define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');


define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');


define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');


define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss');


define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/');


define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss');


define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/');


define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');


define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');


define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');


define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>='));


define('SIMPLEPIE_FILE_SOURCE_NONE', 0);


define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);


define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);


define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);


define('SIMPLEPIE_FILE_SOURCE_CURL', 8);


define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);




class SimplePie_Core
{
	
	public $data = array();

	
	public $error;

	
	public $sanitize;

	
	public $useragent = SIMPLEPIE_USERAGENT;

	
	public $feed_url;

	
	public $file;

	
	public $raw_data;

	
	public $timeout = 10;

	
	public $force_fsockopen = false;

	
	public $force_feed = false;

	
	public $xml_dump = false;

	
	public $cache = true;

	
	public $cache_duration = 3600;

	
	public $autodiscovery_cache_duration = 604800; 

	
	public $cache_location = './cache';

	
	public $cache_name_function = 'md5';

	
	public $order_by_date = true;

	
	public $input_encoding = false;

	
	public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;

	
	public $cache_class = 'SimplePie_Cache';

	
	public $locator_class = 'SimplePie_Locator';

	
	public $parser_class = 'SimplePie_Parser';

	
	public $file_class = 'SimplePie_File';

	
	public $item_class = 'SimplePie_Item';

	
	public $author_class = 'SimplePie_Author';

	
	public $category_class = 'SimplePie_Category';

	
	public $enclosure_class = 'SimplePie_Enclosure';

	
	public $caption_class = 'SimplePie_Caption';

	
	public $copyright_class = 'SimplePie_Copyright';

	
	public $credit_class = 'SimplePie_Credit';

	
	public $rating_class = 'SimplePie_Rating';

	
	public $restriction_class = 'SimplePie_Restriction';

	
	public $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';

	
	public $source_class = 'SimplePie_Source';

	
	public $javascript = 'js';

	
	public $max_checked_feeds = 10;

	
	public $all_discovered_feeds = array();

	
	public $image_handler = '';

	
	public $multifeed_url = array();

	
	public $multifeed_objects = array();

	
	public $config_settings = null;

	
	public $item_limit = 0;

	
	public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');

	
	public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');

	
	public function __construct()
	{
		if (version_compare(PHP_VERSION, '5.0', '<'))
		{
			trigger_error('PHP 4.x is no longer supported. Please upgrade to PHP 5.2 or newer.');
			die();
		}

		
		$this->sanitize = new SimplePie_Sanitize();

		if (func_num_args() > 0)
		{
			trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.');
		}
	}

	
	public function __toString()
	{
		return md5(serialize($this->data));
	}

	
	public function __destruct()
	{
		if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
		{
			if (!empty($this->data['items']))
			{
				foreach ($this->data['items'] as $item)
				{
					$item->__destruct();
				}
				unset($item, $this->data['items']);
			}
			if (!empty($this->data['ordered_items']))
			{
				foreach ($this->data['ordered_items'] as $item)
				{
					$item->__destruct();
				}
				unset($item, $this->data['ordered_items']);
			}
		}
	}

	
	public function force_feed($enable = false)
	{
		$this->force_feed = (bool) $enable;
	}

	
	public function set_feed_url($url)
	{
		if (is_array($url))
		{
			$this->multifeed_url = array();
			foreach ($url as $value)
			{
				$this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1);
			}
		}
		else
		{
			$this->feed_url = SimplePie_Misc::fix_protocol($url, 1);
		}
	}

	
	public function set_file(&$file)
	{
		if (is_a($file, 'SimplePie_File'))
		{
			$this->feed_url = $file->url;
			$this->file =& $file;
			return true;
		}
		return false;
	}

	
	public function set_raw_data($data)
	{
		$this->raw_data = $data;
	}

	
	public function set_timeout($timeout = 10)
	{
		$this->timeout = (int) $timeout;
	}

	
	public function force_fsockopen($enable = false)
	{
		$this->force_fsockopen = (bool) $enable;
	}

	
	public function enable_cache($enable = true)
	{
		$this->cache = (bool) $enable;
	}

	
	public function set_cache_duration($seconds = 3600)
	{
		$this->cache_duration = (int) $seconds;
	}

	
	public function set_autodiscovery_cache_duration($seconds = 604800)
	{
		$this->autodiscovery_cache_duration = (int) $seconds;
	}

	
	public function set_cache_location($location = './cache')
	{
		$this->cache_location = (string) $location;
	}

	
	public function enable_order_by_date($enable = true)
	{
		$this->order_by_date = (bool) $enable;
	}

	
	public function set_input_encoding($encoding = false)
	{
		if ($encoding)
		{
			$this->input_encoding = (string) $encoding;
		}
		else
		{
			$this->input_encoding = false;
		}
	}

	
	public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
	{
		$this->autodiscovery = (int) $level;
	}

	
	public function set_cache_class($class = 'SimplePie_Cache')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
		{
			$this->cache_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_locator_class($class = 'SimplePie_Locator')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
		{
			$this->locator_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_parser_class($class = 'SimplePie_Parser')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
		{
			$this->parser_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_file_class($class = 'SimplePie_File')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
		{
			$this->file_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_sanitize_class($class = 'SimplePie_Sanitize')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
		{
			$this->sanitize = new $class();
			return true;
		}
		return false;
	}

	
	public function set_item_class($class = 'SimplePie_Item')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
		{
			$this->item_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_author_class($class = 'SimplePie_Author')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
		{
			$this->author_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_category_class($class = 'SimplePie_Category')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
		{
			$this->category_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_enclosure_class($class = 'SimplePie_Enclosure')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
		{
			$this->enclosure_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_caption_class($class = 'SimplePie_Caption')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
		{
			$this->caption_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_copyright_class($class = 'SimplePie_Copyright')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
		{
			$this->copyright_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_credit_class($class = 'SimplePie_Credit')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
		{
			$this->credit_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_rating_class($class = 'SimplePie_Rating')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
		{
			$this->rating_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_restriction_class($class = 'SimplePie_Restriction')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
		{
			$this->restriction_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer'))
		{
			$this->content_type_sniffer_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_source_class($class = 'SimplePie_Source')
	{
		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
		{
			$this->source_class = $class;
			return true;
		}
		return false;
	}

	
	public function set_useragent($ua = SIMPLEPIE_USERAGENT)
	{
		$this->useragent = (string) $ua;
	}

	
	public function set_cache_name_function($function = 'md5')
	{
		if (is_callable($function))
		{
			$this->cache_name_function = $function;
		}
	}

	
	public function set_javascript($get = 'js')
	{
		if ($get)
		{
			$this->javascript = (string) $get;
		}
		else
		{
			$this->javascript = false;
		}
	}

	
	public function set_stupidly_fast($set = false)
	{
		if ($set)
		{
			$this->enable_order_by_date(false);
			$this->remove_div(false);
			$this->strip_comments(false);
			$this->strip_htmltags(false);
			$this->strip_attributes(false);
			$this->set_image_handler(false);
		}
	}

	
	public function set_max_checked_feeds($max = 10)
	{
		$this->max_checked_feeds = (int) $max;
	}

	public function remove_div($enable = true)
	{
		$this->sanitize->remove_div($enable);
	}

	public function strip_htmltags($tags = '', $encode = null)
	{
		if ($tags === '')
		{
			$tags = $this->strip_htmltags;
		}
		$this->sanitize->strip_htmltags($tags);
		if ($encode !== null)
		{
			$this->sanitize->encode_instead_of_strip($tags);
		}
	}

	public function encode_instead_of_strip($enable = true)
	{
		$this->sanitize->encode_instead_of_strip($enable);
	}

	public function strip_attributes($attribs = '')
	{
		if ($attribs === '')
		{
			$attribs = $this->strip_attributes;
		}
		$this->sanitize->strip_attributes($attribs);
	}

	public function set_output_encoding($encoding = 'UTF-8')
	{
		$this->sanitize->set_output_encoding($encoding);
	}

	public function strip_comments($strip = false)
	{
		$this->sanitize->strip_comments($strip);
	}

	
	public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
	{
		$this->sanitize->set_url_replacements($element_attribute);
	}

	
	public function set_image_handler($page = false, $qs = 'i')
	{
		if ($page !== false)
		{
			$this->sanitize->set_image_handler($page . '?' . $qs . '=');
		}
		else
		{
			$this->image_handler = '';
		}
	}

	
	public function set_item_limit($limit = 0)
	{
		$this->item_limit = (int) $limit;
	}

	public function init()
	{
		
		if ((function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
		{
			return false;
		}
		
		elseif (!extension_loaded('xmlreader'))
		{
			static $xml_is_sane = null;
			if ($xml_is_sane === null)
			{
				$parser_check = xml_parser_create();
				xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
				xml_parser_free($parser_check);
				$xml_is_sane = isset($values[0]['value']);
			}
			if (!$xml_is_sane)
			{
				return false;
			}
		}

		if (isset($_GET[$this->javascript]))
		{
			SimplePie_Misc::output_javascript();
			exit;
		}

		
		$this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
		$this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);

		if ($this->feed_url !== null || $this->raw_data !== null)
		{
			$this->error = null;
			$this->data = array();
			$this->multifeed_objects = array();
			$cache = false;

			if ($this->feed_url !== null)
			{
				$parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
				
				if ($this->cache && $parsed_feed_url['scheme'] !== '')
				{
					$cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
				}
				
				if ($cache && !$this->xml_dump)
				{
					
					$this->data = $cache->load();
					if (!empty($this->data))
					{
						
						if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
						{
							$cache->unlink();
							$this->data = array();
						}
						
						elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
						{
							$cache = false;
							$this->data = array();
						}
						
						elseif (isset($this->data['feed_url']))
						{
							
							if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
							{
								
								if ($this->data['feed_url'] === $this->data['url'])
								{
									$cache->unlink();
									$this->data = array();
								}
								else
								{
									$this->set_feed_url($this->data['feed_url']);
									return $this->init();
								}
							}
						}
						
						elseif ($cache->mtime() + $this->cache_duration < time())
						{
							
							if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
							{
								$headers = array(
									'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
								);
								if (isset($this->data['headers']['last-modified']))
								{
									$headers['if-modified-since'] = $this->data['headers']['last-modified'];
								}
								if (isset($this->data['headers']['etag']))
								{
									$headers['if-none-match'] = $this->data['headers']['etag'];
								}

								$file = new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen);

								if ($file->success)
								{
									if ($file->status_code === 304)
									{
										$cache->touch();
										return true;
									}
									else
									{
										$headers = $file->headers;
									}
								}
								else
								{
									unset($file);
								}
							}
						}
						
						else
						{
							return true;
						}
					}
					
					else
					{
						$cache->unlink();
						$this->data = array();
					}
				}
				
				if (!isset($file))
				{
					if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url)
					{
						$file =& $this->file;
					}
					else
					{
						$headers = array(
							'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
						);
						$file = new $this->file_class($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen);
					}
				}
				
				if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
				{
					$this->error = $file->error;
					if (!empty($this->data))
					{
						return true;
					}
					else
					{
						return false;
					}
				}

				if (!$this->force_feed)
				{
					
					$locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);

					if (!$locate->is_feed($file))
					{
						
						unset($file);
						if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds))
						{
							if ($cache)
							{
								$this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
								if (!$cache->save($this))
								{
									trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
								}
								$cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
							}
							$this->feed_url = $file->url;
						}
						else
						{
							$this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.";
							SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
							return false;
						}
					}
					$locate = null;
				}

				$headers = $file->headers;
				$data = $file->body;
				$sniffer = new $this->content_type_sniffer_class($file);
				$sniffed = $sniffer->get_type();
			}
			else
			{
				$data = $this->raw_data;
			}

			
			$encodings = array();

			
			if ($this->input_encoding !== false)
			{
				$encodings[] = $this->input_encoding;
			}

			$application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
			$text_types = array('text/xml', 'text/xml-external-parsed-entity');

			
			if (isset($sniffed))
			{
				if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
				{
					if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
					{
						$encodings[] = strtoupper($charset[1]);
					}
					$encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
					$encodings[] = 'UTF-8';
				}
				elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
				{
					if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
					{
						$encodings[] = $charset[1];
					}
					$encodings[] = 'US-ASCII';
				}
				
				elseif (substr($sniffed, 0, 5) === 'text/')
				{
					$encodings[] = 'US-ASCII';
				}
			}

			
			$encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
			$encodings[] = 'UTF-8';
			$encodings[] = 'ISO-8859-1';

			
			$encodings = array_unique($encodings);

			
			if ($this->xml_dump)
			{
				header('Content-type: text/xml; charset=' . $encodings[0]);
				echo $data;
				exit;
			}

			
			foreach ($encodings as $encoding)
			{
				
				if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'))
				{
					
					$parser = new $this->parser_class();

					
					if ($parser->parse($utf8_data, 'UTF-8'))
					{
						$this->data = $parser->get_data();
						if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE)
						{
							if (isset($headers))
							{
								$this->data['headers'] = $headers;
							}
							$this->data['build'] = SIMPLEPIE_BUILD;

							
							if ($cache && !$cache->save($this))
							{
								trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
							}
							return true;
						}
						else
						{
							$this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed.";
							SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
							return false;
						}
					}
				}
			}

			if (isset($parser))
			{
				
				$this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
			}
			else
			{
				$this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
			}

			SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);

			return false;
		}
		elseif (!empty($this->multifeed_url))
		{
			$i = 0;
			$success = 0;
			$this->multifeed_objects = array();
			foreach ($this->multifeed_url as $url)
			{
				$this->multifeed_objects[$i] = clone $this;
				$this->multifeed_objects[$i]->set_feed_url($url);
				$success |= $this->multifeed_objects[$i]->init();
				$i++;
			}
			return (bool) $success;
		}
		else
		{
			return false;
		}
	}

	
	public function error()
	{
		return $this->error;
	}

	public function get_encoding()
	{
		return $this->sanitize->output_encoding;
	}

	public function handle_content_type($mime = 'text/html')
	{
		if (!headers_sent())
		{
			$header = "Content-type: $mime;";
			if ($this->get_encoding())
			{
				$header .= ' charset=' . $this->get_encoding();
			}
			else
			{
				$header .= ' charset=UTF-8';
			}
			header($header);
		}
	}

	public function get_type()
	{
		if (!isset($this->data['type']))
		{
			$this->data['type'] = SIMPLEPIE_TYPE_ALL;
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
			{
				$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
			}
			elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
			{
				$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
			}
			elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
			{
				if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
				{
					$this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
				}
				if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
				{
					$this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
				}
			}
			elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
			{
				$this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
				if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
				{
					switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
					{
						case '0.91':
							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
							if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
							{
								switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
								{
									case '0':
										$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
										break;

									case '24':
										$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
										break;
								}
							}
							break;

						case '0.92':
							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
							break;

						case '0.93':
							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
							break;

						case '0.94':
							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
							break;

						case '2.0':
							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
							break;
					}
				}
			}
			else
			{
				$this->data['type'] = SIMPLEPIE_TYPE_NONE;
			}
		}
		return $this->data['type'];
	}

	
	public function subscribe_url()
	{
		if ($this->feed_url !== null)
		{
			return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
		}
		else
		{
			return null;
		}
	}

	public function get_feed_tags($namespace, $tag)
	{
		$type = $this->get_type();
		if ($type & SIMPLEPIE_TYPE_ATOM_10)
		{
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]))
			{
				return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag];
			}
		}
		if ($type & SIMPLEPIE_TYPE_ATOM_03)
		{
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]))
			{
				return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag];
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_RDF)
		{
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]))
			{
				return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag];
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
		{
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]))
			{
				return $this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag];
			}
		}
		return null;
	}

	public function get_channel_tags($namespace, $tag)
	{
		$type = $this->get_type();
		if ($type & SIMPLEPIE_TYPE_ATOM_ALL)
		{
			if ($return = $this->get_feed_tags($namespace, $tag))
			{
				return $return;
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_10)
		{
			if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel'))
			{
				if (isset($channel[0]['child'][$namespace][$tag]))
				{
					return $channel[0]['child'][$namespace][$tag];
				}
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_090)
		{
			if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel'))
			{
				if (isset($channel[0]['child'][$namespace][$tag]))
				{
					return $channel[0]['child'][$namespace][$tag];
				}
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
		{
			if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'channel'))
			{
				if (isset($channel[0]['child'][$namespace][$tag]))
				{
					return $channel[0]['child'][$namespace][$tag];
				}
			}
		}
		return null;
	}

	public function get_image_tags($namespace, $tag)
	{
		$type = $this->get_type();
		if ($type & SIMPLEPIE_TYPE_RSS_10)
		{
			if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image'))
			{
				if (isset($image[0]['child'][$namespace][$tag]))
				{
					return $image[0]['child'][$namespace][$tag];
				}
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_090)
		{
			if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image'))
			{
				if (isset($image[0]['child'][$namespace][$tag]))
				{
					return $image[0]['child'][$namespace][$tag];
				}
			}
		}
		if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
		{
			if ($image = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'image'))
			{
				if (isset($image[0]['child'][$namespace][$tag]))
				{
					return $image[0]['child'][$namespace][$tag];
				}
			}
		}
		return null;
	}

	public function get_base($element = array())
	{
		if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
		{
			return $element['xml_base'];
		}
		elseif ($this->get_link() !== null)
		{
			return $this->get_link();
		}
		else
		{
			return $this->subscribe_url();
		}
	}

	public function sanitize($data, $type, $base = '')
	{
		return $this->sanitize->sanitize($data, $type, $base);
	}

	public function get_title()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_category($key = 0)
	{
		$categories = $this->get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_categories()
	{
		$categories = array();

		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
		{
			$term = null;
			$scheme = null;
			$label = null;
			if (isset($category['attribs']['']['term']))
			{
				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['scheme']))
			{
				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['label']))
			{
				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			$categories[] = new $this->category_class($term, $scheme, $label);
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
		{
			
			
			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			if (isset($category['attribs']['']['domain']))
			{
				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$scheme = null;
			}
			$categories[] = new $this->category_class($term, $scheme, null);
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
		{
			$categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
		{
			$categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}

		if (!empty($categories))
		{
			return SimplePie_Misc::array_unique($categories);
		}
		else
		{
			return null;
		}
	}

	public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_authors()
	{
		$authors = array();
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$authors[] = new $this->author_class($name, $uri, $email);
			}
		}
		if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$authors[] = new $this->author_class($name, $url, $email);
			}
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
		{
			$authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
		{
			$authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
		{
			$authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}

		if (!empty($authors))
		{
			return SimplePie_Misc::array_unique($authors);
		}
		else
		{
			return null;
		}
	}

	public function get_contributor($key = 0)
	{
		$contributors = $this->get_contributors();
		if (isset($contributors[$key]))
		{
			return $contributors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_contributors()
	{
		$contributors = array();
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$contributors[] = new $this->author_class($name, $uri, $email);
			}
		}
		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$contributors[] = new $this->author_class($name, $url, $email);
			}
		}

		if (!empty($contributors))
		{
			return SimplePie_Misc::array_unique($contributors);
		}
		else
		{
			return null;
		}
	}

	public function get_link($key = 0, $rel = 'alternate')
	{
		$links = $this->get_links($rel);
		if (isset($links[$key]))
		{
			return $links[$key];
		}
		else
		{
			return null;
		}
	}

	
	public function get_permalink()
	{
		return $this->get_link(0);
	}

	public function get_links($rel = 'alternate')
	{
		if (!isset($this->data['links']))
		{
			$this->data['links'] = array();
			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
			{
				foreach ($links as $link)
				{
					if (isset($link['attribs']['']['href']))
					{
						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					}
				}
			}
			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
			{
				foreach ($links as $link)
				{
					if (isset($link['attribs']['']['href']))
					{
						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

					}
				}
			}
			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}

			$keys = array_keys($this->data['links']);
			foreach ($keys as $key)
			{
				if (SimplePie_Misc::is_isegment_nz_nc($key))
				{
					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
					}
					else
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
					}
				}
				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
				{
					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
				}
				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
			}
		}

		if (isset($this->data['links'][$rel]))
		{
			return $this->data['links'][$rel];
		}
		else
		{
			return null;
		}
	}

	public function get_all_discovered_feeds()
	{
		return $this->all_discovered_feeds;
	}

	public function get_description()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}

	public function get_copyright()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_language()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang']))
		{
			return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang']))
		{
			return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang']))
		{
			return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this->data['headers']['content-language']))
		{
			return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_latitude()
	{

		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[1];
		}
		else
		{
			return null;
		}
	}

	public function get_longitude()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
		{
			return (float) $return[0]['data'];
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[2];
		}
		else
		{
			return null;
		}
	}

	public function get_image_title()
	{
		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_image_url()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
		{
			return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}

	public function get_image_link()
	{
		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}

	public function get_image_width()
	{
		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'width'))
		{
			return round($return[0]['data']);
		}
		elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
		{
			return 88.0;
		}
		else
		{
			return null;
		}
	}

	public function get_image_height()
	{
		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height'))
		{
			return round($return[0]['data']);
		}
		elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
		{
			return 31.0;
		}
		else
		{
			return null;
		}
	}

	public function get_item_quantity($max = 0)
	{
		$max = (int) $max;
		$qty = count($this->get_items());
		if ($max === 0)
		{
			return $qty;
		}
		else
		{
			return ($qty > $max) ? $max : $qty;
		}
	}

	public function get_item($key = 0)
	{
		$items = $this->get_items();
		if (isset($items[$key]))
		{
			return $items[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_items($start = 0, $end = 0)
	{
		if (!isset($this->data['items']))
		{
			if (!empty($this->multifeed_objects))
			{
				$this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
			}
			else
			{
				$this->data['items'] = array();
				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
				{
					$keys = array_keys($items);
					foreach ($keys as $key)
					{
						$this->data['items'][] = new $this->item_class($this, $items[$key]);
					}
				}
				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
				{
					$keys = array_keys($items);
					foreach ($keys as $key)
					{
						$this->data['items'][] = new $this->item_class($this, $items[$key]);
					}
				}
				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
				{
					$keys = array_keys($items);
					foreach ($keys as $key)
					{
						$this->data['items'][] = new $this->item_class($this, $items[$key]);
					}
				}
				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
				{
					$keys = array_keys($items);
					foreach ($keys as $key)
					{
						$this->data['items'][] = new $this->item_class($this, $items[$key]);
					}
				}
				if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
				{
					$keys = array_keys($items);
					foreach ($keys as $key)
					{
						$this->data['items'][] = new $this->item_class($this, $items[$key]);
					}
				}
			}
		}

		if (!empty($this->data['items']))
		{
			
			if ($this->order_by_date && empty($this->multifeed_objects))
			{
				if (!isset($this->data['ordered_items']))
				{
					$do_sort = true;
					foreach ($this->data['items'] as $item)
					{
						if (!$item->get_date('U'))
						{
							$do_sort = false;
							break;
						}
					}
					$item = null;
					$this->data['ordered_items'] = $this->data['items'];
					if ($do_sort)
					{
						usort($this->data['ordered_items'], array(&$this, 'sort_items'));
					}
				}
				$items = $this->data['ordered_items'];
			}
			else
			{
				$items = $this->data['items'];
			}

			
			if ($end === 0)
			{
				return array_slice($items, $start);
			}
			else
			{
				return array_slice($items, $start, $end);
			}
		}
		else
		{
			return array();
		}
	}

	
	public function sort_items($a, $b)
	{
		return $a->get_date('U') <= $b->get_date('U');
	}

	
	public function merge_items($urls, $start = 0, $end = 0, $limit = 0)
	{
		if (is_array($urls) && sizeof($urls) > 0)
		{
			$items = array();
			foreach ($urls as $arg)
			{
				if (is_a($arg, 'SimplePie'))
				{
					$items = array_merge($items, $arg->get_items(0, $limit));
				}
				else
				{
					trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
				}
			}

			$do_sort = true;
			foreach ($items as $item)
			{
				if (!$item->get_date('U'))
				{
					$do_sort = false;
					break;
				}
			}
			$item = null;
			if ($do_sort)
			{
				usort($items, array('SimplePie', 'sort_items'));
			}

			if ($end === 0)
			{
				return array_slice($items, $start);
			}
			else
			{
				return array_slice($items, $start, $end);
			}
		}
		else
		{
			trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
			return array();
		}
	}
}




class SimplePie_Credit
{
	var $role;
	var $scheme;
	var $name;

	
	public function __construct($role = null, $scheme = null, $name = null)
	{
		$this->role = $role;
		$this->scheme = $scheme;
		$this->name = $name;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_role()
	{
		if ($this->role !== null)
		{
			return $this->role;
		}
		else
		{
			return null;
		}
	}

	public function get_scheme()
	{
		if ($this->scheme !== null)
		{
			return $this->scheme;
		}
		else
		{
			return null;
		}
	}

	public function get_name()
	{
		if ($this->name !== null)
		{
			return $this->name;
		}
		else
		{
			return null;
		}
	}
}






class SimplePie_Decode_HTML_Entities
{
	
	var $data = '';

	
	var $consumed = '';

	
	var $position = 0;

	
	public function __construct($data)
	{
		$this->data = $data;
	}

	
	public function parse()
	{
		while (($this->position = strpos($this->data, '&', $this->position)) !== false)
		{
			$this->consume();
			$this->entity();
			$this->consumed = '';
		}
		return $this->data;
	}

	
	public function consume()
	{
		if (isset($this->data[$this->position]))
		{
			$this->consumed .= $this->data[$this->position];
			return $this->data[$this->position++];
		}
		else
		{
			return false;
		}
	}

	
	public function consume_range($chars)
	{
		if ($len = strspn($this->data, $chars, $this->position))
		{
			$data = substr($this->data, $this->position, $len);
			$this->consumed .= $data;
			$this->position += $len;
			return $data;
		}
		else
		{
			return false;
		}
	}

	
	public function unconsume()
	{
		$this->consumed = substr($this->consumed, 0, -1);
		$this->position--;
	}

	
	public function entity()
	{
		switch ($this->consume())
		{
			case "\x09":
			case "\x0A":
			case "\x0B":
			case "\x0B":
			case "\x0C":
			case "\x20":
			case "\x3C":
			case "\x26":
			case false:
				break;

			case "\x23":
				switch ($this->consume())
				{
					case "\x78":
					case "\x58":
						$range = '0123456789ABCDEFabcdef';
						$hex = true;
						break;

					default:
						$range = '0123456789';
						$hex = false;
						$this->unconsume();
						break;
				}

				if ($codepoint = $this->consume_range($range))
				{
					static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");

					if ($hex)
					{
						$codepoint = hexdec($codepoint);
					}
					else
					{
						$codepoint = intval($codepoint);
					}

					if (isset($windows_1252_specials[$codepoint]))
					{
						$replacement = $windows_1252_specials[$codepoint];
					}
					else
					{
						$replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
					}

					if (!in_array($this->consume(), array(';', false), true))
					{
						$this->unconsume();
					}

					$consumed_length = strlen($this->consumed);
					$this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
					$this->position += strlen($replacement) - $consumed_length;
				}
				break;

			default:
				static $entities = array('Aacute' => "\xC3\x81", 'aacute' => "\xC3\xA1", 'Aacute;' => "\xC3\x81", 'aacute;' => "\xC3\xA1", 'Acirc' => "\xC3\x82", 'acirc' => "\xC3\xA2", 'Acirc;' => "\xC3\x82", 'acirc;' => "\xC3\xA2", 'acute' => "\xC2\xB4", 'acute;' => "\xC2\xB4", 'AElig' => "\xC3\x86", 'aelig' => "\xC3\xA6", 'AElig;' => "\xC3\x86", 'aelig;' => "\xC3\xA6", 'Agrave' => "\xC3\x80", 'agrave' => "\xC3\xA0", 'Agrave;' => "\xC3\x80", 'agrave;' => "\xC3\xA0", 'alefsym;' => "\xE2\x84\xB5", 'Alpha;' => "\xCE\x91", 'alpha;' => "\xCE\xB1", 'AMP' => "\x26", 'amp' => "\x26", 'AMP;' => "\x26", 'amp;' => "\x26", 'and;' => "\xE2\x88\xA7", 'ang;' => "\xE2\x88\xA0", 'apos;' => "\x27", 'Aring' => "\xC3\x85", 'aring' => "\xC3\xA5", 'Aring;' => "\xC3\x85", 'aring;' => "\xC3\xA5", 'asymp;' => "\xE2\x89\x88", 'Atilde' => "\xC3\x83", 'atilde' => "\xC3\xA3", 'Atilde;' => "\xC3\x83", 'atilde;' => "\xC3\xA3", 'Auml' => "\xC3\x84", 'auml' => "\xC3\xA4", 'Auml;' => "\xC3\x84", 'auml;' => "\xC3\xA4", 'bdquo;' => "\xE2\x80\x9E", 'Beta;' => "\xCE\x92", 'beta;' => "\xCE\xB2", 'brvbar' => "\xC2\xA6", 'brvbar;' => "\xC2\xA6", 'bull;' => "\xE2\x80\xA2", 'cap;' => "\xE2\x88\xA9", 'Ccedil' => "\xC3\x87", 'ccedil' => "\xC3\xA7", 'Ccedil;' => "\xC3\x87", 'ccedil;' => "\xC3\xA7", 'cedil' => "\xC2\xB8", 'cedil;' => "\xC2\xB8", 'cent' => "\xC2\xA2", 'cent;' => "\xC2\xA2", 'Chi;' => "\xCE\xA7", 'chi;' => "\xCF\x87", 'circ;' => "\xCB\x86", 'clubs;' => "\xE2\x99\xA3", 'cong;' => "\xE2\x89\x85", 'COPY' => "\xC2\xA9", 'copy' => "\xC2\xA9", 'COPY;' => "\xC2\xA9", 'copy;' => "\xC2\xA9", 'crarr;' => "\xE2\x86\xB5", 'cup;' => "\xE2\x88\xAA", 'curren' => "\xC2\xA4", 'curren;' => "\xC2\xA4", 'Dagger;' => "\xE2\x80\xA1", 'dagger;' => "\xE2\x80\xA0", 'dArr;' => "\xE2\x87\x93", 'darr;' => "\xE2\x86\x93", 'deg' => "\xC2\xB0", 'deg;' => "\xC2\xB0", 'Delta;' => "\xCE\x94", 'delta;' => "\xCE\xB4", 'diams;' => "\xE2\x99\xA6", 'divide' => "\xC3\xB7", 'divide;' => "\xC3\xB7", 'Eacute' => "\xC3\x89", 'eacute' => "\xC3\xA9", 'Eacute;' => "\xC3\x89", 'eacute;' => "\xC3\xA9", 'Ecirc' => "\xC3\x8A", 'ecirc' => "\xC3\xAA", 'Ecirc;' => "\xC3\x8A", 'ecirc;' => "\xC3\xAA", 'Egrave' => "\xC3\x88", 'egrave' => "\xC3\xA8", 'Egrave;' => "\xC3\x88", 'egrave;' => "\xC3\xA8", 'empty;' => "\xE2\x88\x85", 'emsp;' => "\xE2\x80\x83", 'ensp;' => "\xE2\x80\x82", 'Epsilon;' => "\xCE\x95", 'epsilon;' => "\xCE\xB5", 'equiv;' => "\xE2\x89\xA1", 'Eta;' => "\xCE\x97", 'eta;' => "\xCE\xB7", 'ETH' => "\xC3\x90", 'eth' => "\xC3\xB0", 'ETH;' => "\xC3\x90", 'eth;' => "\xC3\xB0", 'Euml' => "\xC3\x8B", 'euml' => "\xC3\xAB", 'Euml;' => "\xC3\x8B", 'euml;' => "\xC3\xAB", 'euro;' => "\xE2\x82\xAC", 'exist;' => "\xE2\x88\x83", 'fnof;' => "\xC6\x92", 'forall;' => "\xE2\x88\x80", 'frac12' => "\xC2\xBD", 'frac12;' => "\xC2\xBD", 'frac14' => "\xC2\xBC", 'frac14;' => "\xC2\xBC", 'frac34' => "\xC2\xBE", 'frac34;' => "\xC2\xBE", 'frasl;' => "\xE2\x81\x84", 'Gamma;' => "\xCE\x93", 'gamma;' => "\xCE\xB3", 'ge;' => "\xE2\x89\xA5", 'GT' => "\x3E", 'gt' => "\x3E", 'GT;' => "\x3E", 'gt;' => "\x3E", 'hArr;' => "\xE2\x87\x94", 'harr;' => "\xE2\x86\x94", 'hearts;' => "\xE2\x99\xA5", 'hellip;' => "\xE2\x80\xA6", 'Iacute' => "\xC3\x8D", 'iacute' => "\xC3\xAD", 'Iacute;' => "\xC3\x8D", 'iacute;' => "\xC3\xAD", 'Icirc' => "\xC3\x8E", 'icirc' => "\xC3\xAE", 'Icirc;' => "\xC3\x8E", 'icirc;' => "\xC3\xAE", 'iexcl' => "\xC2\xA1", 'iexcl;' => "\xC2\xA1", 'Igrave' => "\xC3\x8C", 'igrave' => "\xC3\xAC", 'Igrave;' => "\xC3\x8C", 'igrave;' => "\xC3\xAC", 'image;' => "\xE2\x84\x91", 'infin;' => "\xE2\x88\x9E", 'int;' => "\xE2\x88\xAB", 'Iota;' => "\xCE\x99", 'iota;' => "\xCE\xB9", 'iquest' => "\xC2\xBF", 'iquest;' => "\xC2\xBF", 'isin;' => "\xE2\x88\x88", 'Iuml' => "\xC3\x8F", 'iuml' => "\xC3\xAF", 'Iuml;' => "\xC3\x8F", 'iuml;' => "\xC3\xAF", 'Kappa;' => "\xCE\x9A", 'kappa;' => "\xCE\xBA", 'Lambda;' => "\xCE\x9B", 'lambda;' => "\xCE\xBB", 'lang;' => "\xE3\x80\x88", 'laquo' => "\xC2\xAB", 'laquo;' => "\xC2\xAB", 'lArr;' => "\xE2\x87\x90", 'larr;' => "\xE2\x86\x90", 'lceil;' => "\xE2\x8C\x88", 'ldquo;' => "\xE2\x80\x9C", 'le;' => "\xE2\x89\xA4", 'lfloor;' => "\xE2\x8C\x8A", 'lowast;' => "\xE2\x88\x97", 'loz;' => "\xE2\x97\x8A", 'lrm;' => "\xE2\x80\x8E", 'lsaquo;' => "\xE2\x80\xB9", 'lsquo;' => "\xE2\x80\x98", 'LT' => "\x3C", 'lt' => "\x3C", 'LT;' => "\x3C", 'lt;' => "\x3C", 'macr' => "\xC2\xAF", 'macr;' => "\xC2\xAF", 'mdash;' => "\xE2\x80\x94", 'micro' => "\xC2\xB5", 'micro;' => "\xC2\xB5", 'middot' => "\xC2\xB7", 'middot;' => "\xC2\xB7", 'minus;' => "\xE2\x88\x92", 'Mu;' => "\xCE\x9C", 'mu;' => "\xCE\xBC", 'nabla;' => "\xE2\x88\x87", 'nbsp' => "\xC2\xA0", 'nbsp;' => "\xC2\xA0", 'ndash;' => "\xE2\x80\x93", 'ne;' => "\xE2\x89\xA0", 'ni;' => "\xE2\x88\x8B", 'not' => "\xC2\xAC", 'not;' => "\xC2\xAC", 'notin;' => "\xE2\x88\x89", 'nsub;' => "\xE2\x8A\x84", 'Ntilde' => "\xC3\x91", 'ntilde' => "\xC3\xB1", 'Ntilde;' => "\xC3\x91", 'ntilde;' => "\xC3\xB1", 'Nu;' => "\xCE\x9D", 'nu;' => "\xCE\xBD", 'Oacute' => "\xC3\x93", 'oacute' => "\xC3\xB3", 'Oacute;' => "\xC3\x93", 'oacute;' => "\xC3\xB3", 'Ocirc' => "\xC3\x94", 'ocirc' => "\xC3\xB4", 'Ocirc;' => "\xC3\x94", 'ocirc;' => "\xC3\xB4", 'OElig;' => "\xC5\x92", 'oelig;' => "\xC5\x93", 'Ograve' => "\xC3\x92", 'ograve' => "\xC3\xB2", 'Ograve;' => "\xC3\x92", 'ograve;' => "\xC3\xB2", 'oline;' => "\xE2\x80\xBE", 'Omega;' => "\xCE\xA9", 'omega;' => "\xCF\x89", 'Omicron;' => "\xCE\x9F", 'omicron;' => "\xCE\xBF", 'oplus;' => "\xE2\x8A\x95", 'or;' => "\xE2\x88\xA8", 'ordf' => "\xC2\xAA", 'ordf;' => "\xC2\xAA", 'ordm' => "\xC2\xBA", 'ordm;' => "\xC2\xBA", 'Oslash' => "\xC3\x98", 'oslash' => "\xC3\xB8", 'Oslash;' => "\xC3\x98", 'oslash;' => "\xC3\xB8", 'Otilde' => "\xC3\x95", 'otilde' => "\xC3\xB5", 'Otilde;' => "\xC3\x95", 'otilde;' => "\xC3\xB5", 'otimes;' => "\xE2\x8A\x97", 'Ouml' => "\xC3\x96", 'ouml' => "\xC3\xB6", 'Ouml;' => "\xC3\x96", 'ouml;' => "\xC3\xB6", 'para' => "\xC2\xB6", 'para;' => "\xC2\xB6", 'part;' => "\xE2\x88\x82", 'permil;' => "\xE2\x80\xB0", 'perp;' => "\xE2\x8A\xA5", 'Phi;' => "\xCE\xA6", 'phi;' => "\xCF\x86", 'Pi;' => "\xCE\xA0", 'pi;' => "\xCF\x80", 'piv;' => "\xCF\x96", 'plusmn' => "\xC2\xB1", 'plusmn;' => "\xC2\xB1", 'pound' => "\xC2\xA3", 'pound;' => "\xC2\xA3", 'Prime;' => "\xE2\x80\xB3", 'prime;' => "\xE2\x80\xB2", 'prod;' => "\xE2\x88\x8F", 'prop;' => "\xE2\x88\x9D", 'Psi;' => "\xCE\xA8", 'psi;' => "\xCF\x88", 'QUOT' => "\x22", 'quot' => "\x22", 'QUOT;' => "\x22", 'quot;' => "\x22", 'radic;' => "\xE2\x88\x9A", 'rang;' => "\xE3\x80\x89", 'raquo' => "\xC2\xBB", 'raquo;' => "\xC2\xBB", 'rArr;' => "\xE2\x87\x92", 'rarr;' => "\xE2\x86\x92", 'rceil;' => "\xE2\x8C\x89", 'rdquo;' => "\xE2\x80\x9D", 'real;' => "\xE2\x84\x9C", 'REG' => "\xC2\xAE", 'reg' => "\xC2\xAE", 'REG;' => "\xC2\xAE", 'reg;' => "\xC2\xAE", 'rfloor;' => "\xE2\x8C\x8B", 'Rho;' => "\xCE\xA1", 'rho;' => "\xCF\x81", 'rlm;' => "\xE2\x80\x8F", 'rsaquo;' => "\xE2\x80\xBA", 'rsquo;' => "\xE2\x80\x99", 'sbquo;' => "\xE2\x80\x9A", 'Scaron;' => "\xC5\xA0", 'scaron;' => "\xC5\xA1", 'sdot;' => "\xE2\x8B\x85", 'sect' => "\xC2\xA7", 'sect;' => "\xC2\xA7", 'shy' => "\xC2\xAD", 'shy;' => "\xC2\xAD", 'Sigma;' => "\xCE\xA3", 'sigma;' => "\xCF\x83", 'sigmaf;' => "\xCF\x82", 'sim;' => "\xE2\x88\xBC", 'spades;' => "\xE2\x99\xA0", 'sub;' => "\xE2\x8A\x82", 'sube;' => "\xE2\x8A\x86", 'sum;' => "\xE2\x88\x91", 'sup;' => "\xE2\x8A\x83", 'sup1' => "\xC2\xB9", 'sup1;' => "\xC2\xB9", 'sup2' => "\xC2\xB2", 'sup2;' => "\xC2\xB2", 'sup3' => "\xC2\xB3", 'sup3;' => "\xC2\xB3", 'supe;' => "\xE2\x8A\x87", 'szlig' => "\xC3\x9F", 'szlig;' => "\xC3\x9F", 'Tau;' => "\xCE\xA4", 'tau;' => "\xCF\x84", 'there4;' => "\xE2\x88\xB4", 'Theta;' => "\xCE\x98", 'theta;' => "\xCE\xB8", 'thetasym;' => "\xCF\x91", 'thinsp;' => "\xE2\x80\x89", 'THORN' => "\xC3\x9E", 'thorn' => "\xC3\xBE", 'THORN;' => "\xC3\x9E", 'thorn;' => "\xC3\xBE", 'tilde;' => "\xCB\x9C", 'times' => "\xC3\x97", 'times;' => "\xC3\x97", 'TRADE;' => "\xE2\x84\xA2", 'trade;' => "\xE2\x84\xA2", 'Uacute' => "\xC3\x9A", 'uacute' => "\xC3\xBA", 'Uacute;' => "\xC3\x9A", 'uacute;' => "\xC3\xBA", 'uArr;' => "\xE2\x87\x91", 'uarr;' => "\xE2\x86\x91", 'Ucirc' => "\xC3\x9B", 'ucirc' => "\xC3\xBB", 'Ucirc;' => "\xC3\x9B", 'ucirc;' => "\xC3\xBB", 'Ugrave' => "\xC3\x99", 'ugrave' => "\xC3\xB9", 'Ugrave;' => "\xC3\x99", 'ugrave;' => "\xC3\xB9", 'uml' => "\xC2\xA8", 'uml;' => "\xC2\xA8", 'upsih;' => "\xCF\x92", 'Upsilon;' => "\xCE\xA5", 'upsilon;' => "\xCF\x85", 'Uuml' => "\xC3\x9C", 'uuml' => "\xC3\xBC", 'Uuml;' => "\xC3\x9C", 'uuml;' => "\xC3\xBC", 'weierp;' => "\xE2\x84\x98", 'Xi;' => "\xCE\x9E", 'xi;' => "\xCE\xBE", 'Yacute' => "\xC3\x9D", 'yacute' => "\xC3\xBD", 'Yacute;' => "\xC3\x9D", 'yacute;' => "\xC3\xBD", 'yen' => "\xC2\xA5", 'yen;' => "\xC2\xA5", 'yuml' => "\xC3\xBF", 'Yuml;' => "\xC5\xB8", 'yuml;' => "\xC3\xBF", 'Zeta;' => "\xCE\x96", 'zeta;' => "\xCE\xB6", 'zwj;' => "\xE2\x80\x8D", 'zwnj;' => "\xE2\x80\x8C");

				for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
				{
					$consumed = substr($this->consumed, 1);
					if (isset($entities[$consumed]))
					{
						$match = $consumed;
					}
				}

				if ($match !== null)
				{
 					$this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
					$this->position += strlen($entities[$match]) - strlen($consumed) - 1;
				}
				break;
		}
	}
}





class SimplePie_Enclosure
{
	var $bitrate;
	var $captions;
	var $categories;
	var $channels;
	var $copyright;
	var $credits;
	var $description;
	var $duration;
	var $expression;
	var $framerate;
	var $handler;
	var $hashes;
	var $height;
	var $javascript;
	var $keywords;
	var $lang;
	var $length;
	var $link;
	var $medium;
	var $player;
	var $ratings;
	var $restrictions;
	var $samplingrate;
	var $thumbnails;
	var $title;
	var $type;
	var $width;

	
	public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null)
	{
		$this->bitrate = $bitrate;
		$this->captions = $captions;
		$this->categories = $categories;
		$this->channels = $channels;
		$this->copyright = $copyright;
		$this->credits = $credits;
		$this->description = $description;
		$this->duration = $duration;
		$this->expression = $expression;
		$this->framerate = $framerate;
		$this->hashes = $hashes;
		$this->height = $height;
		$this->javascript = $javascript;
		$this->keywords = $keywords;
		$this->lang = $lang;
		$this->length = $length;
		$this->link = $link;
		$this->medium = $medium;
		$this->player = $player;
		$this->ratings = $ratings;
		$this->restrictions = $restrictions;
		$this->samplingrate = $samplingrate;
		$this->thumbnails = $thumbnails;
		$this->title = $title;
		$this->type = $type;
		$this->width = $width;

		if (class_exists('idna_convert'))
		{
			$idn = new idna_convert();
			$parsed = SimplePie_Misc::parse_url($link);
			$this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
		}
		$this->handler = $this->get_handler(); 
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_bitrate()
	{
		if ($this->bitrate !== null)
		{
			return $this->bitrate;
		}
		else
		{
			return null;
		}
	}

	public function get_caption($key = 0)
	{
		$captions = $this->get_captions();
		if (isset($captions[$key]))
		{
			return $captions[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_captions()
	{
		if ($this->captions !== null)
		{
			return $this->captions;
		}
		else
		{
			return null;
		}
	}

	public function get_category($key = 0)
	{
		$categories = $this->get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_categories()
	{
		if ($this->categories !== null)
		{
			return $this->categories;
		}
		else
		{
			return null;
		}
	}

	public function get_channels()
	{
		if ($this->channels !== null)
		{
			return $this->channels;
		}
		else
		{
			return null;
		}
	}

	public function get_copyright()
	{
		if ($this->copyright !== null)
		{
			return $this->copyright;
		}
		else
		{
			return null;
		}
	}

	public function get_credit($key = 0)
	{
		$credits = $this->get_credits();
		if (isset($credits[$key]))
		{
			return $credits[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_credits()
	{
		if ($this->credits !== null)
		{
			return $this->credits;
		}
		else
		{
			return null;
		}
	}

	public function get_description()
	{
		if ($this->description !== null)
		{
			return $this->description;
		}
		else
		{
			return null;
		}
	}

	public function get_duration($convert = false)
	{
		if ($this->duration !== null)
		{
			if ($convert)
			{
				$time = SimplePie_Misc::time_hms($this->duration);
				return $time;
			}
			else
			{
				return $this->duration;
			}
		}
		else
		{
			return null;
		}
	}

	public function get_expression()
	{
		if ($this->expression !== null)
		{
			return $this->expression;
		}
		else
		{
			return 'full';
		}
	}

	public function get_extension()
	{
		if ($this->link !== null)
		{
			$url = SimplePie_Misc::parse_url($this->link);
			if ($url['path'] !== '')
			{
				return pathinfo($url['path'], PATHINFO_EXTENSION);
			}
		}
		return null;
	}

	public function get_framerate()
	{
		if ($this->framerate !== null)
		{
			return $this->framerate;
		}
		else
		{
			return null;
		}
	}

	public function get_handler()
	{
		return $this->get_real_type(true);
	}

	public function get_hash($key = 0)
	{
		$hashes = $this->get_hashes();
		if (isset($hashes[$key]))
		{
			return $hashes[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_hashes()
	{
		if ($this->hashes !== null)
		{
			return $this->hashes;
		}
		else
		{
			return null;
		}
	}

	public function get_height()
	{
		if ($this->height !== null)
		{
			return $this->height;
		}
		else
		{
			return null;
		}
	}

	public function get_language()
	{
		if ($this->lang !== null)
		{
			return $this->lang;
		}
		else
		{
			return null;
		}
	}

	public function get_keyword($key = 0)
	{
		$keywords = $this->get_keywords();
		if (isset($keywords[$key]))
		{
			return $keywords[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_keywords()
	{
		if ($this->keywords !== null)
		{
			return $this->keywords;
		}
		else
		{
			return null;
		}
	}

	public function get_length()
	{
		if ($this->length !== null)
		{
			return $this->length;
		}
		else
		{
			return null;
		}
	}

	public function get_link()
	{
		if ($this->link !== null)
		{
			return urldecode($this->link);
		}
		else
		{
			return null;
		}
	}

	public function get_medium()
	{
		if ($this->medium !== null)
		{
			return $this->medium;
		}
		else
		{
			return null;
		}
	}

	public function get_player()
	{
		if ($this->player !== null)
		{
			return $this->player;
		}
		else
		{
			return null;
		}
	}

	public function get_rating($key = 0)
	{
		$ratings = $this->get_ratings();
		if (isset($ratings[$key]))
		{
			return $ratings[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_ratings()
	{
		if ($this->ratings !== null)
		{
			return $this->ratings;
		}
		else
		{
			return null;
		}
	}

	public function get_restriction($key = 0)
	{
		$restrictions = $this->get_restrictions();
		if (isset($restrictions[$key]))
		{
			return $restrictions[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_restrictions()
	{
		if ($this->restrictions !== null)
		{
			return $this->restrictions;
		}
		else
		{
			return null;
		}
	}

	public function get_sampling_rate()
	{
		if ($this->samplingrate !== null)
		{
			return $this->samplingrate;
		}
		else
		{
			return null;
		}
	}

	public function get_size()
	{
		$length = $this->get_length();
		if ($length !== null)
		{
			return round($length/1048576, 2);
		}
		else
		{
			return null;
		}
	}

	public function get_thumbnail($key = 0)
	{
		$thumbnails = $this->get_thumbnails();
		if (isset($thumbnails[$key]))
		{
			return $thumbnails[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_thumbnails()
	{
		if ($this->thumbnails !== null)
		{
			return $this->thumbnails;
		}
		else
		{
			return null;
		}
	}

	public function get_title()
	{
		if ($this->title !== null)
		{
			return $this->title;
		}
		else
		{
			return null;
		}
	}

	public function get_type()
	{
		if ($this->type !== null)
		{
			return $this->type;
		}
		else
		{
			return null;
		}
	}

	public function get_width()
	{
		if ($this->width !== null)
		{
			return $this->width;
		}
		else
		{
			return null;
		}
	}

	public function native_embed($options='')
	{
		return $this->embed($options, true);
	}

	
	public function embed($options = '', $native = false)
	{
		
		$audio = '';
		$video = '';
		$alt = '';
		$altclass = '';
		$loop = 'false';
		$width = 'auto';
		$height = 'auto';
		$bgcolor = '#ffffff';
		$mediaplayer = '';
		$widescreen = false;
		$handler = $this->get_handler();
		$type = $this->get_real_type();

		
		if (is_array($options))
		{
			extract($options);
		}
		else
		{
			$options = explode(',', $options);
			foreach($options as $option)
			{
				$opt = explode(':', $option, 2);
				if (isset($opt[0], $opt[1]))
				{
					$opt[0] = trim($opt[0]);
					$opt[1] = trim($opt[1]);
					switch ($opt[0])
					{
						case 'audio':
							$audio = $opt[1];
							break;

						case 'video':
							$video = $opt[1];
							break;

						case 'alt':
							$alt = $opt[1];
							break;

						case 'altclass':
							$altclass = $opt[1];
							break;

						case 'loop':
							$loop = $opt[1];
							break;

						case 'width':
							$width = $opt[1];
							break;

						case 'height':
							$height = $opt[1];
							break;

						case 'bgcolor':
							$bgcolor = $opt[1];
							break;

						case 'mediaplayer':
							$mediaplayer = $opt[1];
							break;

						case 'widescreen':
							$widescreen = $opt[1];
							break;
					}
				}
			}
		}

		$mime = explode('/', $type, 2);
		$mime = $mime[0];

		
		if ($width === 'auto')
		{
			if ($mime === 'video')
			{
				if ($height === 'auto')
				{
					$width = 480;
				}
				elseif ($widescreen)
				{
					$width = round((intval($height)/9)*16);
				}
				else
				{
					$width = round((intval($height)/3)*4);
				}
			}
			else
			{
				$width = '100%';
			}
		}

		if ($height === 'auto')
		{
			if ($mime === 'audio')
			{
				$height = 0;
			}
			elseif ($mime === 'video')
			{
				if ($width === 'auto')
				{
					if ($widescreen)
					{
						$height = 270;
					}
					else
					{
						$height = 360;
					}
				}
				elseif ($widescreen)
				{
					$height = round((intval($width)/16)*9);
				}
				else
				{
					$height = round((intval($width)/4)*3);
				}
			}
			else
			{
				$height = 376;
			}
		}
		elseif ($mime === 'audio')
		{
			$height = 0;
		}

		
		if ($mime === 'audio')
		{
			$placeholder = $audio;
		}
		elseif ($mime === 'video')
		{
			$placeholder = $video;
		}

		$embed = '';

		
		if (!$native)
		{
			static $javascript_outputted = null;
			if (!$javascript_outputted && $this->javascript)
			{
				$embed .= '<script type="text/javascript" src="?' . htmlspecialchars($this->javascript) . '"></script>';
				$javascript_outputted = true;
			}
		}

		
		if ($handler === 'odeo')
		{
			if ($native)
			{
				$embed .= '<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://adobe.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url=' . $this->get_link() . '"></embed>';
			}
			else
			{
				$embed .= '<script type="text/javascript">embed_odeo("' . $this->get_link() . '");</script>';
			}
		}

		
		elseif ($handler === 'flash')
		{
			if ($native)
			{
				$embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>";
			}
			else
			{
				$embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>";
			}
		}

		
		
		elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== ''))
		{
			$height += 20;
			if ($native)
			{
				$embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>";
			}
			else
			{
				$embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>";
			}
		}

		
		
		elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === ''))
		{
			$height += 16;
			if ($native)
			{
				if ($placeholder !== '')
				{
					$embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
				}
				else
				{
					$embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
				}
			}
			else
			{
				$embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>";
			}
		}

		
		elseif ($handler === 'wmedia')
		{
			$height += 45;
			if ($native)
			{
				$embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>";
			}
			else
			{
				$embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>";
			}
		}

		
		else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>';

		return $embed;
	}

	public function get_real_type($find_handler = false)
	{
		
		if (substr(strtolower($this->get_link()), 0, 15) === 'http://odeo.com')
		{
			return 'odeo';
		}

		
		$types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); 
		$types_fmedia = array('video/flv', 'video/x-flv','flv-application/octet-stream'); 
		$types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); 
		$types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); 
		$types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); 

		if ($this->get_type() !== null)
		{
			$type = strtolower($this->type);
		}
		else
		{
			$type = null;
		}

		
		if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3)))
		{
			switch (strtolower($this->get_extension()))
			{
				
				case 'aac':
				case 'adts':
					$type = 'audio/acc';
					break;

				case 'aif':
				case 'aifc':
				case 'aiff':
				case 'cdda':
					$type = 'audio/aiff';
					break;

				case 'bwf':
					$type = 'audio/wav';
					break;

				case 'kar':
				case 'mid':
				case 'midi':
				case 'smf':
					$type = 'audio/midi';
					break;

				case 'm4a':
					$type = 'audio/x-m4a';
					break;

				case 'mp3':
				case 'swa':
					$type = 'audio/mp3';
					break;

				case 'wav':
					$type = 'audio/wav';
					break;

				case 'wax':
					$type = 'audio/x-ms-wax';
					break;

				case 'wma':
					$type = 'audio/x-ms-wma';
					break;

				
				case '3gp':
				case '3gpp':
					$type = 'video/3gpp';
					break;

				case '3g2':
				case '3gp2':
					$type = 'video/3gpp2';
					break;

				case 'asf':
					$type = 'video/x-ms-asf';
					break;

				case 'flv':
					$type = 'video/x-flv';
					break;

				case 'm1a':
				case 'm1s':
				case 'm1v':
				case 'm15':
				case 'm75':
				case 'mp2':
				case 'mpa':
				case 'mpeg':
				case 'mpg':
				case 'mpm':
				case 'mpv':
					$type = 'video/mpeg';
					break;

				case 'm4v':
					$type = 'video/x-m4v';
					break;

				case 'mov':
				case 'qt':
					$type = 'video/quicktime';
					break;

				case 'mp4':
				case 'mpg4':
					$type = 'video/mp4';
					break;

				case 'sdv':
					$type = 'video/sd-video';
					break;

				case 'wm':
					$type = 'video/x-ms-wm';
					break;

				case 'wmv':
					$type = 'video/x-ms-wmv';
					break;

				case 'wvx':
					$type = 'video/x-ms-wvx';
					break;

				
				case 'spl':
					$type = 'application/futuresplash';
					break;

				case 'swf':
					$type = 'application/x-shockwave-flash';
					break;
			}
		}

		if ($find_handler)
		{
			if (in_array($type, $types_flash))
			{
				return 'flash';
			}
			elseif (in_array($type, $types_fmedia))
			{
				return 'fmedia';
			}
			elseif (in_array($type, $types_quicktime))
			{
				return 'quicktime';
			}
			elseif (in_array($type, $types_wmedia))
			{
				return 'wmedia';
			}
			elseif (in_array($type, $types_mp3))
			{
				return 'mp3';
			}
			else
			{
				return null;
			}
		}
		else
		{
			return $type;
		}
	}
}






class SimplePie_File
{
	var $url;
	var $useragent;
	var $success = true;
	var $headers = array();
	var $body;
	var $status_code;
	var $redirects = 0;
	var $error;
	var $method = SIMPLEPIE_FILE_SOURCE_NONE;

	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
	{
		if (class_exists('idna_convert'))
		{
			$idn = new idna_convert();
			$parsed = SimplePie_Misc::parse_url($url);
			$url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
		}
		$this->url = $url;
		$this->useragent = $useragent;
		if (preg_match('/^http(s)?:\/\//i', $url))
		{
			if ($useragent === null)
			{
				$useragent = ini_get('user_agent');
				$this->useragent = $useragent;
			}
			if (!is_array($headers))
			{
				$headers = array();
			}
			if (!$force_fsockopen && function_exists('curl_exec'))
			{
				$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
				$fp = curl_init();
				$headers2 = array();
				foreach ($headers as $key => $value)
				{
					$headers2[] = "$key: $value";
				}
				if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
				{
					curl_setopt($fp, CURLOPT_ENCODING, '');
				}
				curl_setopt($fp, CURLOPT_URL, $url);
				curl_setopt($fp, CURLOPT_HEADER, 1);
				curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
				curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
				curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
				curl_setopt($fp, CURLOPT_REFERER, $url);
				curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
				curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
				if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
				{
					curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
					curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
				}

				$this->headers = curl_exec($fp);
				if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
				{
					curl_setopt($fp, CURLOPT_ENCODING, 'none');
					$this->headers = curl_exec($fp);
				}
				if (curl_errno($fp))
				{
					$this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
					$this->success = false;
				}
				else
				{
					$info = curl_getinfo($fp);
					curl_close($fp);
					$this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
					$this->headers = array_pop($this->headers);
					$parser = new SimplePie_HTTP_Parser($this->headers);
					if ($parser->parse())
					{
						$this->headers = $parser->headers;
						$this->body = $parser->body;
						$this->status_code = $parser->status_code;
						if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
						{
							$this->redirects++;
							$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
							return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
						}
					}
				}
			}
			else
			{
				$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
				$url_parts = parse_url($url);
				if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
				{
					$url_parts['host'] = "ssl://$url_parts[host]";
					$url_parts['port'] = 443;
				}
				if (!isset($url_parts['port']))
				{
					$url_parts['port'] = 80;
				}
				$fp = @fsockopen($url_parts['host'], $url_parts['port'], $errno, $errstr, $timeout);
				if (!$fp)
				{
					$this->error = 'fsockopen error: ' . $errstr;
					$this->success = false;
				}
				else
				{
					stream_set_timeout($fp, $timeout);
					if (isset($url_parts['path']))
					{
						if (isset($url_parts['query']))
						{
							$get = "$url_parts[path]?$url_parts[query]";
						}
						else
						{
							$get = $url_parts['path'];
						}
					}
					else
					{
						$get = '/';
					}
					$out = "GET $get HTTP/1.1\r\n";
					$out .= "Host: $url_parts[host]\r\n";
					$out .= "User-Agent: $useragent\r\n";
					if (extension_loaded('zlib'))
					{
						$out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
					}

					if (isset($url_parts['user']) && isset($url_parts['pass']))
					{
						$out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
					}
					foreach ($headers as $key => $value)
					{
						$out .= "$key: $value\r\n";
					}
					$out .= "Connection: Close\r\n\r\n";
					fwrite($fp, $out);

					$info = stream_get_meta_data($fp);

					$this->headers = '';
					while (!$info['eof'] && !$info['timed_out'])
					{
						$this->headers .= fread($fp, 1160);
						$info = stream_get_meta_data($fp);
					}
					if (!$info['timed_out'])
					{
						$parser = new SimplePie_HTTP_Parser($this->headers);
						if ($parser->parse())
						{
							$this->headers = $parser->headers;
							$this->body = $parser->body;
							$this->status_code = $parser->status_code;
							if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
							{
								$this->redirects++;
								$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
								return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
							}
							if (isset($this->headers['content-encoding']))
							{
								
								switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20")))
								{
									case 'gzip':
									case 'x-gzip':
										$decoder = new SimplePie_gzdecode($this->body);
										if (!$decoder->parse())
										{
											$this->error = 'Unable to decode HTTP "gzip" stream';
											$this->success = false;
										}
										else
										{
											$this->body = $decoder->data;
										}
										break;

									case 'deflate':
										if (($body = gzuncompress($this->body)) === false)
										{
											if (($body = gzinflate($this->body)) === false)
											{
												$this->error = 'Unable to decode HTTP "deflate" stream';
												$this->success = false;
											}
										}
										$this->body = $body;
										break;

									default:
										$this->error = 'Unknown content coding';
										$this->success = false;
								}
							}
						}
					}
					else
					{
						$this->error = 'fsocket timed out';
						$this->success = false;
					}
					fclose($fp);
				}
			}
		}
		else
		{
			$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
			if (!$this->body = file_get_contents($url))
			{
				$this->error = 'file_get_contents could not read the file';
				$this->success = false;
			}
		}
	}
}





class SimplePie_gzdecode
{
	
	var $compressed_data;

	
	var $compressed_size;

	
	var $min_compressed_size = 18;

	
	var $position = 0;

	
	var $flags;

	
	var $data;

	
	var $MTIME;

	
	var $XFL;

	
	var $OS;

	
	var $SI1;

	
	var $SI2;

	
	var $extra_field;

	
	var $filename;

	
	var $comment;

	
	public function __set($name, $value)
	{
		trigger_error("Cannot write property $name", E_USER_ERROR);
	}

	
	public function __construct($data)
	{
		$this->compressed_data = $data;
		$this->compressed_size = strlen($data);
	}

	
	public function parse()
	{
		if ($this->compressed_size >= $this->min_compressed_size)
		{
			
			if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08")
			{
				return false;
			}

			
			$this->flags = ord($this->compressed_data[3]);

			
			if ($this->flags > 0x1F)
			{
				return false;
			}

			
			$this->position += 4;

			
			$mtime = substr($this->compressed_data, $this->position, 4);
			
			if (current(unpack('S', "\x00\x01")) === 1)
			{
				$mtime = strrev($mtime);
			}
			$this->MTIME = current(unpack('l', $mtime));
			$this->position += 4;

			
			$this->XFL = ord($this->compressed_data[$this->position++]);

			
			$this->OS = ord($this->compressed_data[$this->position++]);

			
			if ($this->flags & 4)
			{
				
				$this->SI1 = $this->compressed_data[$this->position++];
				$this->SI2 = $this->compressed_data[$this->position++];

				
				if ($this->SI2 === "\x00")
				{
					return false;
				}

				
				$len = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
				$position += 2;

				
				$this->min_compressed_size += $len + 4;
				if ($this->compressed_size >= $this->min_compressed_size)
				{
					
					$this->extra_field = substr($this->compressed_data, $this->position, $len);
					$this->position += $len;
				}
				else
				{
					return false;
				}
			}

			
			if ($this->flags & 8)
			{
				
				$len = strcspn($this->compressed_data, "\x00", $this->position);

				
				$this->min_compressed_size += $len + 1;
				if ($this->compressed_size >= $this->min_compressed_size)
				{
					
					$this->filename = substr($this->compressed_data, $this->position, $len);
					$this->position += $len + 1;
				}
				else
				{
					return false;
				}
			}

			
			if ($this->flags & 16)
			{
				
				$len = strcspn($this->compressed_data, "\x00", $this->position);

				
				$this->min_compressed_size += $len + 1;
				if ($this->compressed_size >= $this->min_compressed_size)
				{
					
					$this->comment = substr($this->compressed_data, $this->position, $len);
					$this->position += $len + 1;
				}
				else
				{
					return false;
				}
			}

			
			if ($this->flags & 2)
			{
				
				$this->min_compressed_size += $len + 2;
				if ($this->compressed_size >= $this->min_compressed_size)
				{
					
					$crc = current(unpack('v', substr($this->compressed_data, $this->position, 2)));

					
					if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc)
					{
						$this->position += 2;
					}
					else
					{
						return false;
					}
				}
				else
				{
					return false;
				}
			}

			
			if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false)
			{
				return false;
			}
			else
			{
				$this->position = $this->compressed_size - 8;
			}

			
			$crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
			$this->position += 4;
			

			
			$isize = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
			$this->position += 4;
			if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize))
			{
				return false;
			}

			
			return true;
		}
		else
		{
			return false;
		}
	}
}





class SimplePie_HTTP_Parser
{
	
	public $http_version = 0.0;

	
	public $status_code = 0;

	
	public $reason = '';

	
	public $headers = array();

	
	public $body = '';

	
	protected $state = 'http_version';

	
	protected $data = '';

	
	protected $data_length = 0;

	
	protected $position = 0;

	
	protected $name = '';

	
	protected $value = '';

	
	public function __construct($data)
	{
		$this->data = $data;
		$this->data_length = strlen($this->data);
	}

	
	public function parse()
	{
		while ($this->state && $this->state !== 'emit' && $this->has_data())
		{
			$state = $this->state;
			$this->$state();
		}
		$this->data = '';
		if ($this->state === 'emit' || $this->state === 'body')
		{
			return true;
		}
		else
		{
			$this->http_version = '';
			$this->status_code = '';
			$this->reason = '';
			$this->headers = array();
			$this->body = '';
			return false;
		}
	}

	
	protected function has_data()
	{
		return (bool) ($this->position < $this->data_length);
	}

	
	protected function is_linear_whitespace()
	{
		return (bool) ($this->data[$this->position] === "\x09"
			|| $this->data[$this->position] === "\x20"
			|| ($this->data[$this->position] === "\x0A"
				&& isset($this->data[$this->position + 1])
				&& ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
	}

	
	protected function http_version()
	{
		if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/')
		{
			$len = strspn($this->data, '0123456789.', 5);
			$this->http_version = substr($this->data, 5, $len);
			$this->position += 5 + $len;
			if (substr_count($this->http_version, '.') <= 1)
			{
				$this->http_version = (float) $this->http_version;
				$this->position += strspn($this->data, "\x09\x20", $this->position);
				$this->state = 'status';
			}
			else
			{
				$this->state = false;
			}
		}
		else
		{
			$this->state = false;
		}
	}

	
	protected function status()
	{
		if ($len = strspn($this->data, '0123456789', $this->position))
		{
			$this->status_code = (int) substr($this->data, $this->position, $len);
			$this->position += $len;
			$this->state = 'reason';
		}
		else
		{
			$this->state = false;
		}
	}

	
	protected function reason()
	{
		$len = strcspn($this->data, "\x0A", $this->position);
		$this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20");
		$this->position += $len + 1;
		$this->state = 'new_line';
	}

	
	protected function new_line()
	{
		$this->value = trim($this->value, "\x0D\x20");
		if ($this->name !== '' && $this->value !== '')
		{
			$this->name = strtolower($this->name);
			
			if (isset($this->headers[$this->name]) && $this->name !== 'content-type')
			{
				$this->headers[$this->name] .= ', ' . $this->value;
			}
			else
			{
				$this->headers[$this->name] = $this->value;
			}
		}
		$this->name = '';
		$this->value = '';
		if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A")
		{
			$this->position += 2;
			$this->state = 'body';
		}
		elseif ($this->data[$this->position] === "\x0A")
		{
			$this->position++;
			$this->state = 'body';
		}
		else
		{
			$this->state = 'name';
		}
	}

	
	protected function name()
	{
		$len = strcspn($this->data, "\x0A:", $this->position);
		if (isset($this->data[$this->position + $len]))
		{
			if ($this->data[$this->position + $len] === "\x0A")
			{
				$this->position += $len;
				$this->state = 'new_line';
			}
			else
			{
				$this->name = substr($this->data, $this->position, $len);
				$this->position += $len + 1;
				$this->state = 'value';
			}
		}
		else
		{
			$this->state = false;
		}
	}

	
	protected function linear_whitespace()
	{
		do
		{
			if (substr($this->data, $this->position, 2) === "\x0D\x0A")
			{
				$this->position += 2;
			}
			elseif ($this->data[$this->position] === "\x0A")
			{
				$this->position++;
			}
			$this->position += strspn($this->data, "\x09\x20", $this->position);
		} while ($this->has_data() && $this->is_linear_whitespace());
		$this->value .= "\x20";
	}

	
	protected function value()
	{
		if ($this->is_linear_whitespace())
		{
			$this->linear_whitespace();
		}
		else
		{
			switch ($this->data[$this->position])
			{
				case '"':
					
					
					if (strtolower($this->name) === 'etag')
					{
						$this->value .= '"';
						$this->position++;
						$this->state = 'value_char';
						break;
					}
					$this->position++;
					$this->state = 'quote';
					break;

				case "\x0A":
					$this->position++;
					$this->state = 'new_line';
					break;

				default:
					$this->state = 'value_char';
					break;
			}
		}
	}

	
	protected function value_char()
	{
		$len = strcspn($this->data, "\x09\x20\x0A\"", $this->position);
		$this->value .= substr($this->data, $this->position, $len);
		$this->position += $len;
		$this->state = 'value';
	}

	
	protected function quote()
	{
		if ($this->is_linear_whitespace())
		{
			$this->linear_whitespace();
		}
		else
		{
			switch ($this->data[$this->position])
			{
				case '"':
					$this->position++;
					$this->state = 'value';
					break;

				case "\x0A":
					$this->position++;
					$this->state = 'new_line';
					break;

				case '\\':
					$this->position++;
					$this->state = 'quote_escaped';
					break;

				default:
					$this->state = 'quote_char';
					break;
			}
		}
	}

	
	protected function quote_char()
	{
		$len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position);
		$this->value .= substr($this->data, $this->position, $len);
		$this->position += $len;
		$this->state = 'value';
	}

	
	protected function quote_escaped()
	{
		$this->value .= $this->data[$this->position];
		$this->position++;
		$this->state = 'quote';
	}

	
	protected function body()
	{
		$this->body = substr($this->data, $this->position);
		if (!empty($this->headers['transfer-encoding']))
		{
			unset($this->headers['transfer-encoding']);
			$this->state = 'chunked';
		}
		else
		{
			$this->state = 'emit';
		}
	}

	
	protected function chunked()
	{
		if (!preg_match('/^[0-9a-f]+(\s|\r|\n)+/mi', trim($this->body)))
		{
			$this->state = 'emit';
			return;
		}

		$decoded = '';
		$encoded = $this->body;

		while (true)
		{
			$is_chunked = (bool) preg_match( '/^([0-9a-f]+)(\s|\r|\n)+/mi', $encoded, $matches );
			if (!$is_chunked)
			{
				
				$this->state = 'emit';
				return;
			}

			$length = hexdec($matches[1]);
			$chunk_length = strlen($matches[0]);
			$decoded .= $part = substr($encoded, $chunk_length, $length);
			$encoded = ltrim(substr($encoded, $chunk_length + $length), "\r\n");

			if (trim($encoded) === '0')
			{
				$this->state = 'emit';
				$this->body = $decoded;
				return;
			}
		}
	}
}





class SimplePie_IRI
{
	
	var $scheme;

	
	var $userinfo;

	
	var $host;

	
	var $port;

	
	var $path;

	
	var $query;

	
	var $fragment;

	
	var $valid = array();

	
	public function __toString()
	{
		return $this->get_iri();
	}

	
	public function __construct($iri)
	{
		$iri = (string) $iri;
		if ($iri !== '')
		{
			$parsed = $this->parse_iri($iri);
			$this->set_scheme($parsed['scheme']);
			$this->set_authority($parsed['authority']);
			$this->set_path($parsed['path']);
			$this->set_query($parsed['query']);
			$this->set_fragment($parsed['fragment']);
		}
	}

	
	public static function absolutize($base, $relative)
	{
		$relative = (string) $relative;
		if ($relative !== '')
		{
			$relative = new SimplePie_IRI($relative);
			if ($relative->get_scheme() !== null)
			{
				$target = $relative;
			}
			elseif ($base->get_iri() !== null)
			{
				if ($relative->get_authority() !== null)
				{
					$target = $relative;
					$target->set_scheme($base->get_scheme());
				}
				else
				{
					$target = new SimplePie_IRI('');
					$target->set_scheme($base->get_scheme());
					$target->set_userinfo($base->get_userinfo());
					$target->set_host($base->get_host());
					$target->set_port($base->get_port());
					if ($relative->get_path() !== null)
					{
						if (strpos($relative->get_path(), '/') === 0)
						{
							$target->set_path($relative->get_path());
						}
						elseif (($base->get_userinfo() !== null || $base->get_host() !== null || $base->get_port() !== null) && $base->get_path() === null)
						{
							$target->set_path('/' . $relative->get_path());
						}
						elseif (($last_segment = strrpos($base->get_path(), '/')) !== false)
						{
							$target->set_path(substr($base->get_path(), 0, $last_segment + 1) . $relative->get_path());
						}
						else
						{
							$target->set_path($relative->get_path());
						}
						$target->set_query($relative->get_query());
					}
					else
					{
						$target->set_path($base->get_path());
						if ($relative->get_query() !== null)
						{
							$target->set_query($relative->get_query());
						}
						elseif ($base->get_query() !== null)
						{
							$target->set_query($base->get_query());
						}
					}
				}
				$target->set_fragment($relative->get_fragment());
			}
			else
			{
				
				$target = $relative;
			}
		}
		else
		{
			$target = $base;
		}
		return $target;
	}

	
	public function parse_iri($iri)
	{
		preg_match('/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/', $iri, $match);
		for ($i = count($match); $i <= 9; $i++)
		{
			$match[$i] = '';
		}
		return array('scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5], 'query' => $match[7], 'fragment' => $match[9]);
	}

	
	public function remove_dot_segments($input)
	{
		$output = '';
		while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
		{
			
			if (strpos($input, '../') === 0)
			{
				$input = substr($input, 3);
			}
			elseif (strpos($input, './') === 0)
			{
				$input = substr($input, 2);
			}
			
			elseif (strpos($input, '/./') === 0)
			{
				$input = substr_replace($input, '/', 0, 3);
			}
			elseif ($input === '/.')
			{
				$input = '/';
			}
			
			elseif (strpos($input, '/../') === 0)
			{
				$input = substr_replace($input, '/', 0, 4);
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			elseif ($input === '/..')
			{
				$input = '/';
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			
			elseif ($input === '.' || $input === '..')
			{
				$input = '';
			}
			
			elseif (($pos = strpos($input, '/', 1)) !== false)
			{
				$output .= substr($input, 0, $pos);
				$input = substr_replace($input, '', 0, $pos);
			}
			else
			{
				$output .= $input;
				$input = '';
			}
		}
		return $output . $input;
	}

	
	public function replace_invalid_with_pct_encoding($string, $valid_chars, $case = SIMPLEPIE_SAME_CASE)
	{
		
		if ($case & SIMPLEPIE_LOWERCASE)
		{
			$string = strtolower($string);
		}
		elseif ($case & SIMPLEPIE_UPPERCASE)
		{
			$string = strtoupper($string);
		}

		
		$position = 0;
		$strlen = strlen($string);

		
		while (($position += strspn($string, $valid_chars, $position)) < $strlen)
		{
			
			if ($string[$position] === '%')
			{
				
				if ($position + 2 < $strlen && strspn($string, '0123456789ABCDEFabcdef', $position + 1, 2) === 2)
				{
					
					$chr = chr(hexdec(substr($string, $position + 1, 2)));

					
					if (strpos($valid_chars, $chr) !== false)
					{
						if ($case & SIMPLEPIE_LOWERCASE)
						{
							$chr = strtolower($chr);
						}
						elseif ($case & SIMPLEPIE_UPPERCASE)
						{
							$chr = strtoupper($chr);
						}
						$string = substr_replace($string, $chr, $position, 3);
						$strlen -= 2;
						$position++;
					}

					
					else
					{
						$string = substr_replace($string, strtoupper(substr($string, $position + 1, 2)), $position + 1, 2);
						$position += 3;
					}
				}
				
				else
				{
					$string = substr_replace($string, '%25', $position, 1);
					$strlen += 2;
					$position += 3;
				}
			}
			
			else
			{
				$replacement = sprintf("%%%02X", ord($string[$position]));
				$string = str_replace($string[$position], $replacement, $string);
				$strlen = strlen($string);
			}
		}
		return $string;
	}

	
	public function is_valid()
	{
		return array_sum($this->valid) === count($this->valid);
	}

	
	public function set_scheme($scheme)
	{
		if ($scheme === null || $scheme === '')
		{
			$this->scheme = null;
		}
		else
		{
			$len = strlen($scheme);
			switch (true)
			{
				case $len > 1:
					if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-.', 1))
					{
						$this->scheme = null;
						$this->valid[__FUNCTION__] = false;
						return false;
					}

				case $len > 0:
					if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', 0, 1))
					{
						$this->scheme = null;
						$this->valid[__FUNCTION__] = false;
						return false;
					}
			}
			$this->scheme = strtolower($scheme);
		}
		$this->valid[__FUNCTION__] = true;
		return true;
	}

	
	public function set_authority($authority)
	{
		if (($userinfo_end = strrpos($authority, '@')) !== false)
		{
			$userinfo = substr($authority, 0, $userinfo_end);
			$authority = substr($authority, $userinfo_end + 1);
		}
		else
		{
			$userinfo = null;
		}

		if (($port_start = strpos($authority, ':')) !== false)
		{
			$port = substr($authority, $port_start + 1);
			$authority = substr($authority, 0, $port_start);
		}
		else
		{
			$port = null;
		}

		return $this->set_userinfo($userinfo) && $this->set_host($authority) && $this->set_port($port);
	}

	
	public function set_userinfo($userinfo)
	{
		if ($userinfo === null || $userinfo === '')
		{
			$this->userinfo = null;
		}
		else
		{
			$this->userinfo = $this->replace_invalid_with_pct_encoding($userinfo, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=:');
		}
		$this->valid[__FUNCTION__] = true;
		return true;
	}

	
	public function set_host($host)
	{
		if ($host === null || $host === '')
		{
			$this->host = null;
			$this->valid[__FUNCTION__] = true;
			return true;
		}
		elseif ($host[0] === '[' && substr($host, -1) === ']')
		{
			if (SimplePie_Net_IPv6::checkIPv6(substr($host, 1, -1)))
			{
				$this->host = $host;
				$this->valid[__FUNCTION__] = true;
				return true;
			}
			else
			{
				$this->host = null;
				$this->valid[__FUNCTION__] = false;
				return false;
			}
		}
		else
		{
			$this->host = $this->replace_invalid_with_pct_encoding($host, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=', SIMPLEPIE_LOWERCASE);
			$this->valid[__FUNCTION__] = true;
			return true;
		}
	}

	
	public function set_port($port)
	{
		if ($port === null || $port === '')
		{
			$this->port = null;
			$this->valid[__FUNCTION__] = true;
			return true;
		}
		elseif (strspn($port, '0123456789') === strlen($port))
		{
			$this->port = (int) $port;
			$this->valid[__FUNCTION__] = true;
			return true;
		}
		else
		{
			$this->port = null;
			$this->valid[__FUNCTION__] = false;
			return false;
		}
	}

	
	public function set_path($path)
	{
		if ($path === null || $path === '')
		{
			$this->path = null;
			$this->valid[__FUNCTION__] = true;
			return true;
		}
		elseif (substr($path, 0, 2) === '//' && $this->userinfo === null && $this->host === null && $this->port === null)
		{
			$this->path = null;
			$this->valid[__FUNCTION__] = false;
			return false;
		}
		else
		{
			$this->path = $this->replace_invalid_with_pct_encoding($path, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=@/');
			if ($this->scheme !== null)
			{
				$this->path = $this->remove_dot_segments($this->path);
			}
			$this->valid[__FUNCTION__] = true;
			return true;
		}
	}

	
	public function set_query($query)
	{
		if ($query === null || $query === '')
		{
			$this->query = null;
		}
		else
		{
			$this->query = $this->replace_invalid_with_pct_encoding($query, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$\'()*+,;:@/?&=');
		}
		$this->valid[__FUNCTION__] = true;
		return true;
	}

	
	public function set_fragment($fragment)
	{
		if ($fragment === null || $fragment === '')
		{
			$this->fragment = null;
		}
		else
		{
			$this->fragment = $this->replace_invalid_with_pct_encoding($fragment, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=:@/?');
		}
		$this->valid[__FUNCTION__] = true;
		return true;
	}

	
	public function get_iri()
	{
		$iri = '';
		if ($this->scheme !== null)
		{
			$iri .= $this->scheme . ':';
		}
		if (($authority = $this->get_authority()) !== null)
		{
			$iri .= '//' . $authority;
		}
		if ($this->path !== null)
		{
			$iri .= $this->path;
		}
		if ($this->query !== null)
		{
			$iri .= '?' . $this->query;
		}
		if ($this->fragment !== null)
		{
			$iri .= '#' . $this->fragment;
		}

		if ($iri !== '')
		{
			return $iri;
		}
		else
		{
			return null;
		}
	}

	
	public function get_scheme()
	{
		return $this->scheme;
	}

	
	public function get_authority()
	{
		$authority = '';
		if ($this->userinfo !== null)
		{
			$authority .= $this->userinfo . '@';
		}
		if ($this->host !== null)
		{
			$authority .= $this->host;
		}
		if ($this->port !== null)
		{
			$authority .= ':' . $this->port;
		}

		if ($authority !== '')
		{
			return $authority;
		}
		else
		{
			return null;
		}
	}

	
	public function get_userinfo()
	{
		return $this->userinfo;
	}

	
	public function get_host()
	{
		return $this->host;
	}

	
	public function get_port()
	{
		return $this->port;
	}

	
	public function get_path()
	{
		return $this->path;
	}

	
	public function get_query()
	{
		return $this->query;
	}

	
	public function get_fragment()
	{
		return $this->fragment;
	}
}




class SimplePie_Item
{
	var $feed;
	var $data = array();

	public function __construct($feed, $data)
	{
		$this->feed = $feed;
		$this->data = $data;
	}

	public function __toString()
	{
		return md5(serialize($this->data));
	}

	
	public function __destruct()
	{
		if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
		{
			unset($this->feed);
		}
	}

	public function get_item_tags($namespace, $tag)
	{
		if (isset($this->data['child'][$namespace][$tag]))
		{
			return $this->data['child'][$namespace][$tag];
		}
		else
		{
			return null;
		}
	}

	public function get_base($element = array())
	{
		return $this->feed->get_base($element);
	}

	public function sanitize($data, $type, $base = '')
	{
		return $this->feed->sanitize($data, $type, $base);
	}

	public function get_feed()
	{
		return $this->feed;
	}

	public function get_id($hash = false)
	{
		if (!$hash)
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif (($return = $this->get_permalink()) !== null)
			{
				return $return;
			}
			elseif (($return = $this->get_title()) !== null)
			{
				return $return;
			}
		}
		if ($this->get_permalink() !== null || $this->get_title() !== null)
		{
			return md5($this->get_permalink() . $this->get_title());
		}
		else
		{
			return md5(serialize($this->data));
		}
	}

	public function get_title()
	{
		if (!isset($this->data['title']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$this->data['title'] = null;
			}
		}
		return $this->data['title'];
	}

	public function get_description($description_only = false)
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
		}

		elseif (!$description_only)
		{
			return $this->get_content(true);
		}
		else
		{
			return null;
		}
	}

	public function get_content($content_only = false)
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_content_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif (!$content_only)
		{
			return $this->get_description(true);
		}
		else
		{
			return null;
		}
	}

	public function get_category($key = 0)
	{
		$categories = $this->get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_categories()
	{
		$categories = array();

		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
		{
			$term = null;
			$scheme = null;
			$label = null;
			if (isset($category['attribs']['']['term']))
			{
				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['scheme']))
			{
				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['label']))
			{
				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			$categories[] = new $this->feed->category_class($term, $scheme, $label);
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
		{
			
			
			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			if (isset($category['attribs']['']['domain']))
			{
				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$scheme = null;
			}
			$categories[] = new $this->feed->category_class($term, $scheme, null);
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
		{
			$categories[] = new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
		{
			$categories[] = new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}

		if (!empty($categories))
		{
			return SimplePie_Misc::array_unique($categories);
		}
		else
		{
			return null;
		}
	}

	public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_contributor($key = 0)
	{
		$contributors = $this->get_contributors();
		if (isset($contributors[$key]))
		{
			return $contributors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_contributors()
	{
		$contributors = array();
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$contributors[] = new $this->feed->author_class($name, $uri, $email);
			}
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$contributors[] = new $this->feed->author_class($name, $url, $email);
			}
		}

		if (!empty($contributors))
		{
			return SimplePie_Misc::array_unique($contributors);
		}
		else
		{
			return null;
		}
	}

	public function get_authors()
	{
		$authors = array();
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$authors[] = new $this->feed->author_class($name, $uri, $email);
			}
		}
		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$authors[] = new $this->feed->author_class($name, $url, $email);
			}
		}
		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author'))
		{
			$authors[] = new $this->feed->author_class(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
		{
			$authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
		{
			$authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
		{
			$authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}

		if (!empty($authors))
		{
			return SimplePie_Misc::array_unique($authors);
		}
		elseif (($source = $this->get_source()) && ($authors = $source->get_authors()))
		{
			return $authors;
		}
		elseif ($authors = $this->feed->get_authors())
		{
			return $authors;
		}
		else
		{
			return null;
		}
	}

	public function get_copyright()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_date($date_format = 'j F Y, g:i a')
	{
		if (!isset($this->data['date']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}

			if (!empty($this->data['date']['raw']))
			{
				$parser = SimplePie_Parse_Date::get();
				$this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']);
			}
			else
			{
				$this->data['date'] = null;
			}
		}
		if ($this->data['date'])
		{
			$date_format = (string) $date_format;
			switch ($date_format)
			{
				case '':
					return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);

				case 'U':
					return $this->data['date']['parsed'];

				default:
					return date($date_format, $this->data['date']['parsed']);
			}
		}
		else
		{
			return null;
		}
	}

	public function get_local_date($date_format = '%c')
	{
		if (!$date_format)
		{
			return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (($date = $this->get_date('U')) !== null && $date !== false)
		{
			return strftime($date_format, $date);
		}
		else
		{
			return null;
		}
	}

	public function get_permalink()
	{
		$link = $this->get_link();
		$enclosure = $this->get_enclosure(0);
		if ($link !== null)
		{
			return $link;
		}
		elseif ($enclosure !== null)
		{
			return $enclosure->get_link();
		}
		else
		{
			return null;
		}
	}

	public function get_link($key = 0, $rel = 'alternate')
	{
		$links = $this->get_links($rel);
		if ($links[$key] !== null)
		{
			return $links[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_links($rel = 'alternate')
	{
		if (!isset($this->data['links']))
		{
			$this->data['links'] = array();
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']))
				{
					$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
					$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

				}
			}
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']))
				{
					$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
					$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
				}
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
			{
				if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true')
				{
					$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
				}
			}

			$keys = array_keys($this->data['links']);
			foreach ($keys as $key)
			{
				if (SimplePie_Misc::is_isegment_nz_nc($key))
				{
					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
					}
					else
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
					}
				}
				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
				{
					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
				}
				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
			}
		}
		if (isset($this->data['links'][$rel]))
		{
			return $this->data['links'][$rel];
		}
		else
		{
			return null;
		}
	}

	
	public function get_enclosure($key = 0, $prefer = null)
	{
		$enclosures = $this->get_enclosures();
		if (isset($enclosures[$key]))
		{
			return $enclosures[$key];
		}
		else
		{
			return null;
		}
	}

	
	public function get_enclosures()
	{
		if (!isset($this->data['enclosures']))
		{
			$this->data['enclosures'] = array();

			
			$captions_parent = null;
			$categories_parent = null;
			$copyrights_parent = null;
			$credits_parent = null;
			$description_parent = null;
			$duration_parent = null;
			$hashes_parent = null;
			$keywords_parent = null;
			$player_parent = null;
			$ratings_parent = null;
			$restrictions_parent = null;
			$thumbnails_parent = null;
			$title_parent = null;

			
			$parent = $this->get_feed();

			
			if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
			{
				foreach ($captions as $caption)
				{
					$caption_type = null;
					$caption_lang = null;
					$caption_startTime = null;
					$caption_endTime = null;
					$caption_text = null;
					if (isset($caption['attribs']['']['type']))
					{
						$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['lang']))
					{
						$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['start']))
					{
						$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['end']))
					{
						$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['data']))
					{
						$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
				}
			}
			elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
			{
				foreach ($captions as $caption)
				{
					$caption_type = null;
					$caption_lang = null;
					$caption_startTime = null;
					$caption_endTime = null;
					$caption_text = null;
					if (isset($caption['attribs']['']['type']))
					{
						$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['lang']))
					{
						$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['start']))
					{
						$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['end']))
					{
						$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['data']))
					{
						$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
				}
			}
			if (is_array($captions_parent))
			{
				$captions_parent = array_values(SimplePie_Misc::array_unique($captions_parent));
			}

			
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
			{
				$term = null;
				$scheme = null;
				$label = null;
				if (isset($category['data']))
				{
					$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($category['attribs']['']['scheme']))
				{
					$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				else
				{
					$scheme = 'http://search.yahoo.com/mrss/category_schema';
				}
				if (isset($category['attribs']['']['label']))
				{
					$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
			}
			foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
			{
				$term = null;
				$scheme = null;
				$label = null;
				if (isset($category['data']))
				{
					$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($category['attribs']['']['scheme']))
				{
					$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				else
				{
					$scheme = 'http://search.yahoo.com/mrss/category_schema';
				}
				if (isset($category['attribs']['']['label']))
				{
					$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
			}
			foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category)
			{
				$term = null;
				$scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd';
				$label = null;
				if (isset($category['attribs']['']['text']))
				{
					$label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$categories_parent[] = new $this->feed->category_class($term, $scheme, $label);

				if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category']))
				{
					foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory)
					{
						if (isset($subcategory['attribs']['']['text']))
						{
							$label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						$categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
					}
				}
			}
			if (is_array($categories_parent))
			{
				$categories_parent = array_values(SimplePie_Misc::array_unique($categories_parent));
			}

			
			if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
			{
				$copyright_url = null;
				$copyright_label = null;
				if (isset($copyright[0]['attribs']['']['url']))
				{
					$copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($copyright[0]['data']))
				{
					$copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$copyrights_parent = new $this->feed->copyright_class($copyright_url, $copyright_label);
			}
			elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
			{
				$copyright_url = null;
				$copyright_label = null;
				if (isset($copyright[0]['attribs']['']['url']))
				{
					$copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($copyright[0]['data']))
				{
					$copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$copyrights_parent = new $this->feed->copyright_class($copyright_url, $copyright_label);
			}

			
			if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
			{
				foreach ($credits as $credit)
				{
					$credit_role = null;
					$credit_scheme = null;
					$credit_name = null;
					if (isset($credit['attribs']['']['role']))
					{
						$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($credit['attribs']['']['scheme']))
					{
						$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$credit_scheme = 'urn:ebu';
					}
					if (isset($credit['data']))
					{
						$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$credits_parent[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
				}
			}
			elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
			{
				foreach ($credits as $credit)
				{
					$credit_role = null;
					$credit_scheme = null;
					$credit_name = null;
					if (isset($credit['attribs']['']['role']))
					{
						$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($credit['attribs']['']['scheme']))
					{
						$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$credit_scheme = 'urn:ebu';
					}
					if (isset($credit['data']))
					{
						$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$credits_parent[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
				}
			}
			if (is_array($credits_parent))
			{
				$credits_parent = array_values(SimplePie_Misc::array_unique($credits_parent));
			}

			
			if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
			{
				if (isset($description_parent[0]['data']))
				{
					$description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}
			elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
			{
				if (isset($description_parent[0]['data']))
				{
					$description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}

			
			if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration'))
			{
				$seconds = null;
				$minutes = null;
				$hours = null;
				if (isset($duration_parent[0]['data']))
				{
					$temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					if (sizeof($temp) > 0)
					{
						$seconds = (int) array_pop($temp);
					}
					if (sizeof($temp) > 0)
					{
						$minutes = (int) array_pop($temp);
						$seconds += $minutes * 60;
					}
					if (sizeof($temp) > 0)
					{
						$hours = (int) array_pop($temp);
						$seconds += $hours * 3600;
					}
					unset($temp);
					$duration_parent = $seconds;
				}
			}

			
			if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
			{
				foreach ($hashes_iterator as $hash)
				{
					$value = null;
					$algo = null;
					if (isset($hash['data']))
					{
						$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($hash['attribs']['']['algo']))
					{
						$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$algo = 'md5';
					}
					$hashes_parent[] = $algo.':'.$value;
				}
			}
			elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
			{
				foreach ($hashes_iterator as $hash)
				{
					$value = null;
					$algo = null;
					if (isset($hash['data']))
					{
						$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($hash['attribs']['']['algo']))
					{
						$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$algo = 'md5';
					}
					$hashes_parent[] = $algo.':'.$value;
				}
			}
			if (is_array($hashes_parent))
			{
				$hashes_parent = array_values(SimplePie_Misc::array_unique($hashes_parent));
			}

			
			if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			if (is_array($keywords_parent))
			{
				$keywords_parent = array_values(SimplePie_Misc::array_unique($keywords_parent));
			}

			
			if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
			{
				if (isset($player_parent[0]['attribs']['']['url']))
				{
					$player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
				}
			}
			elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
			{
				if (isset($player_parent[0]['attribs']['']['url']))
				{
					$player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
				}
			}

			
			if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = null;
					$rating_value = null;
					if (isset($rating['attribs']['']['scheme']))
					{
						$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$rating_scheme = 'urn:simple';
					}
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
				}
			}
			elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = 'urn:itunes';
					$rating_value = null;
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
				}
			}
			elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = null;
					$rating_value = null;
					if (isset($rating['attribs']['']['scheme']))
					{
						$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$rating_scheme = 'urn:simple';
					}
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
				}
			}
			elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = 'urn:itunes';
					$rating_value = null;
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value);
				}
			}
			if (is_array($ratings_parent))
			{
				$ratings_parent = array_values(SimplePie_Misc::array_unique($ratings_parent));
			}

			
			if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = null;
					$restriction_type = null;
					$restriction_value = null;
					if (isset($restriction['attribs']['']['relationship']))
					{
						$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['attribs']['']['type']))
					{
						$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['data']))
					{
						$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
				}
			}
			elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = 'allow';
					$restriction_type = null;
					$restriction_value = 'itunes';
					if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
					{
						$restriction_relationship = 'deny';
					}
					$restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
				}
			}
			elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = null;
					$restriction_type = null;
					$restriction_value = null;
					if (isset($restriction['attribs']['']['relationship']))
					{
						$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['attribs']['']['type']))
					{
						$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['data']))
					{
						$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
				}
			}
			elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = 'allow';
					$restriction_type = null;
					$restriction_value = 'itunes';
					if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
					{
						$restriction_relationship = 'deny';
					}
					$restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
				}
			}
			if (is_array($restrictions_parent))
			{
				$restrictions_parent = array_values(SimplePie_Misc::array_unique($restrictions_parent));
			}

			
			if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
			{
				foreach ($thumbnails as $thumbnail)
				{
					if (isset($thumbnail['attribs']['']['url']))
					{
						$thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
					}
				}
			}
			elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
			{
				foreach ($thumbnails as $thumbnail)
				{
					if (isset($thumbnail['attribs']['']['url']))
					{
						$thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
					}
				}
			}

			
			if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
			{
				if (isset($title_parent[0]['data']))
				{
					$title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}
			elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
			{
				if (isset($title_parent[0]['data']))
				{
					$title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}

			
			unset($parent);

			
			$bitrate = null;
			$channels = null;
			$duration = null;
			$expression = null;
			$framerate = null;
			$height = null;
			$javascript = null;
			$lang = null;
			$length = null;
			$medium = null;
			$samplingrate = null;
			$type = null;
			$url = null;
			$width = null;

			
			$captions = null;
			$categories = null;
			$copyrights = null;
			$credits = null;
			$description = null;
			$hashes = null;
			$keywords = null;
			$player = null;
			$ratings = null;
			$restrictions = null;
			$thumbnails = null;
			$title = null;

			
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group)
			{
				if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
				{
					
					foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
					{
						if (isset($content['attribs']['']['url']))
						{
							
							$bitrate = null;
							$channels = null;
							$duration = null;
							$expression = null;
							$framerate = null;
							$height = null;
							$javascript = null;
							$lang = null;
							$length = null;
							$medium = null;
							$samplingrate = null;
							$type = null;
							$url = null;
							$width = null;

							
							$captions = null;
							$categories = null;
							$copyrights = null;
							$credits = null;
							$description = null;
							$hashes = null;
							$keywords = null;
							$player = null;
							$ratings = null;
							$restrictions = null;
							$thumbnails = null;
							$title = null;

							
							if (isset($content['attribs']['']['bitrate']))
							{
								$bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['channels']))
							{
								$channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['duration']))
							{
								$duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							else
							{
								$duration = $duration_parent;
							}
							if (isset($content['attribs']['']['expression']))
							{
								$expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['framerate']))
							{
								$framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['height']))
							{
								$height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['lang']))
							{
								$lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['fileSize']))
							{
								$length = ceil($content['attribs']['']['fileSize']);
							}
							if (isset($content['attribs']['']['medium']))
							{
								$medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['samplingrate']))
							{
								$samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['type']))
							{
								$type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['width']))
							{
								$width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							$url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);

							

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
								{
									$caption_type = null;
									$caption_lang = null;
									$caption_startTime = null;
									$caption_endTime = null;
									$caption_text = null;
									if (isset($caption['attribs']['']['type']))
									{
										$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['lang']))
									{
										$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['start']))
									{
										$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['end']))
									{
										$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['data']))
									{
										$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
								}
								if (is_array($captions))
								{
									$captions = array_values(SimplePie_Misc::array_unique($captions));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
								{
									$caption_type = null;
									$caption_lang = null;
									$caption_startTime = null;
									$caption_endTime = null;
									$caption_text = null;
									if (isset($caption['attribs']['']['type']))
									{
										$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['lang']))
									{
										$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['start']))
									{
										$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['end']))
									{
										$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['data']))
									{
										$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
								}
								if (is_array($captions))
								{
									$captions = array_values(SimplePie_Misc::array_unique($captions));
								}
							}
							else
							{
								$captions = $captions_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
							{
								foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
								{
									$term = null;
									$scheme = null;
									$label = null;
									if (isset($category['data']))
									{
										$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($category['attribs']['']['scheme']))
									{
										$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$scheme = 'http://search.yahoo.com/mrss/category_schema';
									}
									if (isset($category['attribs']['']['label']))
									{
										$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$categories[] = new $this->feed->category_class($term, $scheme, $label);
								}
							}
							if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
							{
								foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
								{
									$term = null;
									$scheme = null;
									$label = null;
									if (isset($category['data']))
									{
										$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($category['attribs']['']['scheme']))
									{
										$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$scheme = 'http://search.yahoo.com/mrss/category_schema';
									}
									if (isset($category['attribs']['']['label']))
									{
										$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$categories[] = new $this->feed->category_class($term, $scheme, $label);
								}
							}
							if (is_array($categories) && is_array($categories_parent))
							{
								$categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent)));
							}
							elseif (is_array($categories))
							{
								$categories = array_values(SimplePie_Misc::array_unique($categories));
							}
							elseif (is_array($categories_parent))
							{
								$categories = array_values(SimplePie_Misc::array_unique($categories_parent));
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
							{
								$copyright_url = null;
								$copyright_label = null;
								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
								{
									$copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
								{
									$copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
							{
								$copyright_url = null;
								$copyright_label = null;
								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
								{
									$copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
								{
									$copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label);
							}
							else
							{
								$copyrights = $copyrights_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
								{
									$credit_role = null;
									$credit_scheme = null;
									$credit_name = null;
									if (isset($credit['attribs']['']['role']))
									{
										$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($credit['attribs']['']['scheme']))
									{
										$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$credit_scheme = 'urn:ebu';
									}
									if (isset($credit['data']))
									{
										$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
								}
								if (is_array($credits))
								{
									$credits = array_values(SimplePie_Misc::array_unique($credits));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
								{
									$credit_role = null;
									$credit_scheme = null;
									$credit_name = null;
									if (isset($credit['attribs']['']['role']))
									{
										$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($credit['attribs']['']['scheme']))
									{
										$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$credit_scheme = 'urn:ebu';
									}
									if (isset($credit['data']))
									{
										$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
								}
								if (is_array($credits))
								{
									$credits = array_values(SimplePie_Misc::array_unique($credits));
								}
							}
							else
							{
								$credits = $credits_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
							{
								$description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
							{
								$description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							else
							{
								$description = $description_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
								{
									$value = null;
									$algo = null;
									if (isset($hash['data']))
									{
										$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($hash['attribs']['']['algo']))
									{
										$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$algo = 'md5';
									}
									$hashes[] = $algo.':'.$value;
								}
								if (is_array($hashes))
								{
									$hashes = array_values(SimplePie_Misc::array_unique($hashes));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
								{
									$value = null;
									$algo = null;
									if (isset($hash['data']))
									{
										$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($hash['attribs']['']['algo']))
									{
										$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$algo = 'md5';
									}
									$hashes[] = $algo.':'.$value;
								}
								if (is_array($hashes))
								{
									$hashes = array_values(SimplePie_Misc::array_unique($hashes));
								}
							}
							else
							{
								$hashes = $hashes_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
							{
								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
								{
									$temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
									foreach ($temp as $word)
									{
										$keywords[] = trim($word);
									}
									unset($temp);
								}
								if (is_array($keywords))
								{
									$keywords = array_values(SimplePie_Misc::array_unique($keywords));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
							{
								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
								{
									$temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
									foreach ($temp as $word)
									{
										$keywords[] = trim($word);
									}
									unset($temp);
								}
								if (is_array($keywords))
								{
									$keywords = array_values(SimplePie_Misc::array_unique($keywords));
								}
							}
							else
							{
								$keywords = $keywords_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
							{
								$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
							{
								$player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
							}
							else
							{
								$player = $player_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
								{
									$rating_scheme = null;
									$rating_value = null;
									if (isset($rating['attribs']['']['scheme']))
									{
										$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$rating_scheme = 'urn:simple';
									}
									if (isset($rating['data']))
									{
										$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value);
								}
								if (is_array($ratings))
								{
									$ratings = array_values(SimplePie_Misc::array_unique($ratings));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
								{
									$rating_scheme = null;
									$rating_value = null;
									if (isset($rating['attribs']['']['scheme']))
									{
										$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$rating_scheme = 'urn:simple';
									}
									if (isset($rating['data']))
									{
										$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value);
								}
								if (is_array($ratings))
								{
									$ratings = array_values(SimplePie_Misc::array_unique($ratings));
								}
							}
							else
							{
								$ratings = $ratings_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
								{
									$restriction_relationship = null;
									$restriction_type = null;
									$restriction_value = null;
									if (isset($restriction['attribs']['']['relationship']))
									{
										$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['attribs']['']['type']))
									{
										$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['data']))
									{
										$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
								}
								if (is_array($restrictions))
								{
									$restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
								{
									$restriction_relationship = null;
									$restriction_type = null;
									$restriction_value = null;
									if (isset($restriction['attribs']['']['relationship']))
									{
										$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['attribs']['']['type']))
									{
										$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['data']))
									{
										$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
								}
								if (is_array($restrictions))
								{
									$restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
								}
							}
							else
							{
								$restrictions = $restrictions_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
								{
									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
								}
								if (is_array($thumbnails))
								{
									$thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
								{
									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
								}
								if (is_array($thumbnails))
								{
									$thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
								}
							}
							else
							{
								$thumbnails = $thumbnails_parent;
							}

							
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
							{
								$title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
							{
								$title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							else
							{
								$title = $title_parent;
							}

							$this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width);
						}
					}
				}
			}

			
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
			{
				foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
				{
					if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
					{
						
						$bitrate = null;
						$channels = null;
						$duration = null;
						$expression = null;
						$framerate = null;
						$height = null;
						$javascript = null;
						$lang = null;
						$length = null;
						$medium = null;
						$samplingrate = null;
						$type = null;
						$url = null;
						$width = null;

						
						$captions = null;
						$categories = null;
						$copyrights = null;
						$credits = null;
						$description = null;
						$hashes = null;
						$keywords = null;
						$player = null;
						$ratings = null;
						$restrictions = null;
						$thumbnails = null;
						$title = null;

						
						if (isset($content['attribs']['']['bitrate']))
						{
							$bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['channels']))
						{
							$channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['duration']))
						{
							$duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						else
						{
							$duration = $duration_parent;
						}
						if (isset($content['attribs']['']['expression']))
						{
							$expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['framerate']))
						{
							$framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['height']))
						{
							$height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['lang']))
						{
							$lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['fileSize']))
						{
							$length = ceil($content['attribs']['']['fileSize']);
						}
						if (isset($content['attribs']['']['medium']))
						{
							$medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['samplingrate']))
						{
							$samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['type']))
						{
							$type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['width']))
						{
							$width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['url']))
						{
							$url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
						}
						

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
							{
								$caption_type = null;
								$caption_lang = null;
								$caption_startTime = null;
								$caption_endTime = null;
								$caption_text = null;
								if (isset($caption['attribs']['']['type']))
								{
									$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['attribs']['']['lang']))
								{
									$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['attribs']['']['start']))
								{
									$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['attribs']['']['end']))
								{
									$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['data']))
								{
									$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
							}
							if (is_array($captions))
							{
								$captions = array_values(SimplePie_Misc::array_unique($captions));
							}
						}
						else
						{
							$captions = $captions_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
						{
							foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
							{
								$term = null;
								$scheme = null;
								$label = null;
								if (isset($category['data']))
								{
									$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($category['attribs']['']['scheme']))
								{
									$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$scheme = 'http://search.yahoo.com/mrss/category_schema';
								}
								if (isset($category['attribs']['']['label']))
								{
									$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$categories[] = new $this->feed->category_class($term, $scheme, $label);
							}
						}
						if (is_array($categories) && is_array($categories_parent))
						{
							$categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent)));
						}
						elseif (is_array($categories))
						{
							$categories = array_values(SimplePie_Misc::array_unique($categories));
						}
						elseif (is_array($categories_parent))
						{
							$categories = array_values(SimplePie_Misc::array_unique($categories_parent));
						}
						else
						{
							$categories = null;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
						{
							$copyright_url = null;
							$copyright_label = null;
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
							{
								$copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
							{
								$copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							$copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label);
						}
						else
						{
							$copyrights = $copyrights_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
							{
								$credit_role = null;
								$credit_scheme = null;
								$credit_name = null;
								if (isset($credit['attribs']['']['role']))
								{
									$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($credit['attribs']['']['scheme']))
								{
									$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$credit_scheme = 'urn:ebu';
								}
								if (isset($credit['data']))
								{
									$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
							}
							if (is_array($credits))
							{
								$credits = array_values(SimplePie_Misc::array_unique($credits));
							}
						}
						else
						{
							$credits = $credits_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
						{
							$description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						else
						{
							$description = $description_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
							{
								$value = null;
								$algo = null;
								if (isset($hash['data']))
								{
									$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($hash['attribs']['']['algo']))
								{
									$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$algo = 'md5';
								}
								$hashes[] = $algo.':'.$value;
							}
							if (is_array($hashes))
							{
								$hashes = array_values(SimplePie_Misc::array_unique($hashes));
							}
						}
						else
						{
							$hashes = $hashes_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
						{
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
							{
								$temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
								foreach ($temp as $word)
								{
									$keywords[] = trim($word);
								}
								unset($temp);
							}
							if (is_array($keywords))
							{
								$keywords = array_values(SimplePie_Misc::array_unique($keywords));
							}
						}
						else
						{
							$keywords = $keywords_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
						{
							$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
						}
						else
						{
							$player = $player_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
							{
								$rating_scheme = null;
								$rating_value = null;
								if (isset($rating['attribs']['']['scheme']))
								{
									$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$rating_scheme = 'urn:simple';
								}
								if (isset($rating['data']))
								{
									$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value);
							}
							if (is_array($ratings))
							{
								$ratings = array_values(SimplePie_Misc::array_unique($ratings));
							}
						}
						else
						{
							$ratings = $ratings_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
							{
								$restriction_relationship = null;
								$restriction_type = null;
								$restriction_value = null;
								if (isset($restriction['attribs']['']['relationship']))
								{
									$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($restriction['attribs']['']['type']))
								{
									$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($restriction['data']))
								{
									$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
							}
							if (is_array($restrictions))
							{
								$restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
							}
						}
						else
						{
							$restrictions = $restrictions_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
							{
								$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
							}
							if (is_array($thumbnails))
							{
								$thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
							}
						}
						else
						{
							$thumbnails = $thumbnails_parent;
						}

						
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
						{
							$title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						else
						{
							$title = $title_parent;
						}

						$this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width);
					}
				}
			}

			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
				{
					
					$bitrate = null;
					$channels = null;
					$duration = null;
					$expression = null;
					$framerate = null;
					$height = null;
					$javascript = null;
					$lang = null;
					$length = null;
					$medium = null;
					$samplingrate = null;
					$type = null;
					$url = null;
					$width = null;

					$url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					if (isset($link['attribs']['']['type']))
					{
						$type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($link['attribs']['']['length']))
					{
						$length = ceil($link['attribs']['']['length']);
					}

					
					$this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
				}
			}

			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
				{
					
					$bitrate = null;
					$channels = null;
					$duration = null;
					$expression = null;
					$framerate = null;
					$height = null;
					$javascript = null;
					$lang = null;
					$length = null;
					$medium = null;
					$samplingrate = null;
					$type = null;
					$url = null;
					$width = null;

					$url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					if (isset($link['attribs']['']['type']))
					{
						$type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($link['attribs']['']['length']))
					{
						$length = ceil($link['attribs']['']['length']);
					}

					
					$this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
				}
			}

			if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure'))
			{
				if (isset($enclosure[0]['attribs']['']['url']))
				{
					
					$bitrate = null;
					$channels = null;
					$duration = null;
					$expression = null;
					$framerate = null;
					$height = null;
					$javascript = null;
					$lang = null;
					$length = null;
					$medium = null;
					$samplingrate = null;
					$type = null;
					$url = null;
					$width = null;

					$url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0]));
					if (isset($enclosure[0]['attribs']['']['type']))
					{
						$type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($enclosure[0]['attribs']['']['length']))
					{
						$length = ceil($enclosure[0]['attribs']['']['length']);
					}

					
					$this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
				}
			}

			if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width))
			{
				
				$this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
			}

			$this->data['enclosures'] = array_values(SimplePie_Misc::array_unique($this->data['enclosures']));
		}
		if (!empty($this->data['enclosures']))
		{
			return $this->data['enclosures'];
		}
		else
		{
			return null;
		}
	}

	public function get_latitude()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[1];
		}
		else
		{
			return null;
		}
	}

	public function get_longitude()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
		{
			return (float) $return[0]['data'];
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[2];
		}
		else
		{
			return null;
		}
	}

	public function get_source()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source'))
		{
			return new $this->feed->source_class($this, $return[0]);
		}
		else
		{
			return null;
		}
	}
}





class SimplePie_Locator
{
	var $useragent;
	var $timeout;
	var $file;
	var $local = array();
	var $elsewhere = array();
	var $file_class = 'SimplePie_File';
	var $cached_entities = array();
	var $http_base;
	var $base;
	var $base_location = 0;
	var $checked_feeds = 0;
	var $max_checked_feeds = 10;
	var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';

	public function __construct(&$file, $timeout = 10, $useragent = null, $file_class = 'SimplePie_File', $max_checked_feeds = 10, $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer')
	{
		$this->file =& $file;
		$this->file_class = $file_class;
		$this->useragent = $useragent;
		$this->timeout = $timeout;
		$this->max_checked_feeds = $max_checked_feeds;
		$this->content_type_sniffer_class = $content_type_sniffer_class;
	}

	public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working)
	{
		if ($this->is_feed($this->file))
		{
			return $this->file;
		}

		if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
		{
			$sniffer = new $this->content_type_sniffer_class($this->file);
			if ($sniffer->get_type() !== 'text/html')
			{
				return null;
			}
		}

		if ($type & ~SIMPLEPIE_LOCATOR_NONE)
		{
			$this->get_base();
		}

		if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery())
		{
			return $working[0];
		}

		if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links())
		{
			if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local))
			{
				return $working;
			}

			if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local))
			{
				return $working;
			}

			if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere))
			{
				return $working;
			}

			if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere))
			{
				return $working;
			}
		}
		return null;
	}

	public function is_feed(&$file)
	{
		if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
		{
			$sniffer = new $this->content_type_sniffer_class($file);
			$sniffed = $sniffer->get_type();
			if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml')))
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL)
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	public function get_base()
	{
		$this->http_base = $this->file->url;
		$this->base = $this->http_base;
		$elements = SimplePie_Misc::get_element('base', $this->file->body);
		foreach ($elements as $element)
		{
			if ($element['attribs']['href']['data'] !== '')
			{
				$this->base = SimplePie_Misc::absolutize_url(trim($element['attribs']['href']['data']), $this->http_base);
				$this->base_location = $element['offset'];
				break;
			}
		}
	}

	public function autodiscovery()
	{
		$links = array_merge(SimplePie_Misc::get_element('link', $this->file->body), SimplePie_Misc::get_element('a', $this->file->body), SimplePie_Misc::get_element('area', $this->file->body));
		$done = array();
		$feeds = array();
		foreach ($links as $link)
		{
			if ($this->checked_feeds === $this->max_checked_feeds)
			{
				break;
			}
			if (isset($link['attribs']['href']['data']) && isset($link['attribs']['rel']['data']))
			{
				$rel = array_unique(SimplePie_Misc::space_seperated_tokens(strtolower($link['attribs']['rel']['data'])));

				if ($this->base_location < $link['offset'])
				{
					$href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
				}
				else
				{
					$href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
				}

				if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !empty($link['attribs']['type']['data']) && in_array(strtolower(SimplePie_Misc::parse_mime($link['attribs']['type']['data'])), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
				{
					$this->checked_feeds++;
					$headers = array(
						'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
					);
					$feed = new $this->file_class($href, $this->timeout, 5, $headers, $this->useragent);
					if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
					{
						$feeds[$href] = $feed;
					}
				}
				$done[] = $href;
			}
		}

		if (!empty($feeds))
		{
			return array_values($feeds);
		}
		else {
			return null;
		}
	}

	public function get_links()
	{
		$links = SimplePie_Misc::get_element('a', $this->file->body);
		foreach ($links as $link)
		{
			if (isset($link['attribs']['href']['data']))
			{
				$href = trim($link['attribs']['href']['data']);
				$parsed = SimplePie_Misc::parse_url($href);
				if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
				{
					if ($this->base_location < $link['offset'])
					{
						$href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
					}
					else
					{
						$href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
					}

					$current = SimplePie_Misc::parse_url($this->file->url);

					if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority'])
					{
						$this->local[] = $href;
					}
					else
					{
						$this->elsewhere[] = $href;
					}
				}
			}
		}
		$this->local = array_unique($this->local);
		$this->elsewhere = array_unique($this->elsewhere);
		if (!empty($this->local) || !empty($this->elsewhere))
		{
			return true;
		}
		return null;
	}

	public function extension(&$array)
	{
		foreach ($array as $key => $value)
		{
			if ($this->checked_feeds === $this->max_checked_feeds)
			{
				break;
			}
			if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml')))
			{
				$this->checked_feeds++;
				
				$headers = array(
					'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
				);
				$feed = new $this->file_class($value, $this->timeout, 5, $headers, $this->useragent);
				if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
				{
					return $feed;
				}
				else
				{
					unset($array[$key]);
				}
			}
		}
		return null;
	}

	public function body(&$array)
	{
		foreach ($array as $key => $value)
		{
			if ($this->checked_feeds === $this->max_checked_feeds)
			{
				break;
			}
			if (preg_match('/(rss|rdf|atom|xml)/i', $value))
			{
				$this->checked_feeds++;
				$headers = array(
					'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
				);
				$feed = new $this->file_class($value, $this->timeout, 5, null, $this->useragent);
				if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
				{
					return $feed;
				}
				else
				{
					unset($array[$key]);
				}
			}
		}
		return null;
	}
}





class SimplePie_Misc
{
	public static function time_hms($seconds)
	{
		$time = '';

		$hours = floor($seconds / 3600);
		$remainder = $seconds % 3600;
		if ($hours > 0)
		{
			$time .= $hours.':';
		}

		$minutes = floor($remainder / 60);
		$seconds = $remainder % 60;
		if ($minutes < 10 && $hours > 0)
		{
			$minutes = '0' . $minutes;
		}
		if ($seconds < 10)
		{
			$seconds = '0' . $seconds;
		}

		$time .= $minutes.':';
		$time .= $seconds;

		return $time;
	}

	public static function absolutize_url($relative, $base)
	{
		$iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative);
		return $iri->get_iri();
	}

	public static function remove_dot_segments($input)
	{
		$output = '';
		while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
		{
			
			if (strpos($input, '../') === 0)
			{
				$input = substr($input, 3);
			}
			elseif (strpos($input, './') === 0)
			{
				$input = substr($input, 2);
			}
			
			elseif (strpos($input, '/./') === 0)
			{
				$input = substr_replace($input, '/', 0, 3);
			}
			elseif ($input === '/.')
			{
				$input = '/';
			}
			
			elseif (strpos($input, '/../') === 0)
			{
				$input = substr_replace($input, '/', 0, 4);
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			elseif ($input === '/..')
			{
				$input = '/';
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			
			elseif ($input === '.' || $input === '..')
			{
				$input = '';
			}
			
			elseif (($pos = strpos($input, '/', 1)) !== false)
			{
				$output .= substr($input, 0, $pos);
				$input = substr_replace($input, '', 0, $pos);
			}
			else
			{
				$output .= $input;
				$input = '';
			}
		}
		return $output . $input;
	}

	public static function get_element($realname, $string)
	{
		$return = array();
		$name = preg_quote($realname, '/');
		if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE))
		{
			for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++)
			{
				$return[$i]['tag'] = $realname;
				$return[$i]['full'] = $matches[$i][0][0];
				$return[$i]['offset'] = $matches[$i][0][1];
				if (strlen($matches[$i][3][0]) <= 2)
				{
					$return[$i]['self_closing'] = true;
				}
				else
				{
					$return[$i]['self_closing'] = false;
					$return[$i]['content'] = $matches[$i][4][0];
				}
				$return[$i]['attribs'] = array();
				if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER))
				{
					for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++)
					{
						if (count($attribs[$j]) === 2)
						{
							$attribs[$j][2] = $attribs[$j][1];
						}
						$return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]), 'UTF-8');
					}
				}
			}
		}
		return $return;
	}

	public static function element_implode($element)
	{
		$full = "<$element[tag]";
		foreach ($element['attribs'] as $key => $value)
		{
			$key = strtolower($key);
			$full .= " $key=\"" . htmlspecialchars($value['data']) . '"';
		}
		if ($element['self_closing'])
		{
			$full .= ' />';
		}
		else
		{
			$full .= ">$element[content]</$element[tag]>";
		}
		return $full;
	}

	public static function error($message, $level, $file, $line)
	{
		if ((ini_get('error_reporting') & $level) > 0)
		{
			switch ($level)
			{
				case E_USER_ERROR:
					$note = 'PHP Error';
					break;
				case E_USER_WARNING:
					$note = 'PHP Warning';
					break;
				case E_USER_NOTICE:
					$note = 'PHP Notice';
					break;
				default:
					$note = 'Unknown Error';
					break;
			}

			$log_error = true;
			if (!function_exists('error_log'))
			{
				$log_error = false;
			}

			$log_file = @ini_get('error_log');
			if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file))
			{
				$log_error = false;
			}

			if ($log_error)
			{
				@error_log("$note: $message in $file on line $line", 0);
			}
		}

		return $message;
	}

	public static function fix_protocol($url, $http = 1)
	{
		$url = SimplePie_Misc::normalize_url($url);
		$parsed = SimplePie_Misc::parse_url($url);
		if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https')
		{
			return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http);
		}

		if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url))
		{
			return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http);
		}

		if ($http === 2 && $parsed['scheme'] !== '')
		{
			return "feed:$url";
		}
		elseif ($http === 3 && strtolower($parsed['scheme']) === 'http')
		{
			return substr_replace($url, 'podcast', 0, 4);
		}
		elseif ($http === 4 && strtolower($parsed['scheme']) === 'http')
		{
			return substr_replace($url, 'itpc', 0, 4);
		}
		else
		{
			return $url;
		}
	}

	public static function parse_url($url)
	{
		$iri = new SimplePie_IRI($url);
		return array(
			'scheme' => (string) $iri->get_scheme(),
			'authority' => (string) $iri->get_authority(),
			'path' => (string) $iri->get_path(),
			'query' => (string) $iri->get_query(),
			'fragment' => (string) $iri->get_fragment()
		);
	}

	public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '')
	{
		$iri = new SimplePie_IRI('');
		$iri->set_scheme($scheme);
		$iri->set_authority($authority);
		$iri->set_path($path);
		$iri->set_query($query);
		$iri->set_fragment($fragment);
		return $iri->get_iri();
	}

	public static function normalize_url($url)
	{
		$iri = new SimplePie_IRI($url);
		return $iri->get_iri();
	}

	public static function percent_encoding_normalization($match)
	{
		$integer = hexdec($match[1]);
		if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E)
		{
			return chr($integer);
		}
		else
		{
			return strtoupper($match[0]);
		}
	}

	
	public static function windows_1252_to_utf8($string)
	{
		static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF");

		return strtr($string, $convert_table);
	}

	public static function change_encoding($data, $input, $output)
	{
		$input = SimplePie_Misc::encoding($input);
		$output = SimplePie_Misc::encoding($output);

		
		if ($input === 'US-ASCII')
		{
			static $non_ascii_octects = '';
			if (!$non_ascii_octects)
			{
				for ($i = 0x80; $i <= 0xFF; $i++)
				{
					$non_ascii_octects .= chr($i);
				}
			}
			$data = substr($data, 0, strcspn($data, $non_ascii_octects));
		}

		
		if ($input === 'windows-1252' && $output === 'UTF-8')
		{
			return SimplePie_Misc::windows_1252_to_utf8($data);
		}
		
		elseif (function_exists('mb_convert_encoding')) {
			if ($input === 'windows-949')
			{
				$input = 'EUC-KR';
			}
			if ($output === 'windows-949')
			{
				$output = 'EUC-KR';
			}
			if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) !== "\x00\x80" && ($return = @mb_convert_encoding($data, $output, $input)))
			{
				return $return;
			}
 		}
		
		elseif (function_exists('iconv') && ($return = @iconv($input, $output, $data)))
		{
			return $return;
		}
		
		else
		{
			return false;
		}
	}

	
	public static function encoding($charset)
	{
		
		switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset)))
		{
			case 'adobestandardencoding':
			case 'csadobestandardencoding':
				return 'Adobe-Standard-Encoding';

			case 'adobesymbolencoding':
			case 'cshppsmath':
				return 'Adobe-Symbol-Encoding';

			case 'ami1251':
			case 'amiga1251':
				return 'Amiga-1251';

			case 'ansix31101983':
			case 'csat5001983':
			case 'csiso99naplps':
			case 'isoir99':
			case 'naplps':
				return 'ANSI_X3.110-1983';

			case 'arabic7':
			case 'asmo449':
			case 'csiso89asmo449':
			case 'iso9036':
			case 'isoir89':
				return 'ASMO_449';

			case 'big5':
			case 'csbig5':
				return 'Big5';

			case 'big5hkscs':
				return 'Big5-HKSCS';

			case 'bocu1':
			case 'csbocu1':
				return 'BOCU-1';

			case 'brf':
			case 'csbrf':
				return 'BRF';

			case 'bs4730':
			case 'csiso4unitedkingdom':
			case 'gb':
			case 'iso646gb':
			case 'isoir4':
			case 'uk':
				return 'BS_4730';

			case 'bsviewdata':
			case 'csiso47bsviewdata':
			case 'isoir47':
				return 'BS_viewdata';

			case 'cesu8':
			case 'cscesu8':
				return 'CESU-8';

			case 'ca':
			case 'csa71':
			case 'csaz243419851':
			case 'csiso121canadian1':
			case 'iso646ca':
			case 'isoir121':
				return 'CSA_Z243.4-1985-1';

			case 'csa72':
			case 'csaz243419852':
			case 'csiso122canadian2':
			case 'iso646ca2':
			case 'isoir122':
				return 'CSA_Z243.4-1985-2';

			case 'csaz24341985gr':
			case 'csiso123csaz24341985gr':
			case 'isoir123':
				return 'CSA_Z243.4-1985-gr';

			case 'csiso139csn369103':
			case 'csn369103':
			case 'isoir139':
				return 'CSN_369103';

			case 'csdecmcs':
			case 'dec':
			case 'decmcs':
				return 'DEC-MCS';

			case 'csiso21german':
			case 'de':
			case 'din66003':
			case 'iso646de':
			case 'isoir21':
				return 'DIN_66003';

			case 'csdkus':
			case 'dkus':
				return 'dk-us';

			case 'csiso646danish':
			case 'dk':
			case 'ds2089':
			case 'iso646dk':
				return 'DS_2089';

			case 'csibmebcdicatde':
			case 'ebcdicatde':
				return 'EBCDIC-AT-DE';

			case 'csebcdicatdea':
			case 'ebcdicatdea':
				return 'EBCDIC-AT-DE-A';

			case 'csebcdiccafr':
			case 'ebcdiccafr':
				return 'EBCDIC-CA-FR';

			case 'csebcdicdkno':
			case 'ebcdicdkno':
				return 'EBCDIC-DK-NO';

			case 'csebcdicdknoa':
			case 'ebcdicdknoa':
				return 'EBCDIC-DK-NO-A';

			case 'csebcdices':
			case 'ebcdices':
				return 'EBCDIC-ES';

			case 'csebcdicesa':
			case 'ebcdicesa':
				return 'EBCDIC-ES-A';

			case 'csebcdicess':
			case 'ebcdicess':
				return 'EBCDIC-ES-S';

			case 'csebcdicfise':
			case 'ebcdicfise':
				return 'EBCDIC-FI-SE';

			case 'csebcdicfisea':
			case 'ebcdicfisea':
				return 'EBCDIC-FI-SE-A';

			case 'csebcdicfr':
			case 'ebcdicfr':
				return 'EBCDIC-FR';

			case 'csebcdicit':
			case 'ebcdicit':
				return 'EBCDIC-IT';

			case 'csebcdicpt':
			case 'ebcdicpt':
				return 'EBCDIC-PT';

			case 'csebcdicuk':
			case 'ebcdicuk':
				return 'EBCDIC-UK';

			case 'csebcdicus':
			case 'ebcdicus':
				return 'EBCDIC-US';

			case 'csiso111ecmacyrillic':
			case 'ecmacyrillic':
			case 'isoir111':
			case 'koi8e':
				return 'ECMA-cyrillic';

			case 'csiso17spanish':
			case 'es':
			case 'iso646es':
			case 'isoir17':
				return 'ES';

			case 'csiso85spanish2':
			case 'es2':
			case 'iso646es2':
			case 'isoir85':
				return 'ES2';

			case 'cseucpkdfmtjapanese':
			case 'eucjp':
			case 'extendedunixcodepackedformatforjapanese':
				return 'EUC-JP';

			case 'cseucfixwidjapanese':
			case 'extendedunixcodefixedwidthforjapanese':
				return 'Extended_UNIX_Code_Fixed_Width_for_Japanese';

			case 'gb18030':
				return 'GB18030';

			case 'chinese':
			case 'cp936':
			case 'csgb2312':
			case 'csiso58gb231280':
			case 'gb2312':
			case 'gb231280':
			case 'gbk':
			case 'isoir58':
			case 'ms936':
			case 'windows936':
				return 'GBK';

			case 'cn':
			case 'csiso57gb1988':
			case 'gb198880':
			case 'iso646cn':
			case 'isoir57':
				return 'GB_1988-80';

			case 'csiso153gost1976874':
			case 'gost1976874':
			case 'isoir153':
			case 'stsev35888':
				return 'GOST_19768-74';

			case 'csiso150':
			case 'csiso150greekccitt':
			case 'greekccitt':
			case 'isoir150':
				return 'greek-ccitt';

			case 'csiso88greek7':
			case 'greek7':
			case 'isoir88':
				return 'greek7';

			case 'csiso18greek7old':
			case 'greek7old':
			case 'isoir18':
				return 'greek7-old';

			case 'cshpdesktop':
			case 'hpdesktop':
				return 'HP-DeskTop';

			case 'cshplegal':
			case 'hplegal':
				return 'HP-Legal';

			case 'cshpmath8':
			case 'hpmath8':
				return 'HP-Math8';

			case 'cshppifont':
			case 'hppifont':
				return 'HP-Pi-font';

			case 'cshproman8':
			case 'hproman8':
			case 'r8':
			case 'roman8':
				return 'hp-roman8';

			case 'hzgb2312':
				return 'HZ-GB-2312';

			case 'csibmsymbols':
			case 'ibmsymbols':
				return 'IBM-Symbols';

			case 'csibmthai':
			case 'ibmthai':
				return 'IBM-Thai';

			case 'cp37':
			case 'csibm37':
			case 'ebcdiccpca':
			case 'ebcdiccpnl':
			case 'ebcdiccpus':
			case 'ebcdiccpwt':
			case 'ibm37':
				return 'IBM037';

			case 'cp38':
			case 'csibm38':
			case 'ebcdicint':
			case 'ibm38':
				return 'IBM038';

			case 'cp273':
			case 'csibm273':
			case 'ibm273':
				return 'IBM273';

			case 'cp274':
			case 'csibm274':
			case 'ebcdicbe':
			case 'ibm274':
				return 'IBM274';

			case 'cp275':
			case 'csibm275':
			case 'ebcdicbr':
			case 'ibm275':
				return 'IBM275';

			case 'csibm277':
			case 'ebcdiccpdk':
			case 'ebcdiccpno':
			case 'ibm277':
				return 'IBM277';

			case 'cp278':
			case 'csibm278':
			case 'ebcdiccpfi':
			case 'ebcdiccpse':
			case 'ibm278':
				return 'IBM278';

			case 'cp280':
			case 'csibm280':
			case 'ebcdiccpit':
			case 'ibm280':
				return 'IBM280';

			case 'cp281':
			case 'csibm281':
			case 'ebcdicjpe':
			case 'ibm281':
				return 'IBM281';

			case 'cp284':
			case 'csibm284':
			case 'ebcdiccpes':
			case 'ibm284':
				return 'IBM284';

			case 'cp285':
			case 'csibm285':
			case 'ebcdiccpgb':
			case 'ibm285':
				return 'IBM285';

			case 'cp290':
			case 'csibm290':
			case 'ebcdicjpkana':
			case 'ibm290':
				return 'IBM290';

			case 'cp297':
			case 'csibm297':
			case 'ebcdiccpfr':
			case 'ibm297':
				return 'IBM297';

			case 'cp420':
			case 'csibm420':
			case 'ebcdiccpar1':
			case 'ibm420':
				return 'IBM420';

			case 'cp423':
			case 'csibm423':
			case 'ebcdiccpgr':
			case 'ibm423':
				return 'IBM423';

			case 'cp424':
			case 'csibm424':
			case 'ebcdiccphe':
			case 'ibm424':
				return 'IBM424';

			case '437':
			case 'cp437':
			case 'cspc8codepage437':
			case 'ibm437':
				return 'IBM437';

			case 'cp500':
			case 'csibm500':
			case 'ebcdiccpbe':
			case 'ebcdiccpch':
			case 'ibm500':
				return 'IBM500';

			case 'cp775':
			case 'cspc775baltic':
			case 'ibm775':
				return 'IBM775';

			case '850':
			case 'cp850':
			case 'cspc850multilingual':
			case 'ibm850':
				return 'IBM850';

			case '851':
			case 'cp851':
			case 'csibm851':
			case 'ibm851':
				return 'IBM851';

			case '852':
			case 'cp852':
			case 'cspcp852':
			case 'ibm852':
				return 'IBM852';

			case '855':
			case 'cp855':
			case 'csibm855':
			case 'ibm855':
				return 'IBM855';

			case '857':
			case 'cp857':
			case 'csibm857':
			case 'ibm857':
				return 'IBM857';

			case 'ccsid858':
			case 'cp858':
			case 'ibm858':
			case 'pcmultilingual850euro':
				return 'IBM00858';

			case '860':
			case 'cp860':
			case 'csibm860':
			case 'ibm860':
				return 'IBM860';

			case '861':
			case 'cp861':
			case 'cpis':
			case 'csibm861':
			case 'ibm861':
				return 'IBM861';

			case '862':
			case 'cp862':
			case 'cspc862latinhebrew':
			case 'ibm862':
				return 'IBM862';

			case '863':
			case 'cp863':
			case 'csibm863':
			case 'ibm863':
				return 'IBM863';

			case 'cp864':
			case 'csibm864':
			case 'ibm864':
				return 'IBM864';

			case '865':
			case 'cp865':
			case 'csibm865':
			case 'ibm865':
				return 'IBM865';

			case '866':
			case 'cp866':
			case 'csibm866':
			case 'ibm866':
				return 'IBM866';

			case 'cp868':
			case 'cpar':
			case 'csibm868':
			case 'ibm868':
				return 'IBM868';

			case '869':
			case 'cp869':
			case 'cpgr':
			case 'csibm869':
			case 'ibm869':
				return 'IBM869';

			case 'cp870':
			case 'csibm870':
			case 'ebcdiccproece':
			case 'ebcdiccpyu':
			case 'ibm870':
				return 'IBM870';

			case 'cp871':
			case 'csibm871':
			case 'ebcdiccpis':
			case 'ibm871':
				return 'IBM871';

			case 'cp880':
			case 'csibm880':
			case 'ebcdiccyrillic':
			case 'ibm880':
				return 'IBM880';

			case 'cp891':
			case 'csibm891':
			case 'ibm891':
				return 'IBM891';

			case 'cp903':
			case 'csibm903':
			case 'ibm903':
				return 'IBM903';

			case '904':
			case 'cp904':
			case 'csibbm904':
			case 'ibm904':
				return 'IBM904';

			case 'cp905':
			case 'csibm905':
			case 'ebcdiccptr':
			case 'ibm905':
				return 'IBM905';

			case 'cp918':
			case 'csibm918':
			case 'ebcdiccpar2':
			case 'ibm918':
				return 'IBM918';

			case 'ccsid924':
			case 'cp924':
			case 'ebcdiclatin9euro':
			case 'ibm924':
				return 'IBM00924';

			case 'cp1026':
			case 'csibm1026':
			case 'ibm1026':
				return 'IBM1026';

			case 'ibm1047':
				return 'IBM1047';

			case 'ccsid1140':
			case 'cp1140':
			case 'ebcdicus37euro':
			case 'ibm1140':
				return 'IBM01140';

			case 'ccsid1141':
			case 'cp1141':
			case 'ebcdicde273euro':
			case 'ibm1141':
				return 'IBM01141';

			case 'ccsid1142':
			case 'cp1142':
			case 'ebcdicdk277euro':
			case 'ebcdicno277euro':
			case 'ibm1142':
				return 'IBM01142';

			case 'ccsid1143':
			case 'cp1143':
			case 'ebcdicfi278euro':
			case 'ebcdicse278euro':
			case 'ibm1143':
				return 'IBM01143';

			case 'ccsid1144':
			case 'cp1144':
			case 'ebcdicit280euro':
			case 'ibm1144':
				return 'IBM01144';

			case 'ccsid1145':
			case 'cp1145':
			case 'ebcdices284euro':
			case 'ibm1145':
				return 'IBM01145';

			case 'ccsid1146':
			case 'cp1146':
			case 'ebcdicgb285euro':
			case 'ibm1146':
				return 'IBM01146';

			case 'ccsid1147':
			case 'cp1147':
			case 'ebcdicfr297euro':
			case 'ibm1147':
				return 'IBM01147';

			case 'ccsid1148':
			case 'cp1148':
			case 'ebcdicinternational500euro':
			case 'ibm1148':
				return 'IBM01148';

			case 'ccsid1149':
			case 'cp1149':
			case 'ebcdicis871euro':
			case 'ibm1149':
				return 'IBM01149';

			case 'csiso143iecp271':
			case 'iecp271':
			case 'isoir143':
				return 'IEC_P27-1';

			case 'csiso49inis':
			case 'inis':
			case 'isoir49':
				return 'INIS';

			case 'csiso50inis8':
			case 'inis8':
			case 'isoir50':
				return 'INIS-8';

			case 'csiso51iniscyrillic':
			case 'iniscyrillic':
			case 'isoir51':
				return 'INIS-cyrillic';

			case 'csinvariant':
			case 'invariant':
				return 'INVARIANT';

			case 'iso2022cn':
				return 'ISO-2022-CN';

			case 'iso2022cnext':
				return 'ISO-2022-CN-EXT';

			case 'csiso2022jp':
			case 'iso2022jp':
				return 'ISO-2022-JP';

			case 'csiso2022jp2':
			case 'iso2022jp2':
				return 'ISO-2022-JP-2';

			case 'csiso2022kr':
			case 'iso2022kr':
				return 'ISO-2022-KR';

			case 'cswindows30latin1':
			case 'iso88591windows30latin1':
				return 'ISO-8859-1-Windows-3.0-Latin-1';

			case 'cswindows31latin1':
			case 'iso88591windows31latin1':
				return 'ISO-8859-1-Windows-3.1-Latin-1';

			case 'csisolatin2':
			case 'iso88592':
			case 'iso885921987':
			case 'isoir101':
			case 'l2':
			case 'latin2':
				return 'ISO-8859-2';

			case 'cswindows31latin2':
			case 'iso88592windowslatin2':
				return 'ISO-8859-2-Windows-Latin-2';

			case 'csisolatin3':
			case 'iso88593':
			case 'iso885931988':
			case 'isoir109':
			case 'l3':
			case 'latin3':
				return 'ISO-8859-3';

			case 'csisolatin4':
			case 'iso88594':
			case 'iso885941988':
			case 'isoir110':
			case 'l4':
			case 'latin4':
				return 'ISO-8859-4';

			case 'csisolatincyrillic':
			case 'cyrillic':
			case 'iso88595':
			case 'iso885951988':
			case 'isoir144':
				return 'ISO-8859-5';

			case 'arabic':
			case 'asmo708':
			case 'csisolatinarabic':
			case 'ecma114':
			case 'iso88596':
			case 'iso885961987':
			case 'isoir127':
				return 'ISO-8859-6';

			case 'csiso88596e':
			case 'iso88596e':
				return 'ISO-8859-6-E';

			case 'csiso88596i':
			case 'iso88596i':
				return 'ISO-8859-6-I';

			case 'csisolatingreek':
			case 'ecma118':
			case 'elot928':
			case 'greek':
			case 'greek8':
			case 'iso88597':
			case 'iso885971987':
			case 'isoir126':
				return 'ISO-8859-7';

			case 'csisolatinhebrew':
			case 'hebrew':
			case 'iso88598':
			case 'iso885981988':
			case 'isoir138':
				return 'ISO-8859-8';

			case 'csiso88598e':
			case 'iso88598e':
				return 'ISO-8859-8-E';

			case 'csiso88598i':
			case 'iso88598i':
				return 'ISO-8859-8-I';

			case 'cswindows31latin5':
			case 'iso88599windowslatin5':
				return 'ISO-8859-9-Windows-Latin-5';

			case 'csisolatin6':
			case 'iso885910':
			case 'iso8859101992':
			case 'isoir157':
			case 'l6':
			case 'latin6':
				return 'ISO-8859-10';

			case 'iso885913':
				return 'ISO-8859-13';

			case 'iso885914':
			case 'iso8859141998':
			case 'isoceltic':
			case 'isoir199':
			case 'l8':
			case 'latin8':
				return 'ISO-8859-14';

			case 'iso885915':
			case 'latin9':
				return 'ISO-8859-15';

			case 'iso885916':
			case 'iso8859162001':
			case 'isoir226':
			case 'l10':
			case 'latin10':
				return 'ISO-8859-16';

			case 'iso10646j1':
				return 'ISO-10646-J-1';

			case 'csunicode':
			case 'iso10646ucs2':
				return 'ISO-10646-UCS-2';

			case 'csucs4':
			case 'iso10646ucs4':
				return 'ISO-10646-UCS-4';

			case 'csunicodeascii':
			case 'iso10646ucsbasic':
				return 'ISO-10646-UCS-Basic';

			case 'csunicodelatin1':
			case 'iso10646':
			case 'iso10646unicodelatin1':
				return 'ISO-10646-Unicode-Latin1';

			case 'csiso10646utf1':
			case 'iso10646utf1':
				return 'ISO-10646-UTF-1';

			case 'csiso115481':
			case 'iso115481':
			case 'isotr115481':
				return 'ISO-11548-1';

			case 'csiso90':
			case 'isoir90':
				return 'iso-ir-90';

			case 'csunicodeibm1261':
			case 'isounicodeibm1261':
				return 'ISO-Unicode-IBM-1261';

			case 'csunicodeibm1264':
			case 'isounicodeibm1264':
				return 'ISO-Unicode-IBM-1264';

			case 'csunicodeibm1265':
			case 'isounicodeibm1265':
				return 'ISO-Unicode-IBM-1265';

			case 'csunicodeibm1268':
			case 'isounicodeibm1268':
				return 'ISO-Unicode-IBM-1268';

			case 'csunicodeibm1276':
			case 'isounicodeibm1276':
				return 'ISO-Unicode-IBM-1276';

			case 'csiso646basic1983':
			case 'iso646basic1983':
			case 'ref':
				return 'ISO_646.basic:1983';

			case 'csiso2intlrefversion':
			case 'irv':
			case 'iso646irv1983':
			case 'isoir2':
				return 'ISO_646.irv:1983';

			case 'csiso2033':
			case 'e13b':
			case 'iso20331983':
			case 'isoir98':
				return 'ISO_2033-1983';

			case 'csiso5427cyrillic':
			case 'iso5427':
			case 'isoir37':
				return 'ISO_5427';

			case 'iso5427cyrillic1981':
			case 'iso54271981':
			case 'isoir54':
				return 'ISO_5427:1981';

			case 'csiso5428greek':
			case 'iso54281980':
			case 'isoir55':
				return 'ISO_5428:1980';

			case 'csiso6937add':
			case 'iso6937225':
			case 'isoir152':
				return 'ISO_6937-2-25';

			case 'csisotextcomm':
			case 'iso69372add':
			case 'isoir142':
				return 'ISO_6937-2-add';

			case 'csiso8859supp':
			case 'iso8859supp':
			case 'isoir154':
			case 'latin125':
				return 'ISO_8859-supp';

			case 'csiso10367box':
			case 'iso10367box':
			case 'isoir155':
				return 'ISO_10367-box';

			case 'csiso15italian':
			case 'iso646it':
			case 'isoir15':
			case 'it':
				return 'IT';

			case 'csiso13jisc6220jp':
			case 'isoir13':
			case 'jisc62201969':
			case 'jisc62201969jp':
			case 'katakana':
			case 'x2017':
				return 'JIS_C6220-1969-jp';

			case 'csiso14jisc6220ro':
			case 'iso646jp':
			case 'isoir14':
			case 'jisc62201969ro':
			case 'jp':
				return 'JIS_C6220-1969-ro';

			case 'csiso42jisc62261978':
			case 'isoir42':
			case 'jisc62261978':
				return 'JIS_C6226-1978';

			case 'csiso87jisx208':
			case 'isoir87':
			case 'jisc62261983':
			case 'jisx2081983':
			case 'x208':
				return 'JIS_C6226-1983';

			case 'csiso91jisc62291984a':
			case 'isoir91':
			case 'jisc62291984a':
			case 'jpocra':
				return 'JIS_C6229-1984-a';

			case 'csiso92jisc62991984b':
			case 'iso646jpocrb':
			case 'isoir92':
			case 'jisc62291984b':
			case 'jpocrb':
				return 'JIS_C6229-1984-b';

			case 'csiso93jis62291984badd':
			case 'isoir93':
			case 'jisc62291984badd':
			case 'jpocrbadd':
				return 'JIS_C6229-1984-b-add';

			case 'csiso94jis62291984hand':
			case 'isoir94':
			case 'jisc62291984hand':
			case 'jpocrhand':
				return 'JIS_C6229-1984-hand';

			case 'csiso95jis62291984handadd':
			case 'isoir95':
			case 'jisc62291984handadd':
			case 'jpocrhandadd':
				return 'JIS_C6229-1984-hand-add';

			case 'csiso96jisc62291984kana':
			case 'isoir96':
			case 'jisc62291984kana':
				return 'JIS_C6229-1984-kana';

			case 'csjisencoding':
			case 'jisencoding':
				return 'JIS_Encoding';

			case 'cshalfwidthkatakana':
			case 'jisx201':
			case 'x201':
				return 'JIS_X0201';

			case 'csiso159jisx2121990':
			case 'isoir159':
			case 'jisx2121990':
			case 'x212':
				return 'JIS_X0212-1990';

			case 'csiso141jusib1002':
			case 'iso646yu':
			case 'isoir141':
			case 'js':
			case 'jusib1002':
			case 'yu':
				return 'JUS_I.B1.002';

			case 'csiso147macedonian':
			case 'isoir147':
			case 'jusib1003mac':
			case 'macedonian':
				return 'JUS_I.B1.003-mac';

			case 'csiso146serbian':
			case 'isoir146':
			case 'jusib1003serb':
			case 'serbian':
				return 'JUS_I.B1.003-serb';

			case 'koi7switched':
				return 'KOI7-switched';

			case 'cskoi8r':
			case 'koi8r':
				return 'KOI8-R';

			case 'koi8u':
				return 'KOI8-U';

			case 'csksc5636':
			case 'iso646kr':
			case 'ksc5636':
				return 'KSC5636';

			case 'cskz1048':
			case 'kz1048':
			case 'rk1048':
			case 'strk10482002':
				return 'KZ-1048';

			case 'csiso19latingreek':
			case 'isoir19':
			case 'latingreek':
				return 'latin-greek';

			case 'csiso27latingreek1':
			case 'isoir27':
			case 'latingreek1':
				return 'Latin-greek-1';

			case 'csiso158lap':
			case 'isoir158':
			case 'lap':
			case 'latinlap':
				return 'latin-lap';

			case 'csmacintosh':
			case 'mac':
			case 'macintosh':
				return 'macintosh';

			case 'csmicrosoftpublishing':
			case 'microsoftpublishing':
				return 'Microsoft-Publishing';

			case 'csmnem':
			case 'mnem':
				return 'MNEM';

			case 'csmnemonic':
			case 'mnemonic':
				return 'MNEMONIC';

			case 'csiso86hungarian':
			case 'hu':
			case 'iso646hu':
			case 'isoir86':
			case 'msz77953':
				return 'MSZ_7795.3';

			case 'csnatsdano':
			case 'isoir91':
			case 'natsdano':
				return 'NATS-DANO';

			case 'csnatsdanoadd':
			case 'isoir92':
			case 'natsdanoadd':
				return 'NATS-DANO-ADD';

			case 'csnatssefi':
			case 'isoir81':
			case 'natssefi':
				return 'NATS-SEFI';

			case 'csnatssefiadd':
			case 'isoir82':
			case 'natssefiadd':
				return 'NATS-SEFI-ADD';

			case 'csiso151cuba':
			case 'cuba':
			case 'iso646cu':
			case 'isoir151':
			case 'ncnc1081':
				return 'NC_NC00-10:81';

			case 'csiso69french':
			case 'fr':
			case 'iso646fr':
			case 'isoir69':
			case 'nfz62010':
				return 'NF_Z_62-010';

			case 'csiso25french':
			case 'iso646fr1':
			case 'isoir25':
			case 'nfz620101973':
				return 'NF_Z_62-010_(1973)';

			case 'csiso60danishnorwegian':
			case 'csiso60norwegian1':
			case 'iso646no':
			case 'isoir60':
			case 'no':
			case 'ns45511':
				return 'NS_4551-1';

			case 'csiso61norwegian2':
			case 'iso646no2':
			case 'isoir61':
			case 'no2':
			case 'ns45512':
				return 'NS_4551-2';

			case 'osdebcdicdf3irv':
				return 'OSD_EBCDIC_DF03_IRV';

			case 'osdebcdicdf41':
				return 'OSD_EBCDIC_DF04_1';

			case 'osdebcdicdf415':
				return 'OSD_EBCDIC_DF04_15';

			case 'cspc8danishnorwegian':
			case 'pc8danishnorwegian':
				return 'PC8-Danish-Norwegian';

			case 'cspc8turkish':
			case 'pc8turkish':
				return 'PC8-Turkish';

			case 'csiso16portuguese':
			case 'iso646pt':
			case 'isoir16':
			case 'pt':
				return 'PT';

			case 'csiso84portuguese2':
			case 'iso646pt2':
			case 'isoir84':
			case 'pt2':
				return 'PT2';

			case 'cp154':
			case 'csptcp154':
			case 'cyrillicasian':
			case 'pt154':
			case 'ptcp154':
				return 'PTCP154';

			case 'scsu':
				return 'SCSU';

			case 'csiso10swedish':
			case 'fi':
			case 'iso646fi':
			case 'iso646se':
			case 'isoir10':
			case 'se':
			case 'sen850200b':
				return 'SEN_850200_B';

			case 'csiso11swedishfornames':
			case 'iso646se2':
			case 'isoir11':
			case 'se2':
			case 'sen850200c':
				return 'SEN_850200_C';

			case 'csiso102t617bit':
			case 'isoir102':
			case 't617bit':
				return 'T.61-7bit';

			case 'csiso103t618bit':
			case 'isoir103':
			case 't61':
			case 't618bit':
				return 'T.61-8bit';

			case 'csiso128t101g2':
			case 'isoir128':
			case 't101g2':
				return 'T.101-G2';

			case 'cstscii':
			case 'tscii':
				return 'TSCII';

			case 'csunicode11':
			case 'unicode11':
				return 'UNICODE-1-1';

			case 'csunicode11utf7':
			case 'unicode11utf7':
				return 'UNICODE-1-1-UTF-7';

			case 'csunknown8bit':
			case 'unknown8bit':
				return 'UNKNOWN-8BIT';

			case 'ansix341968':
			case 'ansix341986':
			case 'ascii':
			case 'cp367':
			case 'csascii':
			case 'ibm367':
			case 'iso646irv1991':
			case 'iso646us':
			case 'isoir6':
			case 'us':
			case 'usascii':
				return 'US-ASCII';

			case 'csusdk':
			case 'usdk':
				return 'us-dk';

			case 'utf7':
				return 'UTF-7';

			case 'utf8':
				return 'UTF-8';

			case 'utf16':
				return 'UTF-16';

			case 'utf16be':
				return 'UTF-16BE';

			case 'utf16le':
				return 'UTF-16LE';

			case 'utf32':
				return 'UTF-32';

			case 'utf32be':
				return 'UTF-32BE';

			case 'utf32le':
				return 'UTF-32LE';

			case 'csventurainternational':
			case 'venturainternational':
				return 'Ventura-International';

			case 'csventuramath':
			case 'venturamath':
				return 'Ventura-Math';

			case 'csventuraus':
			case 'venturaus':
				return 'Ventura-US';

			case 'csiso70videotexsupp1':
			case 'isoir70':
			case 'videotexsuppl':
				return 'videotex-suppl';

			case 'csviqr':
			case 'viqr':
				return 'VIQR';

			case 'csviscii':
			case 'viscii':
				return 'VISCII';

			case 'csshiftjis':
			case 'cswindows31j':
			case 'mskanji':
			case 'shiftjis':
			case 'windows31j':
				return 'Windows-31J';

			case 'iso885911':
			case 'tis620':
				return 'windows-874';

			case 'cseuckr':
			case 'csksc56011987':
			case 'euckr':
			case 'isoir149':
			case 'korean':
			case 'ksc5601':
			case 'ksc56011987':
			case 'ksc56011989':
			case 'windows949':
				return 'windows-949';

			case 'windows1250':
				return 'windows-1250';

			case 'windows1251':
				return 'windows-1251';

			case 'cp819':
			case 'csisolatin1':
			case 'ibm819':
			case 'iso88591':
			case 'iso885911987':
			case 'isoir100':
			case 'l1':
			case 'latin1':
			case 'windows1252':
				return 'windows-1252';

			case 'windows1253':
				return 'windows-1253';

			case 'csisolatin5':
			case 'iso88599':
			case 'iso885991989':
			case 'isoir148':
			case 'l5':
			case 'latin5':
			case 'windows1254':
				return 'windows-1254';

			case 'windows1255':
				return 'windows-1255';

			case 'windows1256':
				return 'windows-1256';

			case 'windows1257':
				return 'windows-1257';

			case 'windows1258':
				return 'windows-1258';

			default:
				return $charset;
		}
	}

	public static function get_curl_version()
	{
		if (is_array($curl = curl_version()))
		{
			$curl = $curl['version'];
		}
		elseif (substr($curl, 0, 5) === 'curl/')
		{
			$curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5));
		}
		elseif (substr($curl, 0, 8) === 'libcurl/')
		{
			$curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8));
		}
		else
		{
			$curl = 0;
		}
		return $curl;
	}

	public static function is_subclass_of($class1, $class2)
	{
		if (func_num_args() !== 2)
		{
			trigger_error('Wrong parameter count for SimplePie_Misc::is_subclass_of()', E_USER_WARNING);
		}
		elseif (version_compare(PHP_VERSION, '5.0.3', '>=') || is_object($class1))
		{
			return is_subclass_of($class1, $class2);
		}
		elseif (is_string($class1) && is_string($class2))
		{
			if (class_exists($class1))
			{
				if (class_exists($class2))
				{
					$class2 = strtolower($class2);
					while ($class1 = strtolower(get_parent_class($class1)))
					{
						if ($class1 === $class2)
						{
							return true;
						}
					}
				}
			}
			else
			{
				trigger_error('Unknown class passed as parameter', E_USER_WARNNG);
			}
		}
		return false;
	}

	
	public static function strip_comments($data)
	{
		$output = '';
		while (($start = strpos($data, '<!--')) !== false)
		{
			$output .= substr($data, 0, $start);
			if (($end = strpos($data, '-->', $start)) !== false)
			{
				$data = substr_replace($data, '', 0, $end + 3);
			}
			else
			{
				$data = '';
			}
		}
		return $output . $data;
	}

	public static function parse_date($dt)
	{
		$parser = SimplePie_Parse_Date::get();
		return $parser->parse($dt);
	}

	
	public static function entities_decode($data)
	{
		$decoder = new SimplePie_Decode_HTML_Entities($data);
		return $decoder->parse();
	}

	
	public static function uncomment_rfc822($string)
	{
		$string = (string) $string;
		$position = 0;
		$length = strlen($string);
		$depth = 0;

		$output = '';

		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
		{
			$output .= substr($string, $position, $pos - $position);
			$position = $pos + 1;
			if ($string[$pos - 1] !== '\\')
			{
				$depth++;
				while ($depth && $position < $length)
				{
					$position += strcspn($string, '()', $position);
					if ($string[$position - 1] === '\\')
					{
						$position++;
						continue;
					}
					elseif (isset($string[$position]))
					{
						switch ($string[$position])
						{
							case '(':
								$depth++;
								break;

							case ')':
								$depth--;
								break;
						}
						$position++;
					}
					else
					{
						break;
					}
				}
			}
			else
			{
				$output .= '(';
			}
		}
		$output .= substr($string, $position);

		return $output;
	}

	public static function parse_mime($mime)
	{
		if (($pos = strpos($mime, ';')) === false)
		{
			return trim($mime);
		}
		else
		{
			return trim(substr($mime, 0, $pos));
		}
	}

	public static function htmlspecialchars_decode($string, $quote_style)
	{
		if (function_exists('htmlspecialchars_decode'))
		{
			return htmlspecialchars_decode($string, $quote_style);
		}
		else
		{
			return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
		}
	}

	public static function atom_03_construct_type($attribs)
	{
		if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64'))
		{
			$mode = SIMPLEPIE_CONSTRUCT_BASE64;
		}
		else
		{
			$mode = SIMPLEPIE_CONSTRUCT_NONE;
		}
		if (isset($attribs['']['type']))
		{
			switch (strtolower(trim($attribs['']['type'])))
			{
				case 'text':
				case 'text/plain':
					return SIMPLEPIE_CONSTRUCT_TEXT | $mode;

				case 'html':
				case 'text/html':
					return SIMPLEPIE_CONSTRUCT_HTML | $mode;

				case 'xhtml':
				case 'application/xhtml+xml':
					return SIMPLEPIE_CONSTRUCT_XHTML | $mode;

				default:
					return SIMPLEPIE_CONSTRUCT_NONE | $mode;
			}
		}
		else
		{
			return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
		}
	}

	public static function atom_10_construct_type($attribs)
	{
		if (isset($attribs['']['type']))
		{
			switch (strtolower(trim($attribs['']['type'])))
			{
				case 'text':
					return SIMPLEPIE_CONSTRUCT_TEXT;

				case 'html':
					return SIMPLEPIE_CONSTRUCT_HTML;

				case 'xhtml':
					return SIMPLEPIE_CONSTRUCT_XHTML;

				default:
					return SIMPLEPIE_CONSTRUCT_NONE;
			}
		}
		return SIMPLEPIE_CONSTRUCT_TEXT;
	}

	public static function atom_10_content_construct_type($attribs)
	{
		if (isset($attribs['']['type']))
		{
			$type = strtolower(trim($attribs['']['type']));
			switch ($type)
			{
				case 'text':
					return SIMPLEPIE_CONSTRUCT_TEXT;

				case 'html':
					return SIMPLEPIE_CONSTRUCT_HTML;

				case 'xhtml':
					return SIMPLEPIE_CONSTRUCT_XHTML;
			}
			if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/')
			{
				return SIMPLEPIE_CONSTRUCT_NONE;
			}
			else
			{
				return SIMPLEPIE_CONSTRUCT_BASE64;
			}
		}
		else
		{
			return SIMPLEPIE_CONSTRUCT_TEXT;
		}
	}

	public static function is_isegment_nz_nc($string)
	{
		return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
	}

	public static function space_seperated_tokens($string)
	{
		$space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
		$string_length = strlen($string);

		$position = strspn($string, $space_characters);
		$tokens = array();

		while ($position < $string_length)
		{
			$len = strcspn($string, $space_characters, $position);
			$tokens[] = substr($string, $position, $len);
			$position += $len;
			$position += strspn($string, $space_characters, $position);
		}

		return $tokens;
	}

	public static function array_unique($array)
	{
		if (version_compare(PHP_VERSION, '5.2', '>='))
		{
			return array_unique($array);
		}
		else
		{
			$array = (array) $array;
			$new_array = array();
			$new_array_strings = array();
			foreach ($array as $key => $value)
			{
				if (is_object($value))
				{
					if (method_exists($value, '__toString'))
					{
						$cmp = $value->__toString();
					}
					else
					{
						trigger_error('Object of class ' . get_class($value) . ' could not be converted to string', E_USER_ERROR);
					}
				}
				elseif (is_array($value))
				{
					$cmp = (string) reset($value);
				}
				else
				{
					$cmp = (string) $value;
				}
				if (!in_array($cmp, $new_array_strings))
				{
					$new_array[$key] = $value;
					$new_array_strings[] = $cmp;
				}
			}
			return $new_array;
		}
	}

	
	public static function codepoint_to_utf8($codepoint)
	{
		$codepoint = (int) $codepoint;
		if ($codepoint < 0)
		{
			return false;
		}
		else if ($codepoint <= 0x7f)
		{
			return chr($codepoint);
		}
		else if ($codepoint <= 0x7ff)
		{
			return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
		}
		else if ($codepoint <= 0xffff)
		{
			return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
		}
		else if ($codepoint <= 0x10ffff)
		{
			return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
		}
		else
		{
			
			return "\xEF\xBF\xBD";
		}
	}

	
	public static function parse_str($str)
	{
		$return = array();
		$str = explode('&', $str);

		foreach ($str as $section)
		{
			if (strpos($section, '=') !== false)
			{
				list($name, $value) = explode('=', $section, 2);
				$return[urldecode($name)][] = urldecode($value);
			}
			else
			{
				$return[urldecode($section)][] = null;
			}
		}

		return $return;
	}

	
	public static function xml_encoding($data)
	{
		
		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
		{
			$encoding[] = 'UTF-32BE';
		}
		
		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
		{
			$encoding[] = 'UTF-32LE';
		}
		
		elseif (substr($data, 0, 2) === "\xFE\xFF")
		{
			$encoding[] = 'UTF-16BE';
		}
		
		elseif (substr($data, 0, 2) === "\xFF\xFE")
		{
			$encoding[] = 'UTF-16LE';
		}
		
		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
		{
			$encoding[] = 'UTF-8';
		}
		
		elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C")
		{
			if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E"))
			{
				$parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-32BE';
		}
		
		elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00")
		{
			if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00"))
			{
				$parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-32LE';
		}
		
		elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C")
		{
			if ($pos = strpos($data, "\x00\x3F\x00\x3E"))
			{
				$parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-16BE';
		}
		
		elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00")
		{
			if ($pos = strpos($data, "\x3F\x00\x3E\x00"))
			{
				$parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-16LE';
		}
		
		elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C")
		{
			if ($pos = strpos($data, "\x3F\x3E"))
			{
				$parser = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-8';
		}
		
		else
		{
			$encoding[] = 'UTF-8';
		}
		return $encoding;
	}

	public static function output_javascript()
	{
		if (function_exists('ob_gzhandler'))
		{
			ob_start('ob_gzhandler');
		}
		header('Content-type: text/javascript; charset: UTF-8');
		header('Cache-Control: must-revalidate');
		header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); 
		?>
function embed_odeo(link) {
	document.writeln('<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url='+link+'"></embed>');
}

function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
	if (placeholder != '') {
		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
	}
	else {
		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
	}
}

function embed_flash(bgcolor, width, height, link, loop, type) {
	document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
}

function embed_flv(width, height, link, placeholder, loop, player) {
	document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
}

function embed_wmedia(width, height, link) {
	document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
}
		<?php
	}

	
	public static function get_build()
	{
		$root = dirname(dirname(__FILE__));
		if (file_exists($root . '/.git/index'))
		{
			return filemtime($root . '/.git/index');
		}
		elseif (file_exists($root . '/SimplePie'))
		{
			$time = 0;
			foreach (glob($root . '/SimplePie/*.php') as $file) {
				if (($mtime = filemtime($file)) > $time)
				{
					$time = $mtime;
				}
			}
			return $time;
		}
		elseif (file_exists(dirname(__FILE__) . '/Core.php'))
		{
			return filemtime(dirname(__FILE__) . '/Core.php');
		}
		else
		{
			return filemtime(__FILE__);
		}
	}
}






class SimplePie_Net_IPv6
{
	
	public static function removeNetmaskSpec($ip)
	{
		if (strpos($ip, '/') !== false)
		{
			list($addr, $nm) = explode('/', $ip);
		}
		else
		{
			$addr = $ip;
		}
		return $addr;
	}

	
	public static function Uncompress($ip)
	{
		$uip = SimplePie_Net_IPv6::removeNetmaskSpec($ip);
		$c1 = -1;
		$c2 = -1;
		if (strpos($ip, '::') !== false)
		{
			list($ip1, $ip2) = explode('::', $ip);
			if ($ip1 === '')
			{
				$c1 = -1;
			}
			else
			{
				$pos = 0;
				if (($pos = substr_count($ip1, ':')) > 0)
				{
					$c1 = $pos;
				}
				else
				{
					$c1 = 0;
				}
			}
			if ($ip2 === '')
			{
				$c2 = -1;
			}
			else
			{
				$pos = 0;
				if (($pos = substr_count($ip2, ':')) > 0)
				{
					$c2 = $pos;
				}
				else
				{
					$c2 = 0;
				}
			}
			if (strstr($ip2, '.'))
			{
				$c2++;
			}
			
			if ($c1 === -1 && $c2 === -1)
			{
				$uip = '0:0:0:0:0:0:0:0';
			}
			
			else if ($c1 === -1)
			{
				$fill = str_repeat('0:', 7 - $c2);
				$uip =	str_replace('::', $fill, $uip);
			}
			
			else if ($c2 === -1)
			{
				$fill = str_repeat(':0', 7 - $c1);
				$uip =	str_replace('::', $fill, $uip);
			}
			
			else
			{
				$fill = str_repeat(':0:', 6 - $c2 - $c1);
				$uip =	str_replace('::', $fill, $uip);
				$uip =	str_replace('::', ':', $uip);
			}
		}
		return $uip;
	}

	
	public static function SplitV64($ip)
	{
		$ip = SimplePie_Net_IPv6::Uncompress($ip);
		if (strstr($ip, '.'))
		{
			$pos = strrpos($ip, ':');
			$ip[$pos] = '_';
			$ipPart = explode('_', $ip);
			return $ipPart;
		}
		else
		{
			return array($ip, '');
		}
	}

	
	public static function checkIPv6($ip)
	{
		$ipPart = SimplePie_Net_IPv6::SplitV64($ip);
		$count = 0;
		if (!empty($ipPart[0]))
		{
			$ipv6 = explode(':', $ipPart[0]);
			for ($i = 0; $i < count($ipv6); $i++)
			{
				$dec = hexdec($ipv6[$i]);
				$hex = strtoupper(preg_replace('/^[0]{1,3}(.*[0-9a-fA-F])$/', '\\1', $ipv6[$i]));
				if ($ipv6[$i] >= 0 && $dec <= 65535 && $hex === strtoupper(dechex($dec)))
				{
					$count++;
				}
			}
			if ($count === 8)
			{
				return true;
			}
			elseif ($count === 6 && !empty($ipPart[1]))
			{
				$ipv4 = explode('.', $ipPart[1]);
				$count = 0;
				foreach ($ipv4 as $ipv4_part)
				{
					if ($ipv4_part >= 0 && $ipv4_part <= 255 && preg_match('/^\d{1,3}$/', $ipv4_part))
					{
						$count++;
					}
				}
				if ($count === 4)
				{
					return true;
				}
			}
			else
			{
				return false;
			}

		}
		else
		{
			return false;
		}
	}
}






class SimplePie_Parse_Date
{
	
	var $date;

	
	var $day = array(
		
		'mon' => 1,
		'monday' => 1,
		'tue' => 2,
		'tuesday' => 2,
		'wed' => 3,
		'wednesday' => 3,
		'thu' => 4,
		'thursday' => 4,
		'fri' => 5,
		'friday' => 5,
		'sat' => 6,
		'saturday' => 6,
		'sun' => 7,
		'sunday' => 7,
		
		'maandag' => 1,
		'dinsdag' => 2,
		'woensdag' => 3,
		'donderdag' => 4,
		'vrijdag' => 5,
		'zaterdag' => 6,
		'zondag' => 7,
		
		'lundi' => 1,
		'mardi' => 2,
		'mercredi' => 3,
		'jeudi' => 4,
		'vendredi' => 5,
		'samedi' => 6,
		'dimanche' => 7,
		
		'montag' => 1,
		'dienstag' => 2,
		'mittwoch' => 3,
		'donnerstag' => 4,
		'freitag' => 5,
		'samstag' => 6,
		'sonnabend' => 6,
		'sonntag' => 7,
		
		'lunedì' => 1,
		'martedì' => 2,
		'mercoledì' => 3,
		'giovedì' => 4,
		'venerdì' => 5,
		'sabato' => 6,
		'domenica' => 7,
		
		'lunes' => 1,
		'martes' => 2,
		'miércoles' => 3,
		'jueves' => 4,
		'viernes' => 5,
		'sábado' => 6,
		'domingo' => 7,
		
		'maanantai' => 1,
		'tiistai' => 2,
		'keskiviikko' => 3,
		'torstai' => 4,
		'perjantai' => 5,
		'lauantai' => 6,
		'sunnuntai' => 7,
		
		'hétfő' => 1,
		'kedd' => 2,
		'szerda' => 3,
		'csütörtok' => 4,
		'péntek' => 5,
		'szombat' => 6,
		'vasárnap' => 7,
		
		'Δευ' => 1,
		'Τρι' => 2,
		'Τετ' => 3,
		'Πεμ' => 4,
		'Παρ' => 5,
		'Σαβ' => 6,
		'Κυρ' => 7,
	);

	
	var $month = array(
		
		'jan' => 1,
		'january' => 1,
		'feb' => 2,
		'february' => 2,
		'mar' => 3,
		'march' => 3,
		'apr' => 4,
		'april' => 4,
		'may' => 5,
		
		'jun' => 6,
		'june' => 6,
		'jul' => 7,
		'july' => 7,
		'aug' => 8,
		'august' => 8,
		'sep' => 9,
		'september' => 8,
		'oct' => 10,
		'october' => 10,
		'nov' => 11,
		'november' => 11,
		'dec' => 12,
		'december' => 12,
		
		'januari' => 1,
		'februari' => 2,
		'maart' => 3,
		'april' => 4,
		'mei' => 5,
		'juni' => 6,
		'juli' => 7,
		'augustus' => 8,
		'september' => 9,
		'oktober' => 10,
		'november' => 11,
		'december' => 12,
		
		'janvier' => 1,
		'février' => 2,
		'mars' => 3,
		'avril' => 4,
		'mai' => 5,
		'juin' => 6,
		'juillet' => 7,
		'août' => 8,
		'septembre' => 9,
		'octobre' => 10,
		'novembre' => 11,
		'décembre' => 12,
		
		'januar' => 1,
		'februar' => 2,
		'märz' => 3,
		'april' => 4,
		'mai' => 5,
		'juni' => 6,
		'juli' => 7,
		'august' => 8,
		'september' => 9,
		'oktober' => 10,
		'november' => 11,
		'dezember' => 12,
		
		'gennaio' => 1,
		'febbraio' => 2,
		'marzo' => 3,
		'aprile' => 4,
		'maggio' => 5,
		'giugno' => 6,
		'luglio' => 7,
		'agosto' => 8,
		'settembre' => 9,
		'ottobre' => 10,
		'novembre' => 11,
		'dicembre' => 12,
		
		'enero' => 1,
		'febrero' => 2,
		'marzo' => 3,
		'abril' => 4,
		'mayo' => 5,
		'junio' => 6,
		'julio' => 7,
		'agosto' => 8,
		'septiembre' => 9,
		'setiembre' => 9,
		'octubre' => 10,
		'noviembre' => 11,
		'diciembre' => 12,
		
		'tammikuu' => 1,
		'helmikuu' => 2,
		'maaliskuu' => 3,
		'huhtikuu' => 4,
		'toukokuu' => 5,
		'kesäkuu' => 6,
		'heinäkuu' => 7,
		'elokuu' => 8,
		'suuskuu' => 9,
		'lokakuu' => 10,
		'marras' => 11,
		'joulukuu' => 12,
		
		'január' => 1,
		'február' => 2,
		'március' => 3,
		'április' => 4,
		'május' => 5,
		'június' => 6,
		'július' => 7,
		'augusztus' => 8,
		'szeptember' => 9,
		'október' => 10,
		'november' => 11,
		'december' => 12,
		
		'Ιαν' => 1,
		'Φεβ' => 2,
		'Μάώ' => 3,
		'Μαώ' => 3,
		'Απρ' => 4,
		'Μάι' => 5,
		'Μαϊ' => 5,
		'Μαι' => 5,
		'Ιούν' => 6,
		'Ιον' => 6,
		'Ιούλ' => 7,
		'Ιολ' => 7,
		'Αύγ' => 8,
		'Αυγ' => 8,
		'Σεπ' => 9,
		'Οκτ' => 10,
		'Νοέ' => 11,
		'Δεκ' => 12,
	);

	
	var $timezone = array(
		'ACDT' => 37800,
		'ACIT' => 28800,
		'ACST' => 34200,
		'ACT' => -18000,
		'ACWDT' => 35100,
		'ACWST' => 31500,
		'AEDT' => 39600,
		'AEST' => 36000,
		'AFT' => 16200,
		'AKDT' => -28800,
		'AKST' => -32400,
		'AMDT' => 18000,
		'AMT' => -14400,
		'ANAST' => 46800,
		'ANAT' => 43200,
		'ART' => -10800,
		'AZOST' => -3600,
		'AZST' => 18000,
		'AZT' => 14400,
		'BIOT' => 21600,
		'BIT' => -43200,
		'BOT' => -14400,
		'BRST' => -7200,
		'BRT' => -10800,
		'BST' => 3600,
		'BTT' => 21600,
		'CAST' => 18000,
		'CAT' => 7200,
		'CCT' => 23400,
		'CDT' => -18000,
		'CEDT' => 7200,
		'CET' => 3600,
		'CGST' => -7200,
		'CGT' => -10800,
		'CHADT' => 49500,
		'CHAST' => 45900,
		'CIST' => -28800,
		'CKT' => -36000,
		'CLDT' => -10800,
		'CLST' => -14400,
		'COT' => -18000,
		'CST' => -21600,
		'CVT' => -3600,
		'CXT' => 25200,
		'DAVT' => 25200,
		'DTAT' => 36000,
		'EADT' => -18000,
		'EAST' => -21600,
		'EAT' => 10800,
		'ECT' => -18000,
		'EDT' => -14400,
		'EEST' => 10800,
		'EET' => 7200,
		'EGT' => -3600,
		'EKST' => 21600,
		'EST' => -18000,
		'FJT' => 43200,
		'FKDT' => -10800,
		'FKST' => -14400,
		'FNT' => -7200,
		'GALT' => -21600,
		'GEDT' => 14400,
		'GEST' => 10800,
		'GFT' => -10800,
		'GILT' => 43200,
		'GIT' => -32400,
		'GST' => 14400,
		'GST' => -7200,
		'GYT' => -14400,
		'HAA' => -10800,
		'HAC' => -18000,
		'HADT' => -32400,
		'HAE' => -14400,
		'HAP' => -25200,
		'HAR' => -21600,
		'HAST' => -36000,
		'HAT' => -9000,
		'HAY' => -28800,
		'HKST' => 28800,
		'HMT' => 18000,
		'HNA' => -14400,
		'HNC' => -21600,
		'HNE' => -18000,
		'HNP' => -28800,
		'HNR' => -25200,
		'HNT' => -12600,
		'HNY' => -32400,
		'IRDT' => 16200,
		'IRKST' => 32400,
		'IRKT' => 28800,
		'IRST' => 12600,
		'JFDT' => -10800,
		'JFST' => -14400,
		'JST' => 32400,
		'KGST' => 21600,
		'KGT' => 18000,
		'KOST' => 39600,
		'KOVST' => 28800,
		'KOVT' => 25200,
		'KRAST' => 28800,
		'KRAT' => 25200,
		'KST' => 32400,
		'LHDT' => 39600,
		'LHST' => 37800,
		'LINT' => 50400,
		'LKT' => 21600,
		'MAGST' => 43200,
		'MAGT' => 39600,
		'MAWT' => 21600,
		'MDT' => -21600,
		'MESZ' => 7200,
		'MEZ' => 3600,
		'MHT' => 43200,
		'MIT' => -34200,
		'MNST' => 32400,
		'MSDT' => 14400,
		'MSST' => 10800,
		'MST' => -25200,
		'MUT' => 14400,
		'MVT' => 18000,
		'MYT' => 28800,
		'NCT' => 39600,
		'NDT' => -9000,
		'NFT' => 41400,
		'NMIT' => 36000,
		'NOVST' => 25200,
		'NOVT' => 21600,
		'NPT' => 20700,
		'NRT' => 43200,
		'NST' => -12600,
		'NUT' => -39600,
		'NZDT' => 46800,
		'NZST' => 43200,
		'OMSST' => 25200,
		'OMST' => 21600,
		'PDT' => -25200,
		'PET' => -18000,
		'PETST' => 46800,
		'PETT' => 43200,
		'PGT' => 36000,
		'PHOT' => 46800,
		'PHT' => 28800,
		'PKT' => 18000,
		'PMDT' => -7200,
		'PMST' => -10800,
		'PONT' => 39600,
		'PST' => -28800,
		'PWT' => 32400,
		'PYST' => -10800,
		'PYT' => -14400,
		'RET' => 14400,
		'ROTT' => -10800,
		'SAMST' => 18000,
		'SAMT' => 14400,
		'SAST' => 7200,
		'SBT' => 39600,
		'SCDT' => 46800,
		'SCST' => 43200,
		'SCT' => 14400,
		'SEST' => 3600,
		'SGT' => 28800,
		'SIT' => 28800,
		'SRT' => -10800,
		'SST' => -39600,
		'SYST' => 10800,
		'SYT' => 7200,
		'TFT' => 18000,
		'THAT' => -36000,
		'TJT' => 18000,
		'TKT' => -36000,
		'TMT' => 18000,
		'TOT' => 46800,
		'TPT' => 32400,
		'TRUT' => 36000,
		'TVT' => 43200,
		'TWT' => 28800,
		'UYST' => -7200,
		'UYT' => -10800,
		'UZT' => 18000,
		'VET' => -14400,
		'VLAST' => 39600,
		'VLAT' => 36000,
		'VOST' => 21600,
		'VUT' => 39600,
		'WAST' => 7200,
		'WAT' => 3600,
		'WDT' => 32400,
		'WEST' => 3600,
		'WFT' => 43200,
		'WIB' => 25200,
		'WIT' => 32400,
		'WITA' => 28800,
		'WKST' => 18000,
		'WST' => 28800,
		'YAKST' => 36000,
		'YAKT' => 32400,
		'YAPT' => 36000,
		'YEKST' => 21600,
		'YEKT' => 18000,
	);

	
	var $day_pcre;

	
	var $month_pcre;

	
	var $built_in = array();

	
	var $user = array();

	
	public function __construct()
	{
		$this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')';
		$this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')';

		static $cache;
		if (!isset($cache[get_class($this)]))
		{
			$all_methods = get_class_methods($this);

			foreach ($all_methods as $method)
			{
				if (strtolower(substr($method, 0, 5)) === 'date_')
				{
					$cache[get_class($this)][] = $method;
				}
			}
		}

		foreach ($cache[get_class($this)] as $method)
		{
			$this->built_in[] = $method;
		}
	}

	
	public static function get()
	{
		static $object;
		if (!$object)
		{
			$object = new SimplePie_Parse_Date;
		}
		return $object;
	}

	
	public function parse($date)
	{
		foreach ($this->user as $method)
		{
			if (($returned = call_user_func($method, $date)) !== false)
			{
				return $returned;
			}
		}

		foreach ($this->built_in as $method)
		{
			if (($returned = call_user_func(array(&$this, $method), $date)) !== false)
			{
				return $returned;
			}
		}

		return false;
	}

	
	public function add_callback($callback)
	{
		if (is_callable($callback))
		{
			$this->user[] = $callback;
		}
		else
		{
			trigger_error('User-supplied function must be a valid callback', E_USER_WARNING);
		}
	}

	
	public function date_w3cdtf($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$year = '([0-9]{4})';
			$month = $day = $hour = $minute = $second = '([0-9]{2})';
			$decimal = '([0-9]*)';
			$zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))';
			$pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/';
		}
		if (preg_match($pcre, $date, $match))
		{
			

			
			for ($i = count($match); $i <= 3; $i++)
			{
				$match[$i] = '1';
			}

			for ($i = count($match); $i <= 7; $i++)
			{
				$match[$i] = '0';
			}

			
			if (isset($match[9]) && $match[9] !== '')
			{
				$timezone = $match[10] * 3600;
				$timezone += $match[11] * 60;
				if ($match[9] === '-')
				{
					$timezone = 0 - $timezone;
				}
			}
			else
			{
				$timezone = 0;
			}

			
			$second = round($match[6] + $match[7] / pow(10, strlen($match[7])));

			return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
		}
		else
		{
			return false;
		}
	}

	
	public function remove_rfc2822_comments($string)
	{
		$string = (string) $string;
		$position = 0;
		$length = strlen($string);
		$depth = 0;

		$output = '';

		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
		{
			$output .= substr($string, $position, $pos - $position);
			$position = $pos + 1;
			if ($string[$pos - 1] !== '\\')
			{
				$depth++;
				while ($depth && $position < $length)
				{
					$position += strcspn($string, '()', $position);
					if ($string[$position - 1] === '\\')
					{
						$position++;
						continue;
					}
					elseif (isset($string[$position]))
					{
						switch ($string[$position])
						{
							case '(':
								$depth++;
								break;

							case ')':
								$depth--;
								break;
						}
						$position++;
					}
					else
					{
						break;
					}
				}
			}
			else
			{
				$output .= '(';
			}
		}
		$output .= substr($string, $position);

		return $output;
	}

	
	public function date_rfc2822($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$wsp = '[\x09\x20]';
			$fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)';
			$optional_fws = $fws . '?';
			$day_name = $this->day_pcre;
			$month = $this->month_pcre;
			$day = '([0-9]{1,2})';
			$hour = $minute = $second = '([0-9]{2})';
			$year = '([0-9]{2,4})';
			$num_zone = '([+\-])([0-9]{2})([0-9]{2})';
			$character_zone = '([A-Z]{1,5})';
			$zone = '(?:' . $num_zone . '|' . $character_zone . ')';
			$pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i';
		}
		if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match))
		{
			

			
			$month = $this->month[strtolower($match[3])];

			
			if ($match[8] !== '')
			{
				$timezone = $match[9] * 3600;
				$timezone += $match[10] * 60;
				if ($match[8] === '-')
				{
					$timezone = 0 - $timezone;
				}
			}
			
			elseif (isset($this->timezone[strtoupper($match[11])]))
			{
				$timezone = $this->timezone[strtoupper($match[11])];
			}
			
			else
			{
				$timezone = 0;
			}

			
			if ($match[4] < 50)
			{
				$match[4] += 2000;
			}
			elseif ($match[4] < 1000)
			{
				$match[4] += 1900;
			}

			
			if ($match[7] !== '')
			{
				$second = $match[7];
			}
			else
			{
				$second = 0;
			}

			return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone;
		}
		else
		{
			return false;
		}
	}

	
	public function date_rfc850($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$space = '[\x09\x20]+';
			$day_name = $this->day_pcre;
			$month = $this->month_pcre;
			$day = '([0-9]{1,2})';
			$year = $hour = $minute = $second = '([0-9]{2})';
			$zone = '([A-Z]{1,5})';
			$pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i';
		}
		if (preg_match($pcre, $date, $match))
		{
			

			
			$month = $this->month[strtolower($match[3])];

			
			if (isset($this->timezone[strtoupper($match[8])]))
			{
				$timezone = $this->timezone[strtoupper($match[8])];
			}
			
			else
			{
				$timezone = 0;
			}

			
			if ($match[4] < 50)
			{
				$match[4] += 2000;
			}
			else
			{
				$match[4] += 1900;
			}

			return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone;
		}
		else
		{
			return false;
		}
	}

	
	public function date_asctime($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$space = '[\x09\x20]+';
			$wday_name = $this->day_pcre;
			$mon_name = $this->month_pcre;
			$day = '([0-9]{1,2})';
			$hour = $sec = $min = '([0-9]{2})';
			$year = '([0-9]{4})';
			$terminator = '\x0A?\x00?';
			$pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i';
		}
		if (preg_match($pcre, $date, $match))
		{
			

			$month = $this->month[strtolower($match[2])];
			return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]);
		}
		else
		{
			return false;
		}
	}

	
	public function date_strtotime($date)
	{
		$strtotime = strtotime($date);
		if ($strtotime === -1 || $strtotime === false)
		{
			return false;
		}
		else
		{
			return $strtotime;
		}
	}
}





class SimplePie_Parser
{
	var $error_code;
	var $error_string;
	var $current_line;
	var $current_column;
	var $current_byte;
	var $separator = ' ';
	var $namespace = array('');
	var $element = array('');
	var $xml_base = array('');
	var $xml_base_explicit = array(false);
	var $xml_lang = array('');
	var $data = array();
	var $datas = array(array());
	var $current_xhtml_construct = -1;
	var $encoding;

	public function parse(&$data, $encoding)
	{
		
		if (strtoupper($encoding) === 'US-ASCII')
		{
			$this->encoding = 'UTF-8';
		}
		else
		{
			$this->encoding = $encoding;
		}

		
		
		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
		{
			$data = substr($data, 4);
		}
		
		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
		{
			$data = substr($data, 4);
		}
		
		elseif (substr($data, 0, 2) === "\xFE\xFF")
		{
			$data = substr($data, 2);
		}
		
		elseif (substr($data, 0, 2) === "\xFF\xFE")
		{
			$data = substr($data, 2);
		}
		
		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
		{
			$data = substr($data, 3);
		}

		if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
		{
			$declaration = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
			if ($declaration->parse())
			{
				$data = substr($data, $pos + 2);
				$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
			}
			else
			{
				$this->error_string = 'SimplePie bug! Please report this!';
				return false;
			}
		}

		$return = true;

		static $xml_is_sane = null;
		if ($xml_is_sane === null)
		{
			$parser_check = xml_parser_create();
			xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
			xml_parser_free($parser_check);
			$xml_is_sane = isset($values[0]['value']);
		}

		
		if ($xml_is_sane)
		{
			$xml = xml_parser_create_ns($this->encoding, $this->separator);
			xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
			xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
			xml_set_object($xml, $this);
			xml_set_character_data_handler($xml, 'cdata');
			xml_set_element_handler($xml, 'tag_open', 'tag_close');

			
			if (!xml_parse($xml, $data, true))
			{
				$this->error_code = xml_get_error_code($xml);
				$this->error_string = xml_error_string($this->error_code);
				$return = false;
			}
			$this->current_line = xml_get_current_line_number($xml);
			$this->current_column = xml_get_current_column_number($xml);
			$this->current_byte = xml_get_current_byte_index($xml);
			xml_parser_free($xml);
			return $return;
		}
		else
		{
			libxml_clear_errors();
			$xml = new XMLReader();
			$xml->xml($data);
			while (@$xml->read())
			{
				switch ($xml->nodeType)
				{

					case constant('XMLReader::END_ELEMENT'):
						if ($xml->namespaceURI !== '')
						{
							$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
						}
						else
						{
							$tagName = $xml->localName;
						}
						$this->tag_close(null, $tagName);
						break;
					case constant('XMLReader::ELEMENT'):
						$empty = $xml->isEmptyElement;
						if ($xml->namespaceURI !== '')
						{
							$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
						}
						else
						{
							$tagName = $xml->localName;
						}
						$attributes = array();
						while ($xml->moveToNextAttribute())
						{
							if ($xml->namespaceURI !== '')
							{
								$attrName = $xml->namespaceURI . $this->separator . $xml->localName;
							}
							else
							{
								$attrName = $xml->localName;
							}
							$attributes[$attrName] = $xml->value;
						}
						$this->tag_open(null, $tagName, $attributes);
						if ($empty)
						{
							$this->tag_close(null, $tagName);
						}
						break;
					case constant('XMLReader::TEXT'):

					case constant('XMLReader::CDATA'):
						$this->cdata(null, $xml->value);
						break;
				}
			}
			if ($error = libxml_get_last_error())
			{
				$this->error_code = $error->code;
				$this->error_string = $error->message;
				$this->current_line = $error->line;
				$this->current_column = $error->column;
				return false;
			}
			else
			{
				return true;
			}
		}
	}

	public function get_error_code()
	{
		return $this->error_code;
	}

	public function get_error_string()
	{
		return $this->error_string;
	}

	public function get_current_line()
	{
		return $this->current_line;
	}

	public function get_current_column()
	{
		return $this->current_column;
	}

	public function get_current_byte()
	{
		return $this->current_byte;
	}

	public function get_data()
	{
		return $this->data;
	}

	public function tag_open($parser, $tag, $attributes)
	{
		list($this->namespace[], $this->element[]) = $this->split_ns($tag);

		$attribs = array();
		foreach ($attributes as $name => $value)
		{
			list($attrib_namespace, $attribute) = $this->split_ns($name);
			$attribs[$attrib_namespace][$attribute] = $value;
		}

		if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
		{
			$this->xml_base[] = SimplePie_Misc::absolutize_url($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base));
			$this->xml_base_explicit[] = true;
		}
		else
		{
			$this->xml_base[] = end($this->xml_base);
			$this->xml_base_explicit[] = end($this->xml_base_explicit);
		}

		if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
		{
			$this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
		}
		else
		{
			$this->xml_lang[] = end($this->xml_lang);
		}

		if ($this->current_xhtml_construct >= 0)
		{
			$this->current_xhtml_construct++;
			if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
			{
				$this->data['data'] .= '<' . end($this->element);
				if (isset($attribs['']))
				{
					foreach ($attribs[''] as $name => $value)
					{
						$this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
					}
				}
				$this->data['data'] .= '>';
			}
		}
		else
		{
			$this->datas[] =& $this->data;
			$this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
			$this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
			if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml'))
			{
				$this->current_xhtml_construct = 0;
			}
		}
	}

	public function cdata($parser, $cdata)
	{
		if ($this->current_xhtml_construct >= 0)
		{
			$this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
		}
		else
		{
			$this->data['data'] .= $cdata;
		}
	}

	public function tag_close($parser, $tag)
	{
		if ($this->current_xhtml_construct >= 0)
		{
			$this->current_xhtml_construct--;
			if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
			{
				$this->data['data'] .= '</' . end($this->element) . '>';
			}
		}
		if ($this->current_xhtml_construct === -1)
		{
			$this->data =& $this->datas[count($this->datas) - 1];
			array_pop($this->datas);
		}

		array_pop($this->element);
		array_pop($this->namespace);
		array_pop($this->xml_base);
		array_pop($this->xml_base_explicit);
		array_pop($this->xml_lang);
	}

	public function split_ns($string)
	{
		static $cache = array();
		if (!isset($cache[$string]))
		{
			if ($pos = strpos($string, $this->separator))
			{
				static $separator_length;
				if (!$separator_length)
				{
					$separator_length = strlen($this->separator);
				}
				$namespace = substr($string, 0, $pos);
				$local_name = substr($string, $pos + $separator_length);
				if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
				{
					$namespace = SIMPLEPIE_NAMESPACE_ITUNES;
				}

				
				if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
				{
					$namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
				}
				$cache[$string] = array($namespace, $local_name);
			}
			else
			{
				$cache[$string] = array('', $string);
			}
		}
		return $cache[$string];
	}
}




class SimplePie_Rating
{
	var $scheme;
	var $value;

	
	public function __construct($scheme = null, $value = null)
	{
		$this->scheme = $scheme;
		$this->value = $value;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_scheme()
	{
		if ($this->scheme !== null)
		{
			return $this->scheme;
		}
		else
		{
			return null;
		}
	}

	public function get_value()
	{
		if ($this->value !== null)
		{
			return $this->value;
		}
		else
		{
			return null;
		}
	}
}




class SimplePie_Restriction
{
	var $relationship;
	var $type;
	var $value;

	
	public function __construct($relationship = null, $type = null, $value = null)
	{
		$this->relationship = $relationship;
		$this->type = $type;
		$this->value = $value;
	}

	public function __toString()
	{
		
		return md5(serialize($this));
	}

	public function get_relationship()
	{
		if ($this->relationship !== null)
		{
			return $this->relationship;
		}
		else
		{
			return null;
		}
	}

	public function get_type()
	{
		if ($this->type !== null)
		{
			return $this->type;
		}
		else
		{
			return null;
		}
	}

	public function get_value()
	{
		if ($this->value !== null)
		{
			return $this->value;
		}
		else
		{
			return null;
		}
	}
}





class SimplePie_Sanitize
{
	
	var $base;

	
	var $remove_div = true;
	var $image_handler = '';
	var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
	var $encode_instead_of_strip = false;
	var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
	var $strip_comments = false;
	var $output_encoding = 'UTF-8';
	var $enable_cache = true;
	var $cache_location = './cache';
	var $cache_name_function = 'md5';
	var $cache_class = 'SimplePie_Cache';
	var $file_class = 'SimplePie_File';
	var $timeout = 10;
	var $useragent = '';
	var $force_fsockopen = false;

	var $replace_url_attributes = array(
		'a' => 'href',
		'area' => 'href',
		'blockquote' => 'cite',
		'del' => 'cite',
		'form' => 'action',
		'img' => array('longdesc', 'src'),
		'input' => 'src',
		'ins' => 'cite',
		'q' => 'cite'
	);

	public function remove_div($enable = true)
	{
		$this->remove_div = (bool) $enable;
	}

	public function set_image_handler($page = false)
	{
		if ($page)
		{
			$this->image_handler = (string) $page;
		}
		else
		{
			$this->image_handler = false;
		}
	}

	public function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie_Cache')
	{
		if (isset($enable_cache))
		{
			$this->enable_cache = (bool) $enable_cache;
		}

		if ($cache_location)
		{
			$this->cache_location = (string) $cache_location;
		}

		if ($cache_name_function)
		{
			$this->cache_name_function = (string) $cache_name_function;
		}

		if ($cache_class)
		{
			$this->cache_class = (string) $cache_class;
		}
	}

	public function pass_file_data($file_class = 'SimplePie_File', $timeout = 10, $useragent = '', $force_fsockopen = false)
	{
		if ($file_class)
		{
			$this->file_class = (string) $file_class;
		}

		if ($timeout)
		{
			$this->timeout = (string) $timeout;
		}

		if ($useragent)
		{
			$this->useragent = (string) $useragent;
		}

		if ($force_fsockopen)
		{
			$this->force_fsockopen = (string) $force_fsockopen;
		}
	}

	public function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'))
	{
		if ($tags)
		{
			if (is_array($tags))
			{
				$this->strip_htmltags = $tags;
			}
			else
			{
				$this->strip_htmltags = explode(',', $tags);
			}
		}
		else
		{
			$this->strip_htmltags = false;
		}
	}

	public function encode_instead_of_strip($encode = false)
	{
		$this->encode_instead_of_strip = (bool) $encode;
	}

	public function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'))
	{
		if ($attribs)
		{
			if (is_array($attribs))
			{
				$this->strip_attributes = $attribs;
			}
			else
			{
				$this->strip_attributes = explode(',', $attribs);
			}
		}
		else
		{
			$this->strip_attributes = false;
		}
	}

	public function strip_comments($strip = false)
	{
		$this->strip_comments = (bool) $strip;
	}

	public function set_output_encoding($encoding = 'UTF-8')
	{
		$this->output_encoding = (string) $encoding;
	}

	
	public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
	{
		$this->replace_url_attributes = (array) $element_attribute;
	}

	public function sanitize($data, $type, $base = '')
	{
		$data = trim($data);
		if ($data !== '' || $type & SIMPLEPIE_CONSTRUCT_IRI)
		{
			if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML)
			{
				if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data))
				{
					$type |= SIMPLEPIE_CONSTRUCT_HTML;
				}
				else
				{
					$type |= SIMPLEPIE_CONSTRUCT_TEXT;
				}
			}

			if ($type & SIMPLEPIE_CONSTRUCT_BASE64)
			{
				$data = base64_decode($data);
			}

			if ($type & SIMPLEPIE_CONSTRUCT_XHTML)
			{
				if ($this->remove_div)
				{
					$data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '', $data);
					$data = preg_replace('/<\/div>$/', '', $data);
				}
				else
				{
					$data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '<div>', $data);
				}
			}

			if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML))
			{
				
				if ($this->strip_comments)
				{
					$data = SimplePie_Misc::strip_comments($data);
				}

				
				
				
				if ($this->strip_htmltags)
				{
					foreach ($this->strip_htmltags as $tag)
					{
						$pcre = "/<($tag)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$tag" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>|(\/)?>)/siU';
						while (preg_match($pcre, $data))
						{
							$data = preg_replace_callback($pcre, array(&$this, 'do_strip_htmltags'), $data);
						}
					}
				}

				if ($this->strip_attributes)
				{
					foreach ($this->strip_attributes as $attrib)
					{
						$data = preg_replace('/(<[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*)' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . trim($attrib) . '(?:\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>/', '\1\2\3>', $data);
					}
				}

				
				$this->base = $base;
				foreach ($this->replace_url_attributes as $element => $attributes)
				{
					$data = $this->replace_urls($data, $element, $attributes);
				}

				
				if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache)
				{
					$images = SimplePie_Misc::get_element('img', $data);
					foreach ($images as $img)
					{
						if (isset($img['attribs']['src']['data']))
						{
							$image_url = call_user_func($this->cache_name_function, $img['attribs']['src']['data']);
							$cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $image_url, 'spi');

							if ($cache->load())
							{
								$img['attribs']['src']['data'] = $this->image_handler . $image_url;
								$data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
							}
							else
							{
								$file = new $this->file_class($img['attribs']['src']['data'], $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen);
								$headers = $file->headers;

								if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
								{
									if ($cache->save(array('headers' => $file->headers, 'body' => $file->body)))
									{
										$img['attribs']['src']['data'] = $this->image_handler . $image_url;
										$data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
									}
									else
									{
										trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
									}
								}
							}
						}
					}
				}

				
				$data = trim($data);
			}

			if ($type & SIMPLEPIE_CONSTRUCT_IRI)
			{
				$data = SimplePie_Misc::absolutize_url($data, $base);
			}

			if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI))
			{
				$data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8');
			}

			if ($this->output_encoding !== 'UTF-8')
			{
				$data = SimplePie_Misc::change_encoding($data, 'UTF-8', $this->output_encoding);
			}
		}
		return $data;
	}

	public function replace_urls($data, $tag, $attributes)
	{
		if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags))
		{
			$elements = SimplePie_Misc::get_element($tag, $data);
			foreach ($elements as $element)
			{
				if (is_array($attributes))
				{
					foreach ($attributes as $attribute)
					{
						if (isset($element['attribs'][$attribute]['data']))
						{
							$element['attribs'][$attribute]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attribute]['data'], $this->base);
							$new_element = SimplePie_Misc::element_implode($element);
							$data = str_replace($element['full'], $new_element, $data);
							$element['full'] = $new_element;
						}
					}
				}
				elseif (isset($element['attribs'][$attributes]['data']))
				{
					$element['attribs'][$attributes]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attributes]['data'], $this->base);
					$data = str_replace($element['full'], SimplePie_Misc::element_implode($element), $data);
				}
			}
		}
		return $data;
	}

	public function do_strip_htmltags($match)
	{
		if ($this->encode_instead_of_strip)
		{
			if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
			{
				$match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8');
				$match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8');
				return "&lt;$match[1]$match[2]&gt;$match[3]&lt;/$match[1]&gt;";
			}
			else
			{
				return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8');
			}
		}
		elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
		{
			return $match[4];
		}
		else
		{
			return '';
		}
	}
}




class SimplePie_Source
{
	var $item;
	var $data = array();

	public function __construct($item, $data)
	{
		$this->item = $item;
		$this->data = $data;
	}

	public function __toString()
	{
		return md5(serialize($this->data));
	}

	public function get_source_tags($namespace, $tag)
	{
		if (isset($this->data['child'][$namespace][$tag]))
		{
			return $this->data['child'][$namespace][$tag];
		}
		else
		{
			return null;
		}
	}

	public function get_base($element = array())
	{
		return $this->item->get_base($element);
	}

	public function sanitize($data, $type, $base = '')
	{
		return $this->item->sanitize($data, $type, $base);
	}

	public function get_item()
	{
		return $this->item;
	}

	public function get_title()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_category($key = 0)
	{
		$categories = $this->get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_categories()
	{
		$categories = array();

		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
		{
			$term = null;
			$scheme = null;
			$label = null;
			if (isset($category['attribs']['']['term']))
			{
				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['scheme']))
			{
				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['label']))
			{
				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			$categories[] = new $this->item->feed->category_class($term, $scheme, $label);
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
		{
			
			
			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			if (isset($category['attribs']['']['domain']))
			{
				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$scheme = null;
			}
			$categories[] = new $this->item->feed->category_class($term, $scheme, null);
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
		{
			$categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
		{
			$categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}

		if (!empty($categories))
		{
			return SimplePie_Misc::array_unique($categories);
		}
		else
		{
			return null;
		}
	}

	public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_authors()
	{
		$authors = array();
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$authors[] = new $this->item->feed->author_class($name, $uri, $email);
			}
		}
		if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$authors[] = new $this->item->feed->author_class($name, $url, $email);
			}
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
		{
			$authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
		{
			$authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
		{
			$authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
		}

		if (!empty($authors))
		{
			return SimplePie_Misc::array_unique($authors);
		}
		else
		{
			return null;
		}
	}

	public function get_contributor($key = 0)
	{
		$contributors = $this->get_contributors();
		if (isset($contributors[$key]))
		{
			return $contributors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_contributors()
	{
		$contributors = array();
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$contributors[] = new $this->item->feed->author_class($name, $uri, $email);
			}
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$contributors[] = new $this->item->feed->author_class($name, $url, $email);
			}
		}

		if (!empty($contributors))
		{
			return SimplePie_Misc::array_unique($contributors);
		}
		else
		{
			return null;
		}
	}

	public function get_link($key = 0, $rel = 'alternate')
	{
		$links = $this->get_links($rel);
		if (isset($links[$key]))
		{
			return $links[$key];
		}
		else
		{
			return null;
		}
	}

	
	public function get_permalink()
	{
		return $this->get_link(0);
	}

	public function get_links($rel = 'alternate')
	{
		if (!isset($this->data['links']))
		{
			$this->data['links'] = array();
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
			{
				foreach ($links as $link)
				{
					if (isset($link['attribs']['']['href']))
					{
						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					}
				}
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
			{
				foreach ($links as $link)
				{
					if (isset($link['attribs']['']['href']))
					{
						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

					}
				}
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}

			$keys = array_keys($this->data['links']);
			foreach ($keys as $key)
			{
				if (SimplePie_Misc::is_isegment_nz_nc($key))
				{
					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
					}
					else
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
					}
				}
				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
				{
					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
				}
				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
			}
		}

		if (isset($this->data['links'][$rel]))
		{
			return $this->data['links'][$rel];
		}
		else
		{
			return null;
		}
	}

	public function get_description()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}

	public function get_copyright()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
		{
			return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_language()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this->data['xml_lang']))
		{
			return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_latitude()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[1];
		}
		else
		{
			return null;
		}
	}

	public function get_longitude()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
		{
			return (float) $return[0]['data'];
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[2];
		}
		else
		{
			return null;
		}
	}

	public function get_image_url()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
		{
			return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}
}






class SimplePie_XML_Declaration_Parser
{
	
	var $version = '1.0';

	
	var $encoding = 'UTF-8';

	
	var $standalone = false;

	
	var $state = 'before_version_name';

	
	var $data = '';

	
	var $data_length = 0;

	
	var $position = 0;

	
	public function __construct($data)
	{
		$this->data = $data;
		$this->data_length = strlen($this->data);
	}

	
	public function parse()
	{
		while ($this->state && $this->state !== 'emit' && $this->has_data())
		{
			$state = $this->state;
			$this->$state();
		}
		$this->data = '';
		if ($this->state === 'emit')
		{
			return true;
		}
		else
		{
			$this->version = '';
			$this->encoding = '';
			$this->standalone = '';
			return false;
		}
	}

	
	public function has_data()
	{
		return (bool) ($this->position < $this->data_length);
	}

	
	public function skip_whitespace()
	{
		$whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
		$this->position += $whitespace;
		return $whitespace;
	}

	
	public function get_value()
	{
		$quote = substr($this->data, $this->position, 1);
		if ($quote === '"' || $quote === "'")
		{
			$this->position++;
			$len = strcspn($this->data, $quote, $this->position);
			if ($this->has_data())
			{
				$value = substr($this->data, $this->position, $len);
				$this->position += $len + 1;
				return $value;
			}
		}
		return false;
	}

	public function before_version_name()
	{
		if ($this->skip_whitespace())
		{
			$this->state = 'version_name';
		}
		else
		{
			$this->state = false;
		}
	}

	public function version_name()
	{
		if (substr($this->data, $this->position, 7) === 'version')
		{
			$this->position += 7;
			$this->skip_whitespace();
			$this->state = 'version_equals';
		}
		else
		{
			$this->state = false;
		}
	}

	public function version_equals()
	{
		if (substr($this->data, $this->position, 1) === '=')
		{
			$this->position++;
			$this->skip_whitespace();
			$this->state = 'version_value';
		}
		else
		{
			$this->state = false;
		}
	}

	public function version_value()
	{
		if ($this->version = $this->get_value())
		{
			$this->skip_whitespace();
			if ($this->has_data())
			{
				$this->state = 'encoding_name';
			}
			else
			{
				$this->state = 'emit';
			}
		}
		else
		{
			$this->state = false;
		}
	}

	public function encoding_name()
	{
		if (substr($this->data, $this->position, 8) === 'encoding')
		{
			$this->position += 8;
			$this->skip_whitespace();
			$this->state = 'encoding_equals';
		}
		else
		{
			$this->state = 'standalone_name';
		}
	}

	public function encoding_equals()
	{
		if (substr($this->data, $this->position, 1) === '=')
		{
			$this->position++;
			$this->skip_whitespace();
			$this->state = 'encoding_value';
		}
		else
		{
			$this->state = false;
		}
	}

	public function encoding_value()
	{
		if ($this->encoding = $this->get_value())
		{
			$this->skip_whitespace();
			if ($this->has_data())
			{
				$this->state = 'standalone_name';
			}
			else
			{
				$this->state = 'emit';
			}
		}
		else
		{
			$this->state = false;
		}
	}

	public function standalone_name()
	{
		if (substr($this->data, $this->position, 10) === 'standalone')
		{
			$this->position += 10;
			$this->skip_whitespace();
			$this->state = 'standalone_equals';
		}
		else
		{
			$this->state = false;
		}
	}

	public function standalone_equals()
	{
		if (substr($this->data, $this->position, 1) === '=')
		{
			$this->position++;
			$this->skip_whitespace();
			$this->state = 'standalone_value';
		}
		else
		{
			$this->state = false;
		}
	}

	public function standalone_value()
	{
		if ($standalone = $this->get_value())
		{
			switch ($standalone)
			{
				case 'yes':
					$this->standalone = true;
					break;

				case 'no':
					$this->standalone = false;
					break;

				default:
					$this->state = false;
					return;
			}

			$this->skip_whitespace();
			if ($this->has_data())
			{
				$this->state = false;
			}
			else
			{
				$this->state = 'emit';
			}
		}
		else
		{
			$this->state = false;
		}
	}
}
