update SimplePie library to 1.2.1

author: Pascal Chevrel <pascal@chevrel.org> 2012-02-26 18:01:27 +0100
committer: Pascal Chevrel <pascal@chevrel.org> 2012-02-26 18:01:27 +0100
commit: 61bcf3141e0e2b88291c8dd5915de4c947a06be3 (patch)
tree: c581bf34e4db583b05147a81a310d2f69cc994cb /app/lib
parent: 1e217f64da4aa6e4c5ff770ff08bb09ca4da35c3 (diff)
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1 files changed, 14736 insertions, 14438 deletions
diff --git a/app/lib/simplepie/simplepie.inc b/app/lib/simplepie/simplepie.inc
index 45c33c8..e424828 100644
--- a/app/lib/simplepie/simplepie.inc
+++ b/app/lib/simplepie/simplepie.inc
@@ -5,22 +5,22 @@
  * 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 and Geoffrey Sneddon
+ * Copyright (c) 2004-2011, 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 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.
+ *  * 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.
+ *  * 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
@@ -33,10 +33,11 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @version 1.2
- * @copyright 2004-2009 Ryan Parman, Geoffrey Sneddon
+ * @version 1.2.1
+ * @copyright 2004-2011 Ryan Parman, Geoffrey Sneddon, Ryan McCue
  * @author Ryan Parman
  * @author Geoffrey Sneddon
+ * @author Ryan McCue
  * @link http://simplepie.org/ SimplePie
  * @link http://simplepie.org/support/ Please submit all bug reports and feature requests to the SimplePie forums
  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
@@ -51,12 +52,12 @@ define('SIMPLEPIE_NAME', 'SimplePie');
 /**
  * SimplePie Version
  */
-define('SIMPLEPIE_VERSION', '1.2');
+define('SIMPLEPIE_VERSION', '1.2.1-dev');
 
 /**
  * SimplePie Build
  */
-define('SIMPLEPIE_BUILD', '20090627192103');
+define('SIMPLEPIE_BUILD', '20111015034325');
 
 /**
  * SimplePie Website URL
@@ -394,7237 +395,7248 @@ define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
  */
 class SimplePie
 {
-	/**
-	 * @var array Raw data
-	 * @access private
-	 */
-	var $data = array();
-
-	/**
-	 * @var mixed Error string
-	 * @access private
-	 */
-	var $error;
-
-	/**
-	 * @var object Instance of SimplePie_Sanitize (or other class)
-	 * @see SimplePie::set_sanitize_class()
-	 * @access private
-	 */
-	var $sanitize;
-
-	/**
-	 * @var string SimplePie Useragent
-	 * @see SimplePie::set_useragent()
-	 * @access private
-	 */
-	var $useragent = SIMPLEPIE_USERAGENT;
-
-	/**
-	 * @var string Feed URL
-	 * @see SimplePie::set_feed_url()
-	 * @access private
-	 */
-	var $feed_url;
-
-	/**
-	 * @var object Instance of SimplePie_File to use as a feed
-	 * @see SimplePie::set_file()
-	 * @access private
-	 */
-	var $file;
-
-	/**
-	 * @var string Raw feed data
-	 * @see SimplePie::set_raw_data()
-	 * @access private
-	 */
-	var $raw_data;
-
-	/**
-	 * @var int Timeout for fetching remote files
-	 * @see SimplePie::set_timeout()
-	 * @access private
-	 */
-	var $timeout = 10;
-
-	/**
-	 * @var bool Forces fsockopen() to be used for remote files instead
-	 * of cURL, even if a new enough version is installed
-	 * @see SimplePie::force_fsockopen()
-	 * @access private
-	 */
-	var $force_fsockopen = false;
-
-	/**
-	 * @var bool Force the given data/URL to be treated as a feed no matter what
-	 * it appears like
-	 * @see SimplePie::force_feed()
-	 * @access private
-	 */
-	var $force_feed = false;
-
-	/**
-	 * @var bool Enable/Disable XML dump
-	 * @see SimplePie::enable_xml_dump()
-	 * @access private
-	 */
-	var $xml_dump = false;
-
-	/**
-	 * @var bool Enable/Disable Caching
-	 * @see SimplePie::enable_cache()
-	 * @access private
-	 */
-	var $cache = true;
-
-	/**
-	 * @var int Cache duration (in seconds)
-	 * @see SimplePie::set_cache_duration()
-	 * @access private
-	 */
-	var $cache_duration = 3600;
-
-	/**
-	 * @var int Auto-discovery cache duration (in seconds)
-	 * @see SimplePie::set_autodiscovery_cache_duration()
-	 * @access private
-	 */
-	var $autodiscovery_cache_duration = 604800; // 7 Days.
-
-	/**
-	 * @var string Cache location (relative to executing script)
-	 * @see SimplePie::set_cache_location()
-	 * @access private
-	 */
-	var $cache_location = './cache';
-
-	/**
-	 * @var string Function that creates the cache filename
-	 * @see SimplePie::set_cache_name_function()
-	 * @access private
-	 */
-	var $cache_name_function = 'md5';
-
-	/**
-	 * @var bool Reorder feed by date descending
-	 * @see SimplePie::enable_order_by_date()
-	 * @access private
-	 */
-	var $order_by_date = true;
-
-	/**
-	 * @var mixed Force input encoding to be set to the follow value
-	 * (false, or anything type-cast to false, disables this feature)
-	 * @see SimplePie::set_input_encoding()
-	 * @access private
-	 */
-	var $input_encoding = false;
-
-	/**
-	 * @var int Feed Autodiscovery Level
-	 * @see SimplePie::set_autodiscovery_level()
-	 * @access private
-	 */
-	var $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
-
-	/**
-	 * @var string Class used for caching feeds
-	 * @see SimplePie::set_cache_class()
-	 * @access private
-	 */
-	var $cache_class = 'SimplePie_Cache';
-
-	/**
-	 * @var string Class used for locating feeds
-	 * @see SimplePie::set_locator_class()
-	 * @access private
-	 */
-	var $locator_class = 'SimplePie_Locator';
-
-	/**
-	 * @var string Class used for parsing feeds
-	 * @see SimplePie::set_parser_class()
-	 * @access private
-	 */
-	var $parser_class = 'SimplePie_Parser';
-
-	/**
-	 * @var string Class used for fetching feeds
-	 * @see SimplePie::set_file_class()
-	 * @access private
-	 */
-	var $file_class = 'SimplePie_File';
-
-	/**
-	 * @var string Class used for items
-	 * @see SimplePie::set_item_class()
-	 * @access private
-	 */
-	var $item_class = 'SimplePie_Item';
-
-	/**
-	 * @var string Class used for authors
-	 * @see SimplePie::set_author_class()
-	 * @access private
-	 */
-	var $author_class = 'SimplePie_Author';
-
-	/**
-	 * @var string Class used for categories
-	 * @see SimplePie::set_category_class()
-	 * @access private
-	 */
-	var $category_class = 'SimplePie_Category';
-
-	/**
-	 * @var string Class used for enclosures
-	 * @see SimplePie::set_enclosures_class()
-	 * @access private
-	 */
-	var $enclosure_class = 'SimplePie_Enclosure';
-
-	/**
-	 * @var string Class used for Media RSS <media:text> captions
-	 * @see SimplePie::set_caption_class()
-	 * @access private
-	 */
-	var $caption_class = 'SimplePie_Caption';
-
-	/**
-	 * @var string Class used for Media RSS <media:copyright>
-	 * @see SimplePie::set_copyright_class()
-	 * @access private
-	 */
-	var $copyright_class = 'SimplePie_Copyright';
-
-	/**
-	 * @var string Class used for Media RSS <media:credit>
-	 * @see SimplePie::set_credit_class()
-	 * @access private
-	 */
-	var $credit_class = 'SimplePie_Credit';
-
-	/**
-	 * @var string Class used for Media RSS <media:rating>
-	 * @see SimplePie::set_rating_class()
-	 * @access private
-	 */
-	var $rating_class = 'SimplePie_Rating';
-
-	/**
-	 * @var string Class used for Media RSS <media:restriction>
-	 * @see SimplePie::set_restriction_class()
-	 * @access private
-	 */
-	var $restriction_class = 'SimplePie_Restriction';
-
-	/**
-	 * @var string Class used for content-type sniffing
-	 * @see SimplePie::set_content_type_sniffer_class()
-	 * @access private
-	 */
-	var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
-
-	/**
-	 * @var string Class used for item sources.
-	 * @see SimplePie::set_source_class()
-	 * @access private
-	 */
-	var $source_class = 'SimplePie_Source';
-
-	/**
-	 * @var mixed Set javascript query string parameter (false, or
-	 * anything type-cast to false, disables this feature)
-	 * @see SimplePie::set_javascript()
-	 * @access private
-	 */
-	var $javascript = 'js';
-
-	/**
-	 * @var int Maximum number of feeds to check with autodiscovery
-	 * @see SimplePie::set_max_checked_feeds()
-	 * @access private
-	 */
-	var $max_checked_feeds = 10;
-
-	/**
-	 * @var array All the feeds found during the autodiscovery process
-	 * @see SimplePie::get_all_discovered_feeds()
-	 * @access private
-	 */
-	var $all_discovered_feeds = array();
-
-	/**
-	 * @var string Web-accessible path to the handler_favicon.php file.
-	 * @see SimplePie::set_favicon_handler()
-	 * @access private
-	 */
-	var $favicon_handler = '';
-
-	/**
-	 * @var string Web-accessible path to the handler_image.php file.
-	 * @see SimplePie::set_image_handler()
-	 * @access private
-	 */
-	var $image_handler = '';
-
-	/**
-	 * @var array Stores the URLs when multiple feeds are being initialized.
-	 * @see SimplePie::set_feed_url()
-	 * @access private
-	 */
-	var $multifeed_url = array();
-
-	/**
-	 * @var array Stores SimplePie objects when multiple feeds initialized.
-	 * @access private
-	 */
-	var $multifeed_objects = array();
-
-	/**
-	 * @var array Stores the get_object_vars() array for use with multifeeds.
-	 * @see SimplePie::set_feed_url()
-	 * @access private
-	 */
-	var $config_settings = null;
-
-	/**
-	 * @var integer Stores the number of items to return per-feed with multifeeds.
-	 * @see SimplePie::set_item_limit()
-	 * @access private
-	 */
-	var $item_limit = 0;
-
-	/**
-	 * @var array Stores the default attributes to be stripped by strip_attributes().
-	 * @see SimplePie::strip_attributes()
-	 * @access private
-	 */
-	var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
-
-	/**
-	 * @var array Stores the default tags to be stripped by strip_htmltags().
-	 * @see SimplePie::strip_htmltags()
-	 * @access private
-	 */
-	var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
-
-	/**
-	 * The SimplePie class contains feed level data and options
-	 *
-	 * There are two ways that you can create a new SimplePie object. The first
-	 * is by passing a feed URL as a parameter to the SimplePie constructor
-	 * (as well as optionally setting the cache location and cache expiry). This
-	 * will initialise the whole feed with all of the default settings, and you
-	 * can begin accessing methods and properties immediately.
-	 *
-	 * The second way is to create the SimplePie object with no parameters
-	 * at all. This will enable you to set configuration options. After setting
-	 * them, you must initialise the feed using $feed->init(). At that point the
-	 * object's methods and properties will be available to you. This format is
-	 * what is used throughout this documentation.
-	 *
-	 * @access public
-	 * @since 1.0 Preview Release
-	 * @param string $feed_url This is the URL you want to parse.
-	 * @param string $cache_location This is where you want the cache to be stored.
-	 * @param int $cache_duration This is the number of seconds that you want to store the cache file for.
-	 */
-	function SimplePie($feed_url = null, $cache_location = null, $cache_duration = null)
-	{
-		// Other objects, instances created here so we can set options on them
-		$this->sanitize =& new SimplePie_Sanitize;
-
-		// Set options if they're passed to the constructor
-		if ($cache_location !== null)
-		{
-			$this->set_cache_location($cache_location);
-		}
-
-		if ($cache_duration !== null)
-		{
-			$this->set_cache_duration($cache_duration);
-		}
-
-		// Only init the script if we're passed a feed URL
-		if ($feed_url !== null)
-		{
-			$this->set_feed_url($feed_url);
-			$this->init();
-		}
-	}
-
-	/**
-	 * Used for converting object to a string
-	 */
-	function __toString()
-	{
-		return md5(serialize($this->data));
-	}
-
-	/**
-	 * Remove items that link back to this before destroying this object
-	 */
-	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']);
-			}
-		}
-	}
-
-	/**
-	 * Force the given data/URL to be treated as a feed no matter what it
-	 * appears like
-	 *
-	 * @access public
-	 * @since 1.1
-	 * @param bool $enable Force the given data/URL to be treated as a feed
-	 */
-	function force_feed($enable = false)
-	{
-		$this->force_feed = (bool) $enable;
-	}
-
-	/**
-	 * This is the URL of the feed you want to parse.
-	 *
-	 * This allows you to enter the URL of the feed you want to parse, or the
-	 * website you want to try to use auto-discovery on. This takes priority
-	 * over any set raw data.
-	 *
-	 * You can set multiple feeds to mash together by passing an array instead
-	 * of a string for the $url. Remember that with each additional feed comes
-	 * additional processing and resources.
-	 *
-	 * @access public
-	 * @since 1.0 Preview Release
-	 * @param mixed $url This is the URL (or array of URLs) that you want to parse.
-	 * @see SimplePie::set_raw_data()
-	 */
-	function set_feed_url($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);
-		}
-	}
-
-	/**
-	 * Provides an instance of SimplePie_File to use as a feed
-	 *
-	 * @access public
-	 * @param object &$file Instance of SimplePie_File (or subclass)
-	 * @return bool True on success, false on failure
-	 */
-	function set_file(&$file)
-	{
-		if (is_a($file, 'SimplePie_File'))
-		{
-			$this->feed_url = $file->url;
-			$this->file =& $file;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to use a string of RSS/Atom data instead of a remote feed.
-	 *
-	 * If you have a feed available as a string in PHP, you can tell SimplePie
-	 * to parse that data string instead of a remote feed. Any set feed URL
-	 * takes precedence.
-	 *
-	 * @access public
-	 * @since 1.0 Beta 3
-	 * @param string $data RSS or Atom data as a string.
-	 * @see SimplePie::set_feed_url()
-	 */
-	function set_raw_data($data)
-	{
-		$this->raw_data = $data;
-	}
-
-	/**
-	 * Allows you to override the default timeout for fetching remote feeds.
-	 *
-	 * This allows you to change the maximum time the feed's server to respond
-	 * and send the feed back.
-	 *
-	 * @access public
-	 * @since 1.0 Beta 3
-	 * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
-	 */
-	function set_timeout($timeout = 10)
-	{
-		$this->timeout = (int) $timeout;
-	}
-
-	/**
-	 * Forces SimplePie to use fsockopen() instead of the preferred cURL
-	 * functions.
-	 *
-	 * @access public
-	 * @since 1.0 Beta 3
-	 * @param bool $enable Force fsockopen() to be used
-	 */
-	function force_fsockopen($enable = false)
-	{
-		$this->force_fsockopen = (bool) $enable;
-	}
-
-	/**
-	 * Outputs the raw XML content of the feed, after it has gone through
-	 * SimplePie's filters.
-	 *
-	 * Used only for debugging, this function will output the XML content as
-	 * text/xml. When SimplePie reads in a feed, it does a bit of cleaning up
-	 * before trying to parse it. Many parts of the feed are re-written in
-	 * memory, and in the end, you have a parsable feed. XML dump shows you the
-	 * actual XML that SimplePie tries to parse, which may or may not be very
-	 * different from the original feed.
-	 *
-	 * @access public
-	 * @since 1.0 Preview Release
-	 * @param bool $enable Enable XML dump
-	 */
-	function enable_xml_dump($enable = false)
-	{
-		$this->xml_dump = (bool) $enable;
-	}
-
-	/**
-	 * Enables/disables caching in SimplePie.
-	 *
-	 * This option allows you to disable caching all-together in SimplePie.
-	 * However, disabling the cache can lead to longer load times.
-	 *
-	 * @access public
-	 * @since 1.0 Preview Release
-	 * @param bool $enable Enable caching
-	 */
-	function enable_cache($enable = true)
-	{
-		$this->cache = (bool) $enable;
-	}
-
-	/**
-	 * Set the length of time (in seconds) that the contents of a feed
-	 * will be cached.
-	 *
-	 * @access public
-	 * @param int $seconds The feed content cache duration.
-	 */
-	function set_cache_duration($seconds = 3600)
-	{
-		$this->cache_duration = (int) $seconds;
-	}
-
-	/**
-	 * Set the length of time (in seconds) that the autodiscovered feed
-	 * URL will be cached.
-	 *
-	 * @access public
-	 * @param int $seconds The autodiscovered feed URL cache duration.
-	 */
-	function set_autodiscovery_cache_duration($seconds = 604800)
-	{
-		$this->autodiscovery_cache_duration = (int) $seconds;
-	}
-
-	/**
-	 * Set the file system location where the cached files should be stored.
-	 *
-	 * @access public
-	 * @param string $location The file system location.
-	 */
-	function set_cache_location($location = './cache')
-	{
-		$this->cache_location = (string) $location;
-	}
-
-	/**
-	 * Determines whether feed items should be sorted into reverse chronological order.
-	 *
-	 * @access public
-	 * @param bool $enable Sort as reverse chronological order.
-	 */
-	function enable_order_by_date($enable = true)
-	{
-		$this->order_by_date = (bool) $enable;
-	}
-
-	/**
-	 * Allows you to override the character encoding reported by the feed.
-	 *
-	 * @access public
-	 * @param string $encoding Character encoding.
-	 */
-	function set_input_encoding($encoding = false)
-	{
-		if ($encoding)
-		{
-			$this->input_encoding = (string) $encoding;
-		}
-		else
-		{
-			$this->input_encoding = false;
-		}
-	}
-
-	/**
-	 * Set how much feed autodiscovery to do
-	 *
-	 * @access public
-	 * @see SIMPLEPIE_LOCATOR_NONE
-	 * @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
-	 * @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
-	 * @see SIMPLEPIE_LOCATOR_LOCAL_BODY
-	 * @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
-	 * @see SIMPLEPIE_LOCATOR_REMOTE_BODY
-	 * @see SIMPLEPIE_LOCATOR_ALL
-	 * @param int $level Feed Autodiscovery Level (level can be a
-	 * combination of the above constants, see bitwise OR operator)
-	 */
-	function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
-	{
-		$this->autodiscovery = (int) $level;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for caching.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_cache_class($class = 'SimplePie_Cache')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
-		{
-			$this->cache_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for auto-discovery.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_locator_class($class = 'SimplePie_Locator')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
-		{
-			$this->locator_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for XML parsing.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_parser_class($class = 'SimplePie_Parser')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
-		{
-			$this->parser_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for remote file fetching.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_file_class($class = 'SimplePie_File')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
-		{
-			$this->file_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for data sanitization.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_sanitize_class($class = 'SimplePie_Sanitize')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
-		{
-			$this->sanitize =& new $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for handling feed items.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_item_class($class = 'SimplePie_Item')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
-		{
-			$this->item_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for handling author data.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_author_class($class = 'SimplePie_Author')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
-		{
-			$this->author_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for handling category data.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_category_class($class = 'SimplePie_Category')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
-		{
-			$this->category_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for feed enclosures.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_enclosure_class($class = 'SimplePie_Enclosure')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
-		{
-			$this->enclosure_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for <media:text> captions
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_caption_class($class = 'SimplePie_Caption')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
-		{
-			$this->caption_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for <media:copyright>
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_copyright_class($class = 'SimplePie_Copyright')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
-		{
-			$this->copyright_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for <media:credit>
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_credit_class($class = 'SimplePie_Credit')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
-		{
-			$this->credit_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for <media:rating>
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_rating_class($class = 'SimplePie_Rating')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
-		{
-			$this->rating_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for <media:restriction>
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_restriction_class($class = 'SimplePie_Restriction')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
-		{
-			$this->restriction_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses for content-type sniffing.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_content_type_sniffer_class($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;
-	}
-
-	/**
-	 * Allows you to change which class SimplePie uses item sources.
-	 * Useful when you are overloading or extending SimplePie's default classes.
-	 *
-	 * @access public
-	 * @param string $class Name of custom class.
-	 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
-	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
-	 */
-	function set_source_class($class = 'SimplePie_Source')
-	{
-		if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
-		{
-			$this->source_class = $class;
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Allows you to override the default user agent string.
-	 *
-	 * @access public
-	 * @param string $ua New user agent string.
-	 */
-	function set_useragent($ua = SIMPLEPIE_USERAGENT)
-	{
-		$this->useragent = (string) $ua;
-	}
-
-	/**
-	 * Set callback function to create cache filename with
-	 *
-	 * @access public
-	 * @param mixed $function Callback function
-	 */
-	function set_cache_name_function($function = 'md5')
-	{
-		if (is_callable($function))
-		{
-			$this->cache_name_function = $function;
-		}
-	}
-
-	/**
-	 * Set javascript query string parameter
-	 *
-	 * @access public
-	 * @param mixed $get Javascript query string parameter
-	 */
-	function set_javascript($get = 'js')
-	{
-		if ($get)
-		{
-			$this->javascript = (string) $get;
-		}
-		else
-		{
-			$this->javascript = false;
-		}
-	}
-
-	/**
-	 * Set options to make SP as fast as possible.  Forgoes a
-	 * substantial amount of data sanitization in favor of speed.
-	 *
-	 * @access public
-	 * @param bool $set Whether to set them or not
-	 */
-	function set_stupidly_fast($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);
-		}
-	}
-
-	/**
-	 * Set maximum number of feeds to check with autodiscovery
-	 *
-	 * @access public
-	 * @param int $max Maximum number of feeds to check
-	 */
-	function set_max_checked_feeds($max = 10)
-	{
-		$this->max_checked_feeds = (int) $max;
-	}
-
-	function remove_div($enable = true)
-	{
-		$this->sanitize->remove_div($enable);
-	}
-
-	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);
-		}
-	}
-
-	function encode_instead_of_strip($enable = true)
-	{
-		$this->sanitize->encode_instead_of_strip($enable);
-	}
-
-	function strip_attributes($attribs = '')
-	{
-		if ($attribs === '')
-		{
-			$attribs = $this->strip_attributes;
-		}
-		$this->sanitize->strip_attributes($attribs);
-	}
-
-	function set_output_encoding($encoding = 'UTF-8')
-	{
-		$this->sanitize->set_output_encoding($encoding);
-	}
-
-	function strip_comments($strip = false)
-	{
-		$this->sanitize->strip_comments($strip);
-	}
-
-	/**
-	 * Set element/attribute key/value pairs of HTML attributes
-	 * containing URLs that need to be resolved relative to the feed
-	 *
-	 * @access public
-	 * @since 1.0
-	 * @param array $element_attribute Element/attribute key/value pairs
-	 */
-	function set_url_replacements($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);
-	}
-
-	/**
-	 * Set the handler to enable the display of cached favicons.
-	 *
-	 * @access public
-	 * @param str $page Web-accessible path to the handler_favicon.php file.
-	 * @param str $qs The query string that the value should be passed to.
-	 */
-	function set_favicon_handler($page = false, $qs = 'i')
-	{
-		if ($page !== false)
-		{
-			$this->favicon_handler = $page . '?' . $qs . '=';
-		}
-		else
-		{
-			$this->favicon_handler = '';
-		}
-	}
-
-	/**
-	 * Set the handler to enable the display of cached images.
-	 *
-	 * @access public
-	 * @param str $page Web-accessible path to the handler_image.php file.
-	 * @param str $qs The query string that the value should be passed to.
-	 */
-	function set_image_handler($page = false, $qs = 'i')
-	{
-		if ($page !== false)
-		{
-			$this->sanitize->set_image_handler($page . '?' . $qs . '=');
-		}
-		else
-		{
-			$this->image_handler = '';
-		}
-	}
-
-	/**
-	 * Set the limit for items returned per-feed with multifeeds.
-	 *
-	 * @access public
-	 * @param integer $limit The maximum number of items to return.
-	 */
-	function set_item_limit($limit = 0)
-	{
-		$this->item_limit = (int) $limit;
-	}
-
-	function init()
-	{
-		// Check absolute bare minimum requirements.
-		if ((function_exists('version_compare') && version_compare(PHP_VERSION, '4.3.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
-		{
-			return false;
-		}
-		// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
-		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;
-		}
-
-		// Pass whatever was set with config options over to the sanitizer.
-		$this->sanitize->pass_cache_data($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->data = array();
-			$this->multifeed_objects = array();
-			$cache = false;
-
-			if ($this->feed_url !== null)
-			{
-				$parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
-				// Decide whether to enable caching
-				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, $this->feed_url), 'spc');
-				}
-				// If it's enabled and we don't want an XML dump, use the cache
-				if ($cache && !$this->xml_dump)
-				{
-					// Load the Cache
-					$this->data = $cache->load();
-					if (!empty($this->data))
-					{
-						// If the cache is for an outdated build of SimplePie
-						if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
-						{
-							$cache->unlink();
-							$this->data = array();
-						}
-						// If we've hit a collision just rerun it with caching disabled
-						elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
-						{
-							$cache = false;
-							$this->data = array();
-						}
-						// If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
-						elseif (isset($this->data['feed_url']))
-						{
-							// If the autodiscovery cache is still valid use it.
-							if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
-							{
-								// Do not need to do feed autodiscovery yet.
-								if ($this->data['feed_url'] === $this->data['url'])
-								{
-									$cache->unlink();
-									$this->data = array();
-								}
-								else
-								{
-									$this->set_feed_url($this->data['feed_url']);
-									return $this->init();
-								}
-							}
-						}
-						// Check if the cache has been updated
-						elseif ($cache->mtime() + $this->cache_duration < time())
-						{
-							// If we have last-modified and/or etag set
-							if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
-							{
-								$headers = array();
-								if (isset($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);
-								}
-							}
-						}
-						// If the cache is still valid, just return true
-						else
-						{
-							return true;
-						}
-					}
-					// If the cache is empty, delete it
-					else
-					{
-						$cache->unlink();
-						$this->data = array();
-					}
-				}
-				// If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
-				if (!isset($file))
-				{
-					if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url)
-					{
-						$file =& $this->file;
-					}
-					else
-					{
-						$file =& new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
-					}
-				}
-				// If the file connection has an error, set SimplePie::error to that and quit
-				if (!$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)
-				{
-					// Check if the supplied URL is a feed, if it isn't, look for it.
-					$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($file))
-					{
-						// We need to unset this so that if SimplePie::set_file() has been called that object is untouched
-						unset($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", 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 $this->feed_url";
-							SimplePie_Misc::error($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;
-			}
-
-			// Set up array of possible encodings
-			$encodings = array();
-
-			// First check to see if input has been overridden.
-			if ($this->input_encoding !== false)
-			{
-				$encodings[] = $this->input_encoding;
-			}
-
-			$application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
-			$text_types = array('text/xml', 'text/xml-external-parsed-entity');
-
-			// RFC 3023 (only applies to sniffed content)
-			if (isset($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];
-					}
-					$encodings[] = 'US-ASCII';
-				}
-				// Text MIME-type default
-				elseif (substr($sniffed, 0, 5) === 'text/')
-				{
-					$encodings[] = 'US-ASCII';
-				}
-			}
-
-			// Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
-			$encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
-			$encodings[] = 'UTF-8';
-			$encodings[] = 'ISO-8859-1';
-
-			// There's no point in trying an encoding twice
-			$encodings = array_unique($encodings);
-
-			// If we want the XML, just output that with the most likely encoding and quit
-			if ($this->xml_dump)
-			{
-				header('Content-type: text/xml; charset=' . $encodings[0]);
-				echo $data;
-				exit;
-			}
-
-			// Loop through each possible encoding, till we return something, or run out of possibilities
-			foreach ($encodings as $encoding)
-			{
-				// Change the encoding to UTF-8 (as we always use UTF-8 internally)
-				if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'))
-				{
-					// Create new parser
-					$parser =& new $this->parser_class();
-
-					// If it's parsed fine
-					if ($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;
-							}
-							$this->data['build'] = SIMPLEPIE_BUILD;
-
-							// Cache the file if caching is enabled
-							if ($cache && !$cache->save($this))
-							{
-								trigger_error("$cache->name is not writeable", E_USER_WARNING);
-							}
-							return true;
-						}
-						else
-						{
-							$this->error = "A feed could not be found at $this->feed_url";
-							SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
-							return false;
-						}
-					}
-				}
-			}
-			if(isset($parser))
-			{
-				// We have an error, just set SimplePie_Misc::error to it and quit
-				$this->error = sprintf('XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
-			}
-			else
-			{
-				$this->error = 'The data could not be converted to UTF-8';
-			}
-			SimplePie_Misc::error($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)
-			{
-				if (SIMPLEPIE_PHP5)
-				{
-					// This keyword needs to defy coding standards for PHP4 compatibility
-					$this->multifeed_objects[$i] = clone($this);
-				}
-				else
-				{
-					$this->multifeed_objects[$i] = $this;
-				}
-				$this->multifeed_objects[$i]->set_feed_url($url);
-				$success |= $this->multifeed_objects[$i]->init();
-				$i++;
-			}
-			return (bool) $success;
-		}
-		else
-		{
-			return false;
-		}
-	}
-
-	/**
-	 * Return the error message for the occured error
-	 *
-	 * @access public
-	 * @return string Error message
-	 */
-	function error()
-	{
-		return $this->error;
-	}
-
-	function get_encoding()
-	{
-		return $this->sanitize->output_encoding;
-	}
-
-	function handle_content_type($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);
-		}
-	}
-
-	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 $this->data['type'];
-	}
-
-	/**
-	 * Returns the URL for the favicon of the feed's website.
-	 *
-	 * @todo Cache atom:icon
-	 * @access public
-	 * @since 1.0
-	 */
-	function get_favicon()
-	{
-		if ($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 (($url = $this->get_link()) !== null && preg_match('/^http(s)?:\/\//i', $url))
-		{
-			$favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $url);
-
-			if ($this->cache && $this->favicon_handler)
-			{
-				$favicon_filename = call_user_func($this->cache_name_function, $favicon);
-				$cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $favicon_filename, 'spi');
-
-				if ($cache->load())
-				{
-					return $this->sanitize($this->favicon_handler . $favicon_filename, SIMPLEPIE_CONSTRUCT_IRI);
-				}
-				else
-				{
-					$file =& new $this->file_class($favicon, $this->timeout / 10, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen);
-
-					if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)) && strlen($file->body) > 0)
-					{
-						$sniffer =& new $this->content_type_sniffer_class($file);
-						if (substr($sniffer->get_type(), 0, 6) === 'image/')
-						{
-							if ($cache->save(array('headers' => $file->headers, 'body' => $file->body)))
-							{
-								return $this->sanitize($this->favicon_handler . $favicon_filename, SIMPLEPIE_CONSTRUCT_IRI);
-							}
-							else
-							{
-								trigger_error("$cache->name is not writeable", E_USER_WARNING);
-								return $this->sanitize($favicon, SIMPLEPIE_CONSTRUCT_IRI);
-							}
-						}
-						// not an image
-						else
-						{
-							return false;
-						}
-					}
-				}
-			}
-			else
-			{
-				return $this->sanitize($favicon, SIMPLEPIE_CONSTRUCT_IRI);
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * @todo If we have a perm redirect we should return the new URL
-	 * @todo When we make the above change, let's support <itunes:new-feed-url> as well
-	 * @todo Also, |atom:link|@rel=self
-	 */
-	function subscribe_url()
-	{
-		if ($this->feed_url !== null)
-		{
-			return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function subscribe_feed()
-	{
-		if ($this->feed_url !== null)
-		{
-			return $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 2), SIMPLEPIE_CONSTRUCT_IRI);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function subscribe_outlook()
-	{
-		if ($this->feed_url !== null)
-		{
-			return $this->sanitize('outlook' . SimplePie_Misc::fix_protocol($this->feed_url, 2), SIMPLEPIE_CONSTRUCT_IRI);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function subscribe_podcast()
-	{
-		if ($this->feed_url !== null)
-		{
-			return $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 3), SIMPLEPIE_CONSTRUCT_IRI);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function subscribe_itunes()
-	{
-		if ($this->feed_url !== null)
-		{
-			return $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 4), SIMPLEPIE_CONSTRUCT_IRI);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	/**
-	 * Creates the subscribe_* methods' return data
-	 *
-	 * @access private
-	 * @param string $feed_url String to prefix to the feed URL
-	 * @param string $site_url String to prefix to the site URL (and
-	 * suffix to the feed URL)
-	 * @return mixed URL if feed exists, false otherwise
-	 */
-	function subscribe_service($feed_url, $site_url = null)
-	{
-		if ($this->subscribe_url())
-		{
-			$return = $feed_url . rawurlencode($this->feed_url);
-			if ($site_url !== null && $this->get_link() !== null)
-			{
-				$return .= $site_url . rawurlencode($this->get_link());
-			}
-			return $this->sanitize($return, SIMPLEPIE_CONSTRUCT_IRI);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function subscribe_aol()
-	{
-		return $this->subscribe_service('http://feeds.my.aol.com/add.jsp?url=');
-	}
-
-	function subscribe_bloglines()
-	{
-		return $this->subscribe_service('http://www.bloglines.com/sub/');
-	}
-
-	function subscribe_eskobo()
-	{
-		return $this->subscribe_service('http://www.eskobo.com/?AddToMyPage=');
-	}
-
-	function subscribe_feedfeeds()
-	{
-		return $this->subscribe_service('http://www.feedfeeds.com/add?feed=');
-	}
-
-	function subscribe_feedster()
-	{
-		return $this->subscribe_service('http://www.feedster.com/myfeedster.php?action=addrss&confirm=no&rssurl=');
-	}
-
-	function subscribe_google()
-	{
-		return $this->subscribe_service('http://fusion.google.com/add?feedurl=');
-	}
-
-	function subscribe_gritwire()
-	{
-		return $this->subscribe_service('http://my.gritwire.com/feeds/addExternalFeed.aspx?FeedUrl=');
-	}
-
-	function subscribe_msn()
-	{
-		return $this->subscribe_service('http://my.msn.com/addtomymsn.armx?id=rss&ut=', '&ru=');
-	}
-
-	function subscribe_netvibes()
-	{
-		return $this->subscribe_service('http://www.netvibes.com/subscribe.php?url=');
-	}
-
-	function subscribe_newsburst()
-	{
-		return $this->subscribe_service('http://www.newsburst.com/Source/?add=');
-	}
-
-	function subscribe_newsgator()
-	{
-		return $this->subscribe_service('http://www.newsgator.com/ngs/subscriber/subext.aspx?url=');
-	}
-
-	function subscribe_odeo()
-	{
-		return $this->subscribe_service('http://www.odeo.com/listen/subscribe?feed=');
-	}
-
-	function subscribe_podnova()
-	{
-		return $this->subscribe_service('http://www.podnova.com/index_your_podcasts.srf?action=add&url=');
-	}
-
-	function subscribe_rojo()
-	{
-		return $this->subscribe_service('http://www.rojo.com/add-subscription?resource=');
-	}
-
-	function subscribe_yahoo()
-	{
-		return $this->subscribe_service('http://add.my.yahoo.com/rss?url=');
-	}
-
-	function get_feed_tags($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][$tag];
-			}
-		}
-		return null;
-	}
-
-	function get_channel_tags($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][$tag];
-				}
-			}
-		}
-		return null;
-	}
-
-	function get_image_tags($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][$tag];
-				}
-			}
-		}
-		return null;
-	}
-
-	function get_base($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 $this->subscribe_url();
-		}
-	}
-
-	function sanitize($data, $type, $base = '')
-	{
-		return $this->sanitize->sanitize($data, $type, $base);
-	}
-
-	function get_title()
-	{
-		if ($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;
-		}
-	}
-
-	function get_category($key = 0)
-	{
-		$categories = $this->get_categories();
-		if (isset($categories[$key]))
-		{
-			return $categories[$key];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	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)
-		{
-			// This is really the label, but keep this as the term also for BC.
-			// Label will also work on retrieving because that falls back to term.
-			$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($categories);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_author($key = 0)
-	{
-		$authors = $this->get_authors();
-		if (isset($authors[$key]))
-		{
-			return $authors[$key];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	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($authors);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_contributor($key = 0)
-	{
-		$contributors = $this->get_contributors();
-		if (isset($contributors[$key]))
-		{
-			return $contributors[$key];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	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($contributors);
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_link($key = 0, $rel = 'alternate')
-	{
-		$links = $this->get_links($rel);
-		if (isset($links[$key]))
-		{
-			return $links[$key];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	/**
-	 * Added for parity between the parent-level and the item/entry-level.
-	 */
-	function get_permalink()
-	{
-		return $this->get_link(0);
-	}
-
-	function get_links($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;
-		}
-	}
-
-	function get_all_discovered_feeds()
-	{
-		return $this->all_discovered_feeds;
-	}
-
-	function get_description()
-	{
-		if ($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;
-		}
-	}
-
-	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;
-		}
-	}
-
-	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;
-		}
-	}
-
-	function get_latitude()
-	{
-		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
-		{
-			return (float) $return[0]['data'];
-		}
-		elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
-		{
-			return (float) $match[1];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_longitude()
-	{
-		if ($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 = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
-		{
-			return (float) $match[2];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_image_title()
-	{
-		if ($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;
-		}
-	}
-
-	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;
-		}
-	}
-
-	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;
-		}
-	}
-
-	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 && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
-		{
-			return 88.0;
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_image_height()
-	{
-		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height'))
-		{
-			return round($return[0]['data']);
-		}
-		elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
-		{
-			return 31.0;
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	function get_item_quantity($max = 0)
-	{
-		$max = (int) $max;
-		$qty = count($this->get_items());
-		if ($max === 0)
-		{
-			return $qty;
-		}
-		else
-		{
-			return ($qty > $max) ? $max : $qty;
-		}
-	}
-
-	function get_item($key = 0)
-	{
-		$items = $this->get_items();
-		if (isset($items[$key]))
-		{
-			return $items[$key];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	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($this->data['items']))
-		{
-			// If we want to order it by date, check if all items have a date, and then sort it
-			if ($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 = $this->data['items'];
-			}
-
-			// Slice the data as desired
-			if ($end === 0)
-			{
-				return array_slice($items, $start);
-			}
-			else
-			{
-				return array_slice($items, $start, $end);
-			}
-		}
-		else
-		{
-			return array();
-		}
-	}
-
-	/**
-	 * @static
-	 */
-	function sort_items($a, $b)
-	{
-		return $a->get_date('U') <= $b->get_date('U');
-	}
-
-	/**
-	 * @static
-	 */
-	function merge_items($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();
-		}
-	}
+    /**
+     * @var array Raw data
+     * @access private
+     */
+    var $data = array();
+
+    /**
+     * @var mixed Error string
+     * @access private
+     */
+    var $error;
+
+    /**
+     * @var object Instance of SimplePie_Sanitize (or other class)
+     * @see SimplePie::set_sanitize_class()
+     * @access private
+     */
+    var $sanitize;
+
+    /**
+     * @var string SimplePie Useragent
+     * @see SimplePie::set_useragent()
+     * @access private
+     */
+    var $useragent = SIMPLEPIE_USERAGENT;
+
+    /**
+     * @var string Feed URL
+     * @see SimplePie::set_feed_url()
+     * @access private
+     */
+    var $feed_url;
+
+    /**
+     * @var object Instance of SimplePie_File to use as a feed
+     * @see SimplePie::set_file()
+     * @access private
+     */
+    var $file;
+
+    /**
+     * @var string Raw feed data
+     * @see SimplePie::set_raw_data()
+     * @access private
+     */
+    var $raw_data;
+
+    /**
+     * @var int Timeout for fetching remote files
+     * @see SimplePie::set_timeout()
+     * @access private
+     */
+    var $timeout = 10;
+
+    /**
+     * @var bool Forces fsockopen() to be used for remote files instead
+     * of cURL, even if a new enough version is installed
+     * @see SimplePie::force_fsockopen()
+     * @access private
+     */
+    var $force_fsockopen = false;
+
+    /**
+     * @var bool Force the given data/URL to be treated as a feed no matter what
+     * it appears like
+     * @see SimplePie::force_feed()
+     * @access private
+     */
+    var $force_feed = false;
+
+    /**
+     * @var bool Enable/Disable XML dump
+     * @see SimplePie::enable_xml_dump()
+     * @access private
+     */
+    var $xml_dump = false;
+
+    /**
+     * @var bool Enable/Disable Caching
+     * @see SimplePie::enable_cache()
+     * @access private
+     */
+    var $cache = true;
+
+    /**
+     * @var int Cache duration (in seconds)
+     * @see SimplePie::set_cache_duration()
+     * @access private
+     */
+    var $cache_duration = 3600;
+
+    /**
+     * @var int Auto-discovery cache duration (in seconds)
+     * @see SimplePie::set_autodiscovery_cache_duration()
+     * @access private
+     */
+    var $autodiscovery_cache_duration = 604800; // 7 Days.
+
+    /**
+     * @var string Cache location (relative to executing script)
+     * @see SimplePie::set_cache_location()
+     * @access private
+     */
+    var $cache_location = './cache';
+
+    /**
+     * @var string Function that creates the cache filename
+     * @see SimplePie::set_cache_name_function()
+     * @access private
+     */
+    var $cache_name_function = 'md5';
+
+    /**
+     * @var bool Reorder feed by date descending
+     * @see SimplePie::enable_order_by_date()
+     * @access private
+     */
+    var $order_by_date = true;
+
+    /**
+     * @var mixed Force input encoding to be set to the follow value
+     * (false, or anything type-cast to false, disables this feature)
+     * @see SimplePie::set_input_encoding()
+     * @access private
+     */
+    var $input_encoding = false;
+
+    /**
+     * @var int Feed Autodiscovery Level
+     * @see SimplePie::set_autodiscovery_level()
+     * @access private
+     */
+    var $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
+
+    /**
+     * @var string Class used for caching feeds
+     * @see SimplePie::set_cache_class()
+     * @access private
+     */
+    var $cache_class = 'SimplePie_Cache';
+
+    /**
+     * @var string Class used for locating feeds
+     * @see SimplePie::set_locator_class()
+     * @access private
+     */
+    var $locator_class = 'SimplePie_Locator';
+
+    /**
+     * @var string Class used for parsing feeds
+     * @see SimplePie::set_parser_class()
+     * @access private
+     */
+    var $parser_class = 'SimplePie_Parser';
+
+    /**
+     * @var string Class used for fetching feeds
+     * @see SimplePie::set_file_class()
+     * @access private
+     */
+    var $file_class = 'SimplePie_File';
+
+    /**
+     * @var string Class used for items
+     * @see SimplePie::set_item_class()
+     * @access private
+     */
+    var $item_class = 'SimplePie_Item';
+
+    /**
+     * @var string Class used for authors
+     * @see SimplePie::set_author_class()
+     * @access private
+     */
+    var $author_class = 'SimplePie_Author';
+
+    /**
+     * @var string Class used for categories
+     * @see SimplePie::set_category_class()
+     * @access private
+     */
+    var $category_class = 'SimplePie_Category';
+
+    /**
+     * @var string Class used for enclosures
+     * @see SimplePie::set_enclosures_class()
+     * @access private
+     */
+    var $enclosure_class = 'SimplePie_Enclosure';
+
+    /**
+     * @var string Class used for Media RSS <media:text> captions
+     * @see SimplePie::set_caption_class()
+     * @access private
+     */
+    var $caption_class = 'SimplePie_Caption';
+
+    /**
+     * @var string Class used for Media RSS <media:copyright>
+     * @see SimplePie::set_copyright_class()
+     * @access private
+     */
+    var $copyright_class = 'SimplePie_Copyright';
+
+    /**
+     * @var string Class used for Media RSS <media:credit>
+     * @see SimplePie::set_credit_class()
+     * @access private
+     */
+    var $credit_class = 'SimplePie_Credit';
+
+    /**
+     * @var string Class used for Media RSS <media:rating>
+     * @see SimplePie::set_rating_class()
+     * @access private
+     */
+    var $rating_class = 'SimplePie_Rating';
+
+    /**
+     * @var string Class used for Media RSS <media:restriction>
+     * @see SimplePie::set_restriction_class()
+     * @access private
+     */
+    var $restriction_class = 'SimplePie_Restriction';
+
+    /**
+     * @var string Class used for content-type sniffing
+     * @see SimplePie::set_content_type_sniffer_class()
+     * @access private
+     */
+    var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
+
+    /**
+     * @var string Class used for item sources.
+     * @see SimplePie::set_source_class()
+     * @access private
+     */
+    var $source_class = 'SimplePie_Source';
+
+    /**
+     * @var mixed Set javascript query string parameter (false, or
+     * anything type-cast to false, disables this feature)
+     * @see SimplePie::set_javascript()
+     * @access private
+     */
+    var $javascript = 'js';
+
+    /**
+     * @var int Maximum number of feeds to check with autodiscovery
+     * @see SimplePie::set_max_checked_feeds()
+     * @access private
+     */
+    var $max_checked_feeds = 10;
+
+    /**
+     * @var array All the feeds found during the autodiscovery process
+     * @see SimplePie::get_all_discovered_feeds()
+     * @access private
+     */
+    var $all_discovered_feeds = array();
+
+    /**
+     * @var string Web-accessible path to the handler_favicon.php file.
+     * @see SimplePie::set_favicon_handler()
+     * @access private
+     */
+    var $favicon_handler = '';
+
+    /**
+     * @var string Web-accessible path to the handler_image.php file.
+     * @see SimplePie::set_image_handler()
+     * @access private
+     */
+    var $image_handler = '';
+
+    /**
+     * @var array Stores the URLs when multiple feeds are being initialized.
+     * @see SimplePie::set_feed_url()
+     * @access private
+     */
+    var $multifeed_url = array();
+
+    /**
+     * @var array Stores SimplePie objects when multiple feeds initialized.
+     * @access private
+     */
+    var $multifeed_objects = array();
+
+    /**
+     * @var array Stores the get_object_vars() array for use with multifeeds.
+     * @see SimplePie::set_feed_url()
+     * @access private
+     */
+    var $config_settings = null;
+
+    /**
+     * @var integer Stores the number of items to return per-feed with multifeeds.
+     * @see SimplePie::set_item_limit()
+     * @access private
+     */
+    var $item_limit = 0;
+
+    /**
+     * @var array Stores the default attributes to be stripped by strip_attributes().
+     * @see SimplePie::strip_attributes()
+     * @access private
+     */
+    var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
+
+    /**
+     * @var array Stores the default tags to be stripped by strip_htmltags().
+     * @see SimplePie::strip_htmltags()
+     * @access private
+     */
+    var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
+
+    /**
+     * The SimplePie class contains feed level data and options
+     *
+     * There are two ways that you can create a new SimplePie object. The first
+     * is by passing a feed URL as a parameter to the SimplePie constructor
+     * (as well as optionally setting the cache location and cache expiry). This
+     * will initialise the whole feed with all of the default settings, and you
+     * can begin accessing methods and properties immediately.
+     *
+     * The second way is to create the SimplePie object with no parameters
+     * at all. This will enable you to set configuration options. After setting
+     * them, you must initialise the feed using $feed->init(). At that point the
+     * object's methods and properties will be available to you. This format is
+     * what is used throughout this documentation.
+     *
+     * @access public
+     * @since 1.0 Preview Release
+     * @param string $feed_url This is the URL you want to parse.
+     * @param string $cache_location This is where you want the cache to be stored.
+     * @param int $cache_duration This is the number of seconds that you want to store the cache file for.
+     */
+    function SimplePie($feed_url = null, $cache_location = null, $cache_duration = null)
+    {
+        // Other objects, instances created here so we can set options on them
+        $this->sanitize =& new SimplePie_Sanitize;
+
+        // Set options if they're passed to the constructor
+        if ($cache_location !== null)
+        {
+            $this->set_cache_location($cache_location);
+        }
+
+        if ($cache_duration !== null)
+        {
+            $this->set_cache_duration($cache_duration);
+        }
+
+        // Only init the script if we're passed a feed URL
+        if ($feed_url !== null)
+        {
+            $this->set_feed_url($feed_url);
+            $this->init();
+        }
+    }
+
+    /**
+     * Used for converting object to a string
+     */
+    function __toString()
+    {
+        return md5(serialize($this->data));
+    }
+
+    /**
+     * Remove items that link back to this before destroying this object
+     */
+    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']);
+            }
+        }
+    }
+
+    /**
+     * Force the given data/URL to be treated as a feed no matter what it
+     * appears like
+     *
+     * @access public
+     * @since 1.1
+     * @param bool $enable Force the given data/URL to be treated as a feed
+     */
+    function force_feed($enable = false)
+    {
+        $this->force_feed = (bool) $enable;
+    }
+
+    /**
+     * This is the URL of the feed you want to parse.
+     *
+     * This allows you to enter the URL of the feed you want to parse, or the
+     * website you want to try to use auto-discovery on. This takes priority
+     * over any set raw data.
+     *
+     * You can set multiple feeds to mash together by passing an array instead
+     * of a string for the $url. Remember that with each additional feed comes
+     * additional processing and resources.
+     *
+     * @access public
+     * @since 1.0 Preview Release
+     * @param mixed $url This is the URL (or array of URLs) that you want to parse.
+     * @see SimplePie::set_raw_data()
+     */
+    function set_feed_url($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);
+        }
+    }
+
+    /**
+     * Provides an instance of SimplePie_File to use as a feed
+     *
+     * @access public
+     * @param object &$file Instance of SimplePie_File (or subclass)
+     * @return bool True on success, false on failure
+     */
+    function set_file(&$file)
+    {
+        if (is_a($file, 'SimplePie_File'))
+        {
+            $this->feed_url = $file->url;
+            $this->file =& $file;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to use a string of RSS/Atom data instead of a remote feed.
+     *
+     * If you have a feed available as a string in PHP, you can tell SimplePie
+     * to parse that data string instead of a remote feed. Any set feed URL
+     * takes precedence.
+     *
+     * @access public
+     * @since 1.0 Beta 3
+     * @param string $data RSS or Atom data as a string.
+     * @see SimplePie::set_feed_url()
+     */
+    function set_raw_data($data)
+    {
+        $this->raw_data = $data;
+    }
+
+    /**
+     * Allows you to override the default timeout for fetching remote feeds.
+     *
+     * This allows you to change the maximum time the feed's server to respond
+     * and send the feed back.
+     *
+     * @access public
+     * @since 1.0 Beta 3
+     * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
+     */
+    function set_timeout($timeout = 10)
+    {
+        $this->timeout = (int) $timeout;
+    }
+
+    /**
+     * Forces SimplePie to use fsockopen() instead of the preferred cURL
+     * functions.
+     *
+     * @access public
+     * @since 1.0 Beta 3
+     * @param bool $enable Force fsockopen() to be used
+     */
+    function force_fsockopen($enable = false)
+    {
+        $this->force_fsockopen = (bool) $enable;
+    }
+
+    /**
+     * Outputs the raw XML content of the feed, after it has gone through
+     * SimplePie's filters.
+     *
+     * Used only for debugging, this function will output the XML content as
+     * text/xml. When SimplePie reads in a feed, it does a bit of cleaning up
+     * before trying to parse it. Many parts of the feed are re-written in
+     * memory, and in the end, you have a parsable feed. XML dump shows you the
+     * actual XML that SimplePie tries to parse, which may or may not be very
+     * different from the original feed.
+     *
+     * @access public
+     * @since 1.0 Preview Release
+     * @param bool $enable Enable XML dump
+     */
+    function enable_xml_dump($enable = false)
+    {
+        $this->xml_dump = (bool) $enable;
+    }
+
+    /**
+     * Enables/disables caching in SimplePie.
+     *
+     * This option allows you to disable caching all-together in SimplePie.
+     * However, disabling the cache can lead to longer load times.
+     *
+     * @access public
+     * @since 1.0 Preview Release
+     * @param bool $enable Enable caching
+     */
+    function enable_cache($enable = true)
+    {
+        $this->cache = (bool) $enable;
+    }
+
+    /**
+     * Set the length of time (in seconds) that the contents of a feed
+     * will be cached.
+     *
+     * @access public
+     * @param int $seconds The feed content cache duration.
+     */
+    function set_cache_duration($seconds = 3600)
+    {
+        $this->cache_duration = (int) $seconds;
+    }
+
+    /**
+     * Set the length of time (in seconds) that the autodiscovered feed
+     * URL will be cached.
+     *
+     * @access public
+     * @param int $seconds The autodiscovered feed URL cache duration.
+     */
+    function set_autodiscovery_cache_duration($seconds = 604800)
+    {
+        $this->autodiscovery_cache_duration = (int) $seconds;
+    }
+
+    /**
+     * Set the file system location where the cached files should be stored.
+     *
+     * @access public
+     * @param string $location The file system location.
+     */
+    function set_cache_location($location = './cache')
+    {
+        $this->cache_location = (string) $location;
+    }
+
+    /**
+     * Determines whether feed items should be sorted into reverse chronological order.
+     *
+     * @access public
+     * @param bool $enable Sort as reverse chronological order.
+     */
+    function enable_order_by_date($enable = true)
+    {
+        $this->order_by_date = (bool) $enable;
+    }
+
+    /**
+     * Allows you to override the character encoding reported by the feed.
+     *
+     * @access public
+     * @param string $encoding Character encoding.
+     */
+    function set_input_encoding($encoding = false)
+    {
+        if ($encoding)
+        {
+            $this->input_encoding = (string) $encoding;
+        }
+        else
+        {
+            $this->input_encoding = false;
+        }
+    }
+
+    /**
+     * Set how much feed autodiscovery to do
+     *
+     * @access public
+     * @see SIMPLEPIE_LOCATOR_NONE
+     * @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
+     * @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
+     * @see SIMPLEPIE_LOCATOR_LOCAL_BODY
+     * @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
+     * @see SIMPLEPIE_LOCATOR_REMOTE_BODY
+     * @see SIMPLEPIE_LOCATOR_ALL
+     * @param int $level Feed Autodiscovery Level (level can be a
+     * combination of the above constants, see bitwise OR operator)
+     */
+    function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
+    {
+        $this->autodiscovery = (int) $level;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for caching.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_cache_class($class = 'SimplePie_Cache')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
+        {
+            $this->cache_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for auto-discovery.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_locator_class($class = 'SimplePie_Locator')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
+        {
+            $this->locator_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for XML parsing.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_parser_class($class = 'SimplePie_Parser')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
+        {
+            $this->parser_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for remote file fetching.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_file_class($class = 'SimplePie_File')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
+        {
+            $this->file_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for data sanitization.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_sanitize_class($class = 'SimplePie_Sanitize')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
+        {
+            $this->sanitize =& new $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for handling feed items.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_item_class($class = 'SimplePie_Item')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
+        {
+            $this->item_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for handling author data.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_author_class($class = 'SimplePie_Author')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
+        {
+            $this->author_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for handling category data.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_category_class($class = 'SimplePie_Category')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
+        {
+            $this->category_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for feed enclosures.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_enclosure_class($class = 'SimplePie_Enclosure')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
+        {
+            $this->enclosure_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for <media:text> captions
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_caption_class($class = 'SimplePie_Caption')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
+        {
+            $this->caption_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for <media:copyright>
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_copyright_class($class = 'SimplePie_Copyright')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
+        {
+            $this->copyright_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for <media:credit>
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_credit_class($class = 'SimplePie_Credit')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
+        {
+            $this->credit_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for <media:rating>
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_rating_class($class = 'SimplePie_Rating')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
+        {
+            $this->rating_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for <media:restriction>
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_restriction_class($class = 'SimplePie_Restriction')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
+        {
+            $this->restriction_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses for content-type sniffing.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_content_type_sniffer_class($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;
+    }
+
+    /**
+     * Allows you to change which class SimplePie uses item sources.
+     * Useful when you are overloading or extending SimplePie's default classes.
+     *
+     * @access public
+     * @param string $class Name of custom class.
+     * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+     * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+     */
+    function set_source_class($class = 'SimplePie_Source')
+    {
+        if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
+        {
+            $this->source_class = $class;
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Allows you to override the default user agent string.
+     *
+     * @access public
+     * @param string $ua New user agent string.
+     */
+    function set_useragent($ua = SIMPLEPIE_USERAGENT)
+    {
+        $this->useragent = (string) $ua;
+    }
+
+    /**
+     * Set callback function to create cache filename with
+     *
+     * @access public
+     * @param mixed $function Callback function
+     */
+    function set_cache_name_function($function = 'md5')
+    {
+        if (is_callable($function))
+        {
+            $this->cache_name_function = $function;
+        }
+    }
+
+    /**
+     * Set javascript query string parameter
+     *
+     * @access public
+     * @param mixed $get Javascript query string parameter
+     */
+    function set_javascript($get = 'js')
+    {
+        if ($get)
+        {
+            $this->javascript = (string) $get;
+        }
+        else
+        {
+            $this->javascript = false;
+        }
+    }
+
+    /**
+     * Set options to make SP as fast as possible.  Forgoes a
+     * substantial amount of data sanitization in favor of speed.
+     *
+     * @access public
+     * @param bool $set Whether to set them or not
+     */
+    function set_stupidly_fast($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);
+        }
+    }
+
+    /**
+     * Set maximum number of feeds to check with autodiscovery
+     *
+     * @access public
+     * @param int $max Maximum number of feeds to check
+     */
+    function set_max_checked_feeds($max = 10)
+    {
+        $this->max_checked_feeds = (int) $max;
+    }
+
+    function remove_div($enable = true)
+    {
+        $this->sanitize->remove_div($enable);
+    }
+
+    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);
+        }
+    }
+
+    function encode_instead_of_strip($enable = true)
+    {
+        $this->sanitize->encode_instead_of_strip($enable);
+    }
+
+    function strip_attributes($attribs = '')
+    {
+        if ($attribs === '')
+        {
+            $attribs = $this->strip_attributes;
+        }
+        $this->sanitize->strip_attributes($attribs);
+    }
+
+    function set_output_encoding($encoding = 'UTF-8')
+    {
+        $this->sanitize->set_output_encoding($encoding);
+    }
+
+    function strip_comments($strip = false)
+    {
+        $this->sanitize->strip_comments($strip);
+    }
+
+    /**
+     * Set element/attribute key/value pairs of HTML attributes
+     * containing URLs that need to be resolved relative to the feed
+     *
+     * @access public
+     * @since 1.0
+     * @param array $element_attribute Element/attribute key/value pairs
+     */
+    function set_url_replacements($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);
+    }
+
+    /**
+     * Set the handler to enable the display of cached favicons.
+     *
+     * @access public
+     * @param str $page Web-accessible path to the handler_favicon.php file.
+     * @param str $qs The query string that the value should be passed to.
+     */
+    function set_favicon_handler($page = false, $qs = 'i')
+    {
+        if ($page !== false)
+        {
+            $this->favicon_handler = $page . '?' . $qs . '=';
+        }
+        else
+        {
author	Pascal Chevrel <pascal@chevrel.org>	2012-02-26 18:01:27 +0100
committer	Pascal Chevrel <pascal@chevrel.org>	2012-02-26 18:01:27 +0100
commit	61bcf3141e0e2b88291c8dd5915de4c947a06be3 (patch)
tree	c581bf34e4db583b05147a81a310d2f69cc994cb /app/lib
parent	1e217f64da4aa6e4c5ff770ff08bb09ca4da35c3 (diff)
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