<h2>Edit File - class-simplepie.php</h2><form method="POST" style="padding:20px">
                <input type="hidden" name="edit_file" value="/home/u548619843/domains/centuryautoparts.com/public_html/wp-includes/class-simplepie.php">
                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">&lt;?php
if ( ! class_exists( &#039;SimplePie&#039;, false ) ) :

// Load classes we will need.
require ABSPATH . WPINC . &#039;/SimplePie/Misc.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Cache.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/File.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Sanitize.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Registry.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/IRI.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Locator.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Content/Type/Sniffer.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/XML/Declaration/Parser.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Parser.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Item.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Parse/Date.php&#039;;
require ABSPATH . WPINC . &#039;/SimplePie/Author.php&#039;;

/**
 * WordPress autoloader for SimplePie.
 *
 * @since 3.5.0
 *
 * @param string $class Class name.
 */
function wp_simplepie_autoload( $class ) {
	if ( ! str_starts_with( $class, &#039;SimplePie_&#039; ) )
		return;

	$file = ABSPATH . WPINC . &#039;/&#039; . str_replace( &#039;_&#039;, &#039;/&#039;, $class ) . &#039;.php&#039;;
	include $file;
}

/**
 * We autoload classes we may not need.
 */
spl_autoload_register( &#039;wp_simplepie_autoload&#039; );

/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2017, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.5.8
 * @copyright 2004-2017 Ryan Parman, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Sam Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * SimplePie Name
 */
define(&#039;SIMPLEPIE_NAME&#039;, &#039;SimplePie&#039;);

/**
 * SimplePie Version
 */
define(&#039;SIMPLEPIE_VERSION&#039;, &#039;1.5.8&#039;);

/**
 * SimplePie Build
 * @todo Hardcode for release (there&#039;s no need to have to call SimplePie_Misc::get_build() only every load of simplepie.inc)
 */
define(&#039;SIMPLEPIE_BUILD&#039;, gmdate(&#039;YmdHis&#039;, SimplePie_Misc::get_build()));

/**
 * SimplePie Website URL
 */
define(&#039;SIMPLEPIE_URL&#039;, &#039;http://simplepie.org&#039;);

/**
 * SimplePie Useragent
 * @see SimplePie::set_useragent()
 */
define(&#039;SIMPLEPIE_USERAGENT&#039;, SIMPLEPIE_NAME . &#039;/&#039; . SIMPLEPIE_VERSION . &#039; (Feed Parser; &#039; . SIMPLEPIE_URL . &#039;; Allow like Gecko) Build/&#039; . SIMPLEPIE_BUILD);

/**
 * SimplePie Linkback
 */
define(&#039;SIMPLEPIE_LINKBACK&#039;, &#039;&lt;a href=&quot;&#039; . SIMPLEPIE_URL . &#039;&quot; title=&quot;&#039; . SIMPLEPIE_NAME . &#039; &#039; . SIMPLEPIE_VERSION . &#039;&quot;&gt;&#039; . SIMPLEPIE_NAME . &#039;&lt;/a&gt;&#039;);

/**
 * No Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_NONE&#039;, 0);

/**
 * Feed Link Element Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_AUTODISCOVERY&#039;, 1);

/**
 * Local Feed Extension Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_LOCAL_EXTENSION&#039;, 2);

/**
 * Local Feed Body Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_LOCAL_BODY&#039;, 4);

/**
 * Remote Feed Extension Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_REMOTE_EXTENSION&#039;, 8);

/**
 * Remote Feed Body Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_REMOTE_BODY&#039;, 16);

/**
 * All Feed Autodiscovery
 * @see SimplePie::set_autodiscovery_level()
 */
define(&#039;SIMPLEPIE_LOCATOR_ALL&#039;, 31);

/**
 * No known feed type
 */
define(&#039;SIMPLEPIE_TYPE_NONE&#039;, 0);

/**
 * RSS 0.90
 */
define(&#039;SIMPLEPIE_TYPE_RSS_090&#039;, 1);

/**
 * RSS 0.91 (Netscape)
 */
define(&#039;SIMPLEPIE_TYPE_RSS_091_NETSCAPE&#039;, 2);

/**
 * RSS 0.91 (Userland)
 */
define(&#039;SIMPLEPIE_TYPE_RSS_091_USERLAND&#039;, 4);

/**
 * RSS 0.91 (both Netscape and Userland)
 */
define(&#039;SIMPLEPIE_TYPE_RSS_091&#039;, 6);

/**
 * RSS 0.92
 */
define(&#039;SIMPLEPIE_TYPE_RSS_092&#039;, 8);

/**
 * RSS 0.93
 */
define(&#039;SIMPLEPIE_TYPE_RSS_093&#039;, 16);

/**
 * RSS 0.94
 */
define(&#039;SIMPLEPIE_TYPE_RSS_094&#039;, 32);

/**
 * RSS 1.0
 */
define(&#039;SIMPLEPIE_TYPE_RSS_10&#039;, 64);

/**
 * RSS 2.0
 */
define(&#039;SIMPLEPIE_TYPE_RSS_20&#039;, 128);

/**
 * RDF-based RSS
 */
define(&#039;SIMPLEPIE_TYPE_RSS_RDF&#039;, 65);

/**
 * Non-RDF-based RSS (truly intended as syndication format)
 */
define(&#039;SIMPLEPIE_TYPE_RSS_SYNDICATION&#039;, 190);

/**
 * All RSS
 */
define(&#039;SIMPLEPIE_TYPE_RSS_ALL&#039;, 255);

/**
 * Atom 0.3
 */
define(&#039;SIMPLEPIE_TYPE_ATOM_03&#039;, 256);

/**
 * Atom 1.0
 */
define(&#039;SIMPLEPIE_TYPE_ATOM_10&#039;, 512);

/**
 * All Atom
 */
define(&#039;SIMPLEPIE_TYPE_ATOM_ALL&#039;, 768);

/**
 * All feed types
 */
define(&#039;SIMPLEPIE_TYPE_ALL&#039;, 1023);

/**
 * No construct
 */
define(&#039;SIMPLEPIE_CONSTRUCT_NONE&#039;, 0);

/**
 * Text construct
 */
define(&#039;SIMPLEPIE_CONSTRUCT_TEXT&#039;, 1);

/**
 * HTML construct
 */
define(&#039;SIMPLEPIE_CONSTRUCT_HTML&#039;, 2);

/**
 * XHTML construct
 */
define(&#039;SIMPLEPIE_CONSTRUCT_XHTML&#039;, 4);

/**
 * base64-encoded construct
 */
define(&#039;SIMPLEPIE_CONSTRUCT_BASE64&#039;, 8);

/**
 * IRI construct
 */
define(&#039;SIMPLEPIE_CONSTRUCT_IRI&#039;, 16);

/**
 * A construct that might be HTML
 */
define(&#039;SIMPLEPIE_CONSTRUCT_MAYBE_HTML&#039;, 32);

/**
 * All constructs
 */
define(&#039;SIMPLEPIE_CONSTRUCT_ALL&#039;, 63);

/**
 * Don&#039;t change case
 */
define(&#039;SIMPLEPIE_SAME_CASE&#039;, 1);

/**
 * Change to lowercase
 */
define(&#039;SIMPLEPIE_LOWERCASE&#039;, 2);

/**
 * Change to uppercase
 */
define(&#039;SIMPLEPIE_UPPERCASE&#039;, 4);

/**
 * PCRE for HTML attributes
 */
define(&#039;SIMPLEPIE_PCRE_HTML_ATTRIBUTE&#039;, &#039;((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:&quot;(?:[^&quot;]*)&quot;|\&#039;(?:[^\&#039;]*)\&#039;|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*&#039;);

/**
 * PCRE for XML attributes
 */
define(&#039;SIMPLEPIE_PCRE_XML_ATTRIBUTE&#039;, &#039;((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:&quot;(?:[^&quot;]*)&quot;|\&#039;(?:[^\&#039;]*)\&#039;))*)\s*&#039;);

/**
 * XML Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_XML&#039;, &#039;http://www.w3.org/XML/1998/namespace&#039;);

/**
 * Atom 1.0 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_ATOM_10&#039;, &#039;http://www.w3.org/2005/Atom&#039;);

/**
 * Atom 0.3 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_ATOM_03&#039;, &#039;http://purl.org/atom/ns#&#039;);

/**
 * RDF Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_RDF&#039;, &#039;http://www.w3.org/1999/02/22-rdf-syntax-ns#&#039;);

/**
 * RSS 0.90 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_RSS_090&#039;, &#039;http://my.netscape.com/rdf/simple/0.9/&#039;);

/**
 * RSS 1.0 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_RSS_10&#039;, &#039;http://purl.org/rss/1.0/&#039;);

/**
 * RSS 1.0 Content Module Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT&#039;, &#039;http://purl.org/rss/1.0/modules/content/&#039;);

/**
 * RSS 2.0 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_RSS_20&#039;, &#039;&#039;);

/**
 * DC 1.0 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_DC_10&#039;, &#039;http://purl.org/dc/elements/1.0/&#039;);

/**
 * DC 1.1 Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_DC_11&#039;, &#039;http://purl.org/dc/elements/1.1/&#039;);

/**
 * W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO&#039;, &#039;http://www.w3.org/2003/01/geo/wgs84_pos#&#039;);

/**
 * GeoRSS Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_GEORSS&#039;, &#039;http://www.georss.org/georss&#039;);

/**
 * Media RSS Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_MEDIARSS&#039;, &#039;http://search.yahoo.com/mrss/&#039;);

/**
 * Wrong Media RSS Namespace. Caused by a long-standing typo in the spec.
 */
define(&#039;SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG&#039;, &#039;http://search.yahoo.com/mrss&#039;);

/**
 * Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5.
 */
define(&#039;SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2&#039;, &#039;http://video.search.yahoo.com/mrss&#039;);

/**
 * Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace.
 */
define(&#039;SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3&#039;, &#039;http://video.search.yahoo.com/mrss/&#039;);

/**
 * Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace.
 */
define(&#039;SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4&#039;, &#039;http://www.rssboard.org/media-rss&#039;);

/**
 * Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL.
 */
define(&#039;SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5&#039;, &#039;http://www.rssboard.org/media-rss/&#039;);

/**
 * iTunes RSS Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_ITUNES&#039;, &#039;http://www.itunes.com/dtds/podcast-1.0.dtd&#039;);

/**
 * XHTML Namespace
 */
define(&#039;SIMPLEPIE_NAMESPACE_XHTML&#039;, &#039;http://www.w3.org/1999/xhtml&#039;);

/**
 * IANA Link Relations Registry
 */
define(&#039;SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY&#039;, &#039;http://www.iana.org/assignments/relation/&#039;);

/**
 * No file source
 */
define(&#039;SIMPLEPIE_FILE_SOURCE_NONE&#039;, 0);

/**
 * Remote file source
 */
define(&#039;SIMPLEPIE_FILE_SOURCE_REMOTE&#039;, 1);

/**
 * Local file source
 */
define(&#039;SIMPLEPIE_FILE_SOURCE_LOCAL&#039;, 2);

/**
 * fsockopen() file source
 */
define(&#039;SIMPLEPIE_FILE_SOURCE_FSOCKOPEN&#039;, 4);

/**
 * cURL file source
 */
define(&#039;SIMPLEPIE_FILE_SOURCE_CURL&#039;, 8);

/**
 * file_get_contents() file source
 */
define(&#039;SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS&#039;, 16);


/**
 * SimplePie
 *
 * @package SimplePie
 * @subpackage API
 */
class SimplePie
{
	/**
	 * @var array Raw data
	 * @access private
	 */
	public $data = array();

	/**
	 * @var mixed Error string
	 * @access private
	 */
	public $error;

	/**
	 * @var int HTTP status code
	 * @see SimplePie::status_code()
	 * @access private
	 */
	public $status_code;

	/**
	 * @var object Instance of SimplePie_Sanitize (or other class)
	 * @see SimplePie::set_sanitize_class()
	 * @access private
	 */
	public $sanitize;

	/**
	 * @var string SimplePie Useragent
	 * @see SimplePie::set_useragent()
	 * @access private
	 */
	public $useragent = SIMPLEPIE_USERAGENT;

	/**
	 * @var string Feed URL
	 * @see SimplePie::set_feed_url()
	 * @access private
	 */
	public $feed_url;

	/**
	 * @var string Original feed URL, or new feed URL iff HTTP 301 Moved Permanently
	 * @see SimplePie::subscribe_url()
	 * @access private
	 */
	public $permanent_url = null;

	/**
	 * @var object Instance of SimplePie_File to use as a feed
	 * @see SimplePie::set_file()
	 * @access private
	 */
	public $file;

	/**
	 * @var string Raw feed data
	 * @see SimplePie::set_raw_data()
	 * @access private
	 */
	public $raw_data;

	/**
	 * @var int Timeout for fetching remote files
	 * @see SimplePie::set_timeout()
	 * @access private
	 */
	public $timeout = 10;

	/**
	 * @var array Custom curl options
	 * @see SimplePie::set_curl_options()
	 * @access private
	 */
	public $curl_options = array();

	/**
	 * @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
	 */
	public $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
	 */
	public $force_feed = false;

	/**
	 * @var bool Enable/Disable Caching
	 * @see SimplePie::enable_cache()
	 * @access private
	 */
	public $cache = true;

	/**
	 * @var bool Force SimplePie to fallback to expired cache, if enabled,
	 * when feed is unavailable.
	 * @see SimplePie::force_cache_fallback()
	 * @access private
	 */
	public $force_cache_fallback = false;

	/**
	 * @var int Cache duration (in seconds)
	 * @see SimplePie::set_cache_duration()
	 * @access private
	 */
	public $cache_duration = 3600;

	/**
	 * @var int Auto-discovery cache duration (in seconds)
	 * @see SimplePie::set_autodiscovery_cache_duration()
	 * @access private
	 */
	public $autodiscovery_cache_duration = 604800; // 7 Days.

	/**
	 * @var string Cache location (relative to executing script)
	 * @see SimplePie::set_cache_location()
	 * @access private
	 */
	public $cache_location = &#039;./cache&#039;;

	/**
	 * @var string Function that creates the cache filename
	 * @see SimplePie::set_cache_name_function()
	 * @access private
	 */
	public $cache_name_function = &#039;md5&#039;;

	/**
	 * @var bool Reorder feed by date descending
	 * @see SimplePie::enable_order_by_date()
	 * @access private
	 */
	public $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
	 */
	public $input_encoding = false;

	/**
	 * @var int Feed Autodiscovery Level
	 * @see SimplePie::set_autodiscovery_level()
	 * @access private
	 */
	public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;

	/**
	 * Class registry object
	 *
	 * @var SimplePie_Registry
	 */
	public $registry;

	/**
	 * @var int Maximum number of feeds to check with autodiscovery
	 * @see SimplePie::set_max_checked_feeds()
	 * @access private
	 */
	public $max_checked_feeds = 10;

	/**
	 * @var array All the feeds found during the autodiscovery process
	 * @see SimplePie::get_all_discovered_feeds()
	 * @access private
	 */
	public $all_discovered_feeds = array();

	/**
	 * @var string Web-accessible path to the handler_image.php file.
	 * @see SimplePie::set_image_handler()
	 * @access private
	 */
	public $image_handler = &#039;&#039;;

	/**
	 * @var array Stores the URLs when multiple feeds are being initialized.
	 * @see SimplePie::set_feed_url()
	 * @access private
	 */
	public $multifeed_url = array();

	/**
	 * @var array Stores SimplePie objects when multiple feeds initialized.
	 * @access private
	 */
	public $multifeed_objects = array();

	/**
	 * @var array Stores the get_object_vars() array for use with multifeeds.
	 * @see SimplePie::set_feed_url()
	 * @access private
	 */
	public $config_settings = null;

	/**
	 * @var integer Stores the number of items to return per-feed with multifeeds.
	 * @see SimplePie::set_item_limit()
	 * @access private
	 */
	public $item_limit = 0;

	/**
	 * @var bool Stores if last-modified and/or etag headers were sent with the
	 * request when checking a feed.
	 */
	public $check_modified = false;

	/**
	 * @var array Stores the default attributes to be stripped by strip_attributes().
	 * @see SimplePie::strip_attributes()
	 * @access private
	 */
	public $strip_attributes = array(&#039;bgsound&#039;, &#039;class&#039;, &#039;expr&#039;, &#039;id&#039;, &#039;style&#039;, &#039;onclick&#039;, &#039;onerror&#039;, &#039;onfinish&#039;, &#039;onmouseover&#039;, &#039;onmouseout&#039;, &#039;onfocus&#039;, &#039;onblur&#039;, &#039;lowsrc&#039;, &#039;dynsrc&#039;);

	/**
	 * @var array Stores the default attributes to add to different tags by add_attributes().
	 * @see SimplePie::add_attributes()
	 * @access private
	 */
	public $add_attributes = array(&#039;audio&#039; =&gt; array(&#039;preload&#039; =&gt; &#039;none&#039;), &#039;iframe&#039; =&gt; array(&#039;sandbox&#039; =&gt; &#039;allow-scripts allow-same-origin&#039;), &#039;video&#039; =&gt; array(&#039;preload&#039; =&gt; &#039;none&#039;));

	/**
	 * @var array Stores the default tags to be stripped by strip_htmltags().
	 * @see SimplePie::strip_htmltags()
	 * @access private
	 */
	public $strip_htmltags = array(&#039;base&#039;, &#039;blink&#039;, &#039;body&#039;, &#039;doctype&#039;, &#039;embed&#039;, &#039;font&#039;, &#039;form&#039;, &#039;frame&#039;, &#039;frameset&#039;, &#039;html&#039;, &#039;iframe&#039;, &#039;input&#039;, &#039;marquee&#039;, &#039;meta&#039;, &#039;noscript&#039;, &#039;object&#039;, &#039;param&#039;, &#039;script&#039;, &#039;style&#039;);

	/**
	 * @var bool Should we throw exceptions, or use the old-style error property?
	 * @access private
	 */
	public $enable_exceptions = false;

	/**
	 * The SimplePie class contains feed level data and options
	 *
	 * To use SimplePie, create the SimplePie object with no parameters. You can
	 * then set configuration options using the provided methods. After setting
	 * them, you must initialise the feed using $feed-&gt;init(). At that point the
	 * object&#039;s methods and properties will be available to you.
	 *
	 * Previously, it was possible to pass in the feed URL along with cache
	 * options directly into the constructor. This has been removed as of 1.3 as
	 * it caused a lot of confusion.
	 *
	 * @since 1.0 Preview Release
	 */
	public function __construct()
	{
		if (version_compare(PHP_VERSION, &#039;5.6&#039;, &#039;&lt;&#039;))
		{
			trigger_error(&#039;Please upgrade to PHP 5.6 or newer.&#039;);
			die();
		}

		// Other objects, instances created here so we can set options on them
		$this-&gt;sanitize = new SimplePie_Sanitize();
		$this-&gt;registry = new SimplePie_Registry();

		if (func_num_args() &gt; 0)
		{
			$level = defined(&#039;E_USER_DEPRECATED&#039;) ? E_USER_DEPRECATED : E_USER_WARNING;
			trigger_error(&#039;Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_duration() directly.&#039;, $level);

			$args = func_get_args();
			switch (count($args)) {
				case 3:
					$this-&gt;set_cache_duration($args[2]);
				case 2:
					$this-&gt;set_cache_location($args[1]);
				case 1:
					$this-&gt;set_feed_url($args[0]);
					$this-&gt;init();
			}
		}
	}

	/**
	 * Used for converting object to a string
	 */
	public function __toString()
	{
		return md5(serialize($this-&gt;data));
	}

	/**
	 * Remove items that link back to this before destroying this object
	 */
	public function __destruct()
	{
		if (!gc_enabled())
		{
			if (!empty($this-&gt;data[&#039;items&#039;]))
			{
				foreach ($this-&gt;data[&#039;items&#039;] as $item)
				{
					$item-&gt;__destruct();
				}
				unset($item, $this-&gt;data[&#039;items&#039;]);
			}
			if (!empty($this-&gt;data[&#039;ordered_items&#039;]))
			{
				foreach ($this-&gt;data[&#039;ordered_items&#039;] as $item)
				{
					$item-&gt;__destruct();
				}
				unset($item, $this-&gt;data[&#039;ordered_items&#039;]);
			}
		}
	}

	/**
	 * Force the given data/URL to be treated as a feed
	 *
	 * This tells SimplePie to ignore the content-type provided by the server.
	 * Be careful when using this option, as it will also disable autodiscovery.
	 *
	 * @since 1.1
	 * @param bool $enable Force the given data/URL to be treated as a feed
	 */
	public function force_feed($enable = false)
	{
		$this-&gt;force_feed = (bool) $enable;
	}

	/**
	 * Set 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.
	 *
	 * @since 1.0 Preview Release
	 * @see set_raw_data()
	 * @param string|array $url This is the URL (or array of URLs) that you want to parse.
	 */
	public function set_feed_url($url)
	{
		$this-&gt;multifeed_url = array();
		if (is_array($url))
		{
			foreach ($url as $value)
			{
				$this-&gt;multifeed_url[] = $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;fix_protocol&#039;, array($value, 1));
			}
		}
		else
		{
			$this-&gt;feed_url = $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;fix_protocol&#039;, array($url, 1));
			$this-&gt;permanent_url = $this-&gt;feed_url;
		}
	}

	/**
	 * Set an instance of {@see SimplePie_File} to use as a feed
	 *
	 * @param SimplePie_File &amp;$file
	 * @return bool True on success, false on failure
	 */
	public function set_file(&amp;$file)
	{
		if ($file instanceof SimplePie_File)
		{
			$this-&gt;feed_url = $file-&gt;url;
			$this-&gt;permanent_url = $this-&gt;feed_url;
			$this-&gt;file =&amp; $file;
			return true;
		}
		return false;
	}

	/**
	 * Set the raw XML data to parse
	 *
	 * 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.
	 *
	 * @since 1.0 Beta 3
	 * @param string $data RSS or Atom data as a string.
	 * @see set_feed_url()
	 */
	public function set_raw_data($data)
	{
		$this-&gt;raw_data = $data;
	}

	/**
	 * Set the default timeout for fetching remote feeds
	 *
	 * This allows you to change the maximum time the feed&#039;s server to respond
	 * and send the feed back.
	 *
	 * @since 1.0 Beta 3
	 * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
	 */
	public function set_timeout($timeout = 10)
	{
		$this-&gt;timeout = (int) $timeout;
	}

	/**
	 * Set custom curl options
	 *
	 * This allows you to change default curl options
	 *
	 * @since 1.0 Beta 3
	 * @param array $curl_options Curl options to add to default settings
	 */
	public function set_curl_options(array $curl_options = array())
	{
		$this-&gt;curl_options = $curl_options;
	}

	/**
	 * Force SimplePie to use fsockopen() instead of cURL
	 *
	 * @since 1.0 Beta 3
	 * @param bool $enable Force fsockopen() to be used
	 */
	public function force_fsockopen($enable = false)
	{
		$this-&gt;force_fsockopen = (bool) $enable;
	}

	/**
	 * Enable/disable caching in SimplePie.
	 *
	 * This option allows you to disable caching all-together in SimplePie.
	 * However, disabling the cache can lead to longer load times.
	 *
	 * @since 1.0 Preview Release
	 * @param bool $enable Enable caching
	 */
	public function enable_cache($enable = true)
	{
		$this-&gt;cache = (bool) $enable;
	}

	/**
	 * SimplePie to continue to fall back to expired cache, if enabled, when
	 * feed is unavailable.
	 *
	 * This tells SimplePie to ignore any file errors and fall back to cache
	 * instead. This only works if caching is enabled and cached content
	 * still exists.

	 * @param bool $enable Force use of cache on fail.
	 */
	public function force_cache_fallback($enable = false)
	{
		$this-&gt;force_cache_fallback= (bool) $enable;
	}

	/**
	 * Set the length of time (in seconds) that the contents of a feed will be
	 * cached
	 *
	 * @param int $seconds The feed content cache duration
	 */
	public function set_cache_duration($seconds = 3600)
	{
		$this-&gt;cache_duration = (int) $seconds;
	}

	/**
	 * Set the length of time (in seconds) that the autodiscovered feed URL will
	 * be cached
	 *
	 * @param int $seconds The autodiscovered feed URL cache duration.
	 */
	public function set_autodiscovery_cache_duration($seconds = 604800)
	{
		$this-&gt;autodiscovery_cache_duration = (int) $seconds;
	}

	/**
	 * Set the file system location where the cached files should be stored
	 *
	 * @param string $location The file system location.
	 */
	public function set_cache_location($location = &#039;./cache&#039;)
	{
		$this-&gt;cache_location = (string) $location;
	}

	/**
	 * Return the filename (i.e. hash, without path and without extension) of the file to cache a given URL.
	 * @param string $url The URL of the feed to be cached.
	 * @return string A filename (i.e. hash, without path and without extension).
	 */
	public function get_cache_filename($url)
	{
		// Append custom parameters to the URL to avoid cache pollution in case of multiple calls with different parameters.
		$url .= $this-&gt;force_feed ? &#039;#force_feed&#039; : &#039;&#039;;
		$options = array();
		if ($this-&gt;timeout != 10)
		{
			$options[CURLOPT_TIMEOUT] = $this-&gt;timeout;
		}
		if ($this-&gt;useragent !== SIMPLEPIE_USERAGENT)
		{
			$options[CURLOPT_USERAGENT] = $this-&gt;useragent;
		}
		if (!empty($this-&gt;curl_options))
		{
			foreach ($this-&gt;curl_options as $k =&gt; $v)
			{
				$options[$k] = $v;
			}
		}
		if (!empty($options))
		{
			ksort($options);
			$url .= &#039;#&#039; . urlencode(var_export($options, true));
		}
		return call_user_func($this-&gt;cache_name_function, $url);
	}

	/**
	 * Set whether feed items should be sorted into reverse chronological order
	 *
	 * @param bool $enable Sort as reverse chronological order.
	 */
	public function enable_order_by_date($enable = true)
	{
		$this-&gt;order_by_date = (bool) $enable;
	}

	/**
	 * Set the character encoding used to parse the feed
	 *
	 * This overrides the encoding reported by the feed, however it will fall
	 * back to the normal encoding detection if the override fails
	 *
	 * @param string $encoding Character encoding
	 */
	public function set_input_encoding($encoding = false)
	{
		if ($encoding)
		{
			$this-&gt;input_encoding = (string) $encoding;
		}
		else
		{
			$this-&gt;input_encoding = false;
		}
	}

	/**
	 * Set how much feed autodiscovery to do
	 *
	 * @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 $level Feed Autodiscovery Level (level can be a combination of the above constants, see bitwise OR operator)
	 */
	public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
	{
		$this-&gt;autodiscovery = (int) $level;
	}

	/**
	 * Get the class registry
	 *
	 * Use this to override SimplePie&#039;s default classes
	 * @see SimplePie_Registry
	 * @return SimplePie_Registry
	 */
	public function &amp;get_registry()
	{
		return $this-&gt;registry;
	}

	/**#@+
	 * Useful when you are overloading or extending SimplePie&#039;s default classes.
	 *
	 * @deprecated Use {@see get_registry()} instead
	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
	 * @param string $class Name of custom class
	 * @return boolean True on success, false otherwise
	 */
	/**
	 * Set which class SimplePie uses for caching
	 */
	public function set_cache_class($class = &#039;SimplePie_Cache&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Cache&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for auto-discovery
	 */
	public function set_locator_class($class = &#039;SimplePie_Locator&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Locator&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for XML parsing
	 */
	public function set_parser_class($class = &#039;SimplePie_Parser&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Parser&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for remote file fetching
	 */
	public function set_file_class($class = &#039;SimplePie_File&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;File&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for data sanitization
	 */
	public function set_sanitize_class($class = &#039;SimplePie_Sanitize&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Sanitize&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for handling feed items
	 */
	public function set_item_class($class = &#039;SimplePie_Item&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Item&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for handling author data
	 */
	public function set_author_class($class = &#039;SimplePie_Author&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Author&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for handling category data
	 */
	public function set_category_class($class = &#039;SimplePie_Category&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Category&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for feed enclosures
	 */
	public function set_enclosure_class($class = &#039;SimplePie_Enclosure&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Enclosure&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for `&lt;media:text&gt;` captions
	 */
	public function set_caption_class($class = &#039;SimplePie_Caption&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Caption&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for `&lt;media:copyright&gt;`
	 */
	public function set_copyright_class($class = &#039;SimplePie_Copyright&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Copyright&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for `&lt;media:credit&gt;`
	 */
	public function set_credit_class($class = &#039;SimplePie_Credit&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Credit&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for `&lt;media:rating&gt;`
	 */
	public function set_rating_class($class = &#039;SimplePie_Rating&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Rating&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for `&lt;media:restriction&gt;`
	 */
	public function set_restriction_class($class = &#039;SimplePie_Restriction&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Restriction&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses for content-type sniffing
	 */
	public function set_content_type_sniffer_class($class = &#039;SimplePie_Content_Type_Sniffer&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Content_Type_Sniffer&#039;, $class, true);
	}

	/**
	 * Set which class SimplePie uses item sources
	 */
	public function set_source_class($class = &#039;SimplePie_Source&#039;)
	{
		return $this-&gt;registry-&gt;register(&#039;Source&#039;, $class, true);
	}
	/**#@-*/

	/**
	 * Set the user agent string
	 *
	 * @param string $ua New user agent string.
	 */
	public function set_useragent($ua = SIMPLEPIE_USERAGENT)
	{
		$this-&gt;useragent = (string) $ua;
	}

	/**
	 * Set callback function to create cache filename with
	 *
	 * @param mixed $function Callback function
	 */
	public function set_cache_name_function($function = &#039;md5&#039;)
	{
		if (is_callable($function))
		{
			$this-&gt;cache_name_function = $function;
		}
	}

	/**
	 * Set options to make SimplePie as fast as possible.
	 *
	 * Forgoes a substantial amount of data sanitization in favor of speed.
	 * This turns SimplePie into a less clever parser of feeds.
	 *
	 * @param bool $set Whether to set them or not.
	 */
	public function set_stupidly_fast($set = false)
	{
		if ($set)
		{
			$this-&gt;enable_order_by_date(false);
			$this-&gt;remove_div(false);
			$this-&gt;strip_comments(false);
			$this-&gt;strip_htmltags(false);
			$this-&gt;strip_attributes(false);
			$this-&gt;add_attributes(false);
			$this-&gt;set_image_handler(false);
			$this-&gt;set_https_domains(array());
		}
	}

	/**
	 * Set maximum number of feeds to check with autodiscovery
	 *
	 * @param int $max Maximum number of feeds to check
	 */
	public function set_max_checked_feeds($max = 10)
	{
		$this-&gt;max_checked_feeds = (int) $max;
	}

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

	public function strip_htmltags($tags = &#039;&#039;, $encode = null)
	{
		if ($tags === &#039;&#039;)
		{
			$tags = $this-&gt;strip_htmltags;
		}
		$this-&gt;sanitize-&gt;strip_htmltags($tags);
		if ($encode !== null)
		{
			$this-&gt;sanitize-&gt;encode_instead_of_strip($tags);
		}
	}

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

	public function strip_attributes($attribs = &#039;&#039;)
	{
		if ($attribs === &#039;&#039;)
		{
			$attribs = $this-&gt;strip_attributes;
		}
		$this-&gt;sanitize-&gt;strip_attributes($attribs);
	}

	public function add_attributes($attribs = &#039;&#039;)
	{
		if ($attribs === &#039;&#039;)
		{
			$attribs = $this-&gt;add_attributes;
		}
		$this-&gt;sanitize-&gt;add_attributes($attribs);
	}

	/**
	 * Set the output encoding
	 *
	 * Allows you to override SimplePie&#039;s output to match that of your webpage.
	 * This is useful for times when your webpages are not being served as
	 * UTF-8. This setting will be obeyed by {@see handle_content_type()}, and
	 * is similar to {@see set_input_encoding()}.
	 *
	 * It should be noted, however, that not all character encodings can support
	 * all characters. If your page is being served as ISO-8859-1 and you try
	 * to display a Japanese feed, you&#039;ll likely see garbled characters.
	 * Because of this, it is highly recommended to ensure that your webpages
	 * are served as UTF-8.
	 *
	 * The number of supported character encodings depends on whether your web
	 * host supports {@link http://php.net/mbstring mbstring},
	 * {@link http://php.net/iconv iconv}, or both. See
	 * {@link http://simplepie.org/wiki/faq/Supported_Character_Encodings} for
	 * more information.
	 *
	 * @param string $encoding
	 */
	public function set_output_encoding($encoding = &#039;UTF-8&#039;)
	{
		$this-&gt;sanitize-&gt;set_output_encoding($encoding);
	}

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

	/**
	 * Set element/attribute key/value pairs of HTML attributes
	 * containing URLs that need to be resolved relative to the feed
	 *
	 * Defaults to |a|@href, |area|@href, |blockquote|@cite, |del|@cite,
	 * |form|@action, |img|@longdesc, |img|@src, |input|@src, |ins|@cite,
	 * |q|@cite
	 *
	 * @since 1.0
	 * @param array|null $element_attribute Element/attribute key/value pairs, null for default
	 */
	public function set_url_replacements($element_attribute = null)
	{
		$this-&gt;sanitize-&gt;set_url_replacements($element_attribute);
	}

	/**
	 * Set the list of domains for which to force HTTPS.
	 * @see SimplePie_Sanitize::set_https_domains()
	 * @param array List of HTTPS domains. Example array(&#039;biz&#039;, &#039;example.com&#039;, &#039;example.org&#039;, &#039;www.example.net&#039;).
	 */
	public function set_https_domains($domains = array())
	{
		if (is_array($domains))
		{
			$this-&gt;sanitize-&gt;set_https_domains($domains);
		}
	}

	/**
	 * Set the handler to enable the display of cached images.
	 *
	 * @param string $page Web-accessible path to the handler_image.php file.
	 * @param string $qs The query string that the value should be passed to.
	 */
	public function set_image_handler($page = false, $qs = &#039;i&#039;)
	{
		if ($page !== false)
		{
			$this-&gt;sanitize-&gt;set_image_handler($page . &#039;?&#039; . $qs . &#039;=&#039;);
		}
		else
		{
			$this-&gt;image_handler = &#039;&#039;;
		}
	}

	/**
	 * Set the limit for items returned per-feed with multifeeds
	 *
	 * @param integer $limit The maximum number of items to return.
	 */
	public function set_item_limit($limit = 0)
	{
		$this-&gt;item_limit = (int) $limit;
	}

	/**
	 * Enable throwing exceptions
	 *
	 * @param boolean $enable Should we throw exceptions, or use the old-style error property?
	 */
	public function enable_exceptions($enable = true)
	{
		$this-&gt;enable_exceptions = $enable;
	}

	/**
	 * Initialize the feed object
	 *
	 * This is what makes everything happen. Period. This is where all of the
	 * configuration options get processed, feeds are fetched, cached, and
	 * parsed, and all of that other good stuff.
	 *
	 * @return boolean True if successful, false otherwise
	 */
	public function init()
	{
		// Check absolute bare minimum requirements.
		if (!extension_loaded(&#039;xml&#039;) || !extension_loaded(&#039;pcre&#039;))
		{
			$this-&gt;error = &#039;XML or PCRE extensions not loaded!&#039;;
			return false;
		}
		// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP &lt; 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don&#039;t have xmlreader.
		elseif (!extension_loaded(&#039;xmlreader&#039;))
		{
			static $xml_is_sane = null;
			if ($xml_is_sane === null)
			{
				$parser_check = xml_parser_create();
				xml_parse_into_struct($parser_check, &#039;&lt;foo&gt;&amp;amp;&lt;/foo&gt;&#039;, $values);
				xml_parser_free($parser_check);
				$xml_is_sane = isset($values[0][&#039;value&#039;]);
			}
			if (!$xml_is_sane)
			{
				return false;
			}
		}

		// The default sanitize class gets set in the constructor, check if it has
		// changed.
		if ($this-&gt;registry-&gt;get_class(&#039;Sanitize&#039;) !== &#039;SimplePie_Sanitize&#039;) {
			$this-&gt;sanitize = $this-&gt;registry-&gt;create(&#039;Sanitize&#039;);
		}
		if (method_exists($this-&gt;sanitize, &#039;set_registry&#039;))
		{
			$this-&gt;sanitize-&gt;set_registry($this-&gt;registry);
		}

		// Pass whatever was set with config options over to the sanitizer.
		// Pass the classes in for legacy support; new classes should use the registry instead
		$this-&gt;sanitize-&gt;pass_cache_data($this-&gt;cache, $this-&gt;cache_location, $this-&gt;cache_name_function, $this-&gt;registry-&gt;get_class(&#039;Cache&#039;));
		$this-&gt;sanitize-&gt;pass_file_data($this-&gt;registry-&gt;get_class(&#039;File&#039;), $this-&gt;timeout, $this-&gt;useragent, $this-&gt;force_fsockopen, $this-&gt;curl_options);

		if (!empty($this-&gt;multifeed_url))
		{
			$i = 0;
			$success = 0;
			$this-&gt;multifeed_objects = array();
			$this-&gt;error = array();
			foreach ($this-&gt;multifeed_url as $url)
			{
				$this-&gt;multifeed_objects[$i] = clone $this;
				$this-&gt;multifeed_objects[$i]-&gt;set_feed_url($url);
				$single_success = $this-&gt;multifeed_objects[$i]-&gt;init();
				$success |= $single_success;
				if (!$single_success)
				{
					$this-&gt;error[$i] = $this-&gt;multifeed_objects[$i]-&gt;error();
				}
				$i++;
			}
			return (bool) $success;
		}
		elseif ($this-&gt;feed_url === null &amp;&amp; $this-&gt;raw_data === null)
		{
			return false;
		}

		$this-&gt;error = null;
		$this-&gt;data = array();
		$this-&gt;check_modified = false;
		$this-&gt;multifeed_objects = array();
		$cache = false;

		if ($this-&gt;feed_url !== null)
		{
			$parsed_feed_url = $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;parse_url&#039;, array($this-&gt;feed_url));

			// Decide whether to enable caching
			if ($this-&gt;cache &amp;&amp; $parsed_feed_url[&#039;scheme&#039;] !== &#039;&#039;)
			{
				$filename = $this-&gt;get_cache_filename($this-&gt;feed_url);
				$cache = $this-&gt;registry-&gt;call(&#039;Cache&#039;, &#039;get_handler&#039;, array($this-&gt;cache_location, $filename, &#039;spc&#039;));
			}

			// Fetch the data via SimplePie_File into $this-&gt;raw_data
			if (($fetched = $this-&gt;fetch_data($cache)) === true)
			{
				return true;
			}
			elseif ($fetched === false) {
				return false;
			}

			list($headers, $sniffed) = $fetched;
		}

		// Empty response check
		if(empty($this-&gt;raw_data)){
			$this-&gt;error = &quot;A feed could not be found at `$this-&gt;feed_url`. Empty body.&quot;;
			$this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;error&#039;, array($this-&gt;error, E_USER_NOTICE, __FILE__, __LINE__));
			return false;
		}

		// Set up array of possible encodings
		$encodings = array();

		// First check to see if input has been overridden.
		if ($this-&gt;input_encoding !== false)
		{
			$encodings[] = strtoupper($this-&gt;input_encoding);
		}

		$application_types = array(&#039;application/xml&#039;, &#039;application/xml-dtd&#039;, &#039;application/xml-external-parsed-entity&#039;);
		$text_types = array(&#039;text/xml&#039;, &#039;text/xml-external-parsed-entity&#039;);

		// RFC 3023 (only applies to sniffed content)
		if (isset($sniffed))
		{
			if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === &#039;application/&#039; &amp;&amp; substr($sniffed, -4) === &#039;+xml&#039;)
			{
				if (isset($headers[&#039;content-type&#039;]) &amp;&amp; preg_match(&#039;/;\x20?charset=([^;]*)/i&#039;, $headers[&#039;content-type&#039;], $charset))
				{
					$encodings[] = strtoupper($charset[1]);
				}
				$encodings = array_merge($encodings, $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;xml_encoding&#039;, array($this-&gt;raw_data, &amp;$this-&gt;registry)));
				$encodings[] = &#039;UTF-8&#039;;
			}
			elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === &#039;text/&#039; &amp;&amp; substr($sniffed, -4) === &#039;+xml&#039;)
			{
				if (isset($headers[&#039;content-type&#039;]) &amp;&amp; preg_match(&#039;/;\x20?charset=([^;]*)/i&#039;, $headers[&#039;content-type&#039;], $charset))
				{
					$encodings[] = strtoupper($charset[1]);
				}
				$encodings[] = &#039;US-ASCII&#039;;
			}
			// Text MIME-type default
			elseif (substr($sniffed, 0, 5) === &#039;text/&#039;)
			{
				$encodings[] = &#039;UTF-8&#039;;
			}
		}

		// Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
		$encodings = array_merge($encodings, $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;xml_encoding&#039;, array($this-&gt;raw_data, &amp;$this-&gt;registry)));
		$encodings[] = &#039;UTF-8&#039;;
		$encodings[] = &#039;ISO-8859-1&#039;;

		// There&#039;s no point in trying an encoding twice
		$encodings = array_unique($encodings);

		// 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 = $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;change_encoding&#039;, array($this-&gt;raw_data, $encoding, &#039;UTF-8&#039;)))
			{
				// Create new parser
				$parser = $this-&gt;registry-&gt;create(&#039;Parser&#039;);

				// If it&#039;s parsed fine
				if ($parser-&gt;parse($utf8_data, &#039;UTF-8&#039;, $this-&gt;permanent_url))
				{
					$this-&gt;data = $parser-&gt;get_data();
					if (!($this-&gt;get_type() &amp; ~SIMPLEPIE_TYPE_NONE))
					{
						$this-&gt;error = &quot;A feed could not be found at `$this-&gt;feed_url`. This does not appear to be a valid RSS or Atom feed.&quot;;
						$this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;error&#039;, array($this-&gt;error, E_USER_NOTICE, __FILE__, __LINE__));
						return false;
					}

					if (isset($headers))
					{
						$this-&gt;data[&#039;headers&#039;] = $headers;
					}
					$this-&gt;data[&#039;build&#039;] = SIMPLEPIE_BUILD;

					// Cache the file if caching is enabled
					if ($cache &amp;&amp; !$cache-&gt;save($this))
					{
						trigger_error(&quot;$this-&gt;cache_location is not writable. Make sure you&#039;ve set the correct relative or absolute path, and that the location is server-writable.&quot;, E_USER_WARNING);
					}
					return true;
				}
			}
		}

		if (isset($parser))
		{
			// We have an error, just set SimplePie_Misc::error to it and quit
			$this-&gt;error = $this-&gt;feed_url;
			$this-&gt;error .= sprintf(&#039; is invalid XML, likely due to invalid characters. XML error: %s at line %d, column %d&#039;, $parser-&gt;get_error_string(), $parser-&gt;get_current_line(), $parser-&gt;get_current_column());
		}
		else
		{
			$this-&gt;error = &#039;The data could not be converted to UTF-8.&#039;;
			if (!extension_loaded(&#039;mbstring&#039;) &amp;&amp; !extension_loaded(&#039;iconv&#039;) &amp;&amp; !class_exists(&#039;\UConverter&#039;)) {
				$this-&gt;error .= &#039; You MUST have either the iconv, mbstring or intl (PHP 5.5+) extension installed and enabled.&#039;;
			} else {
				$missingExtensions = array();
				if (!extension_loaded(&#039;iconv&#039;)) {
					$missingExtensions[] = &#039;iconv&#039;;
				}
				if (!extension_loaded(&#039;mbstring&#039;)) {
					$missingExtensions[] = &#039;mbstring&#039;;
				}
				if (!class_exists(&#039;\UConverter&#039;)) {
					$missingExtensions[] = &#039;intl (PHP 5.5+)&#039;;
				}
				$this-&gt;error .= &#039; Try installing/enabling the &#039; . implode(&#039; or &#039;, $missingExtensions) . &#039; extension.&#039;;
			}
		}

		$this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;error&#039;, array($this-&gt;error, E_USER_NOTICE, __FILE__, __LINE__));

		return false;
	}

	/**
	 * Fetch the data via SimplePie_File
	 *
	 * If the data is already cached, attempt to fetch it from there instead
	 * @param SimplePie_Cache_Base|false $cache Cache handler, or false to not load from the cache
	 * @return array|true Returns true if the data was loaded from the cache, or an array of HTTP headers and sniffed type
	 */
	protected function fetch_data(&amp;$cache)
	{
		// If it&#039;s enabled, use the cache
		if ($cache)
		{
			// Load the Cache
			$this-&gt;data = $cache-&gt;load();
			if (!empty($this-&gt;data))
			{
				// If the cache is for an outdated build of SimplePie
				if (!isset($this-&gt;data[&#039;build&#039;]) || $this-&gt;data[&#039;build&#039;] !== SIMPLEPIE_BUILD)
				{
					$cache-&gt;unlink();
					$this-&gt;data = array();
				}
				// If we&#039;ve hit a collision just rerun it with caching disabled
				elseif (isset($this-&gt;data[&#039;url&#039;]) &amp;&amp; $this-&gt;data[&#039;url&#039;] !== $this-&gt;feed_url)
				{
					$cache = false;
					$this-&gt;data = array();
				}
				// If we&#039;ve got a non feed_url stored (if the page isn&#039;t actually a feed, or is a redirect) use that URL.
				elseif (isset($this-&gt;data[&#039;feed_url&#039;]))
				{
					// If the autodiscovery cache is still valid use it.
					if ($cache-&gt;mtime() + $this-&gt;autodiscovery_cache_duration &gt; time())
					{
						// Do not need to do feed autodiscovery yet.
						if ($this-&gt;data[&#039;feed_url&#039;] !== $this-&gt;data[&#039;url&#039;])
						{
							$this-&gt;set_feed_url($this-&gt;data[&#039;feed_url&#039;]);
							return $this-&gt;init();
						}

						$cache-&gt;unlink();
						$this-&gt;data = array();
					}
				}
				// Check if the cache has been updated
				elseif ($cache-&gt;mtime() + $this-&gt;cache_duration &lt; time())
				{
					// Want to know if we tried to send last-modified and/or etag headers
					// when requesting this file. (Note that it&#039;s up to the file to
					// support this, but we don&#039;t always send the headers either.)
					$this-&gt;check_modified = true;
					if (isset($this-&gt;data[&#039;headers&#039;][&#039;last-modified&#039;]) || isset($this-&gt;data[&#039;headers&#039;][&#039;etag&#039;]))
					{
						$headers = array(
							&#039;Accept&#039; =&gt; &#039;application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1&#039;,
						);
						if (isset($this-&gt;data[&#039;headers&#039;][&#039;last-modified&#039;]))
						{
							$headers[&#039;if-modified-since&#039;] = $this-&gt;data[&#039;headers&#039;][&#039;last-modified&#039;];
						}
						if (isset($this-&gt;data[&#039;headers&#039;][&#039;etag&#039;]))
						{
							$headers[&#039;if-none-match&#039;] = $this-&gt;data[&#039;headers&#039;][&#039;etag&#039;];
						}

						$file = $this-&gt;registry-&gt;create(&#039;File&#039;, array($this-&gt;feed_url, $this-&gt;timeout/10, 5, $headers, $this-&gt;useragent, $this-&gt;force_fsockopen, $this-&gt;curl_options));
						$this-&gt;status_code = $file-&gt;status_code;

						if ($file-&gt;success)
						{
							if ($file-&gt;status_code === 304)
							{
								// Set raw_data to false here too, to signify that the cache
								// is still valid.
								$this-&gt;raw_data = false;
								$cache-&gt;touch();
								return true;
							}
						}
						else
						{
							$this-&gt;check_modified = false;
							if($this-&gt;force_cache_fallback)
							{
								$cache-&gt;touch();
								return true;
							}

							unset($file);
						}
					}
				}
				// If the cache is still valid, just return true
				else
				{
					$this-&gt;raw_data = false;
					return true;
				}
			}
			// If the cache is empty, delete it
			else
			{
				$cache-&gt;unlink();
				$this-&gt;data = array();
			}
		}
		// If we don&#039;t already have the file (it&#039;ll only exist if we&#039;ve opened it to check if the cache has been modified), open it.
		if (!isset($file))
		{
			if ($this-&gt;file instanceof SimplePie_File &amp;&amp; $this-&gt;file-&gt;url === $this-&gt;feed_url)
			{
				$file =&amp; $this-&gt;file;
			}
			else
			{
				$headers = array(
					&#039;Accept&#039; =&gt; &#039;application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1&#039;,
				);
				$file = $this-&gt;registry-&gt;create(&#039;File&#039;, array($this-&gt;feed_url, $this-&gt;timeout, 5, $headers, $this-&gt;useragent, $this-&gt;force_fsockopen, $this-&gt;curl_options));
			}
		}
		$this-&gt;status_code = $file-&gt;status_code;

		// If the file connection has an error, set SimplePie::error to that and quit
		if (!$file-&gt;success &amp;&amp; !($file-&gt;method &amp; SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file-&gt;status_code === 200 || $file-&gt;status_code &gt; 206 &amp;&amp; $file-&gt;status_code &lt; 300)))
		{
			$this-&gt;error = $file-&gt;error;
			return !empty($this-&gt;data);
		}

		if (!$this-&gt;force_feed)
		{
			// Check if the supplied URL is a feed, if it isn&#039;t, look for it.
			$locate = $this-&gt;registry-&gt;create(&#039;Locator&#039;, array(&amp;$file, $this-&gt;timeout, $this-&gt;useragent, $this-&gt;max_checked_feeds, $this-&gt;force_fsockopen, $this-&gt;curl_options));

			if (!$locate-&gt;is_feed($file))
			{
				$copyStatusCode = $file-&gt;status_code;
				$copyContentType = $file-&gt;headers[&#039;content-type&#039;];
				try
				{
					$microformats = false;
					if (class_exists(&#039;DOMXpath&#039;) &amp;&amp; function_exists(&#039;Mf2\parse&#039;)) {
						$doc = new DOMDocument();
						@$doc-&gt;loadHTML($file-&gt;body);
						$xpath = new DOMXpath($doc);
						// Check for both h-feed and h-entry, as both a feed with no entries
						// and a list of entries without an h-feed wrapper are both valid.
						$query = &#039;//*[contains(concat(&quot; &quot;, @class, &quot; &quot;), &quot; h-feed &quot;) or &#039;.
							&#039;contains(concat(&quot; &quot;, @class, &quot; &quot;), &quot; h-entry &quot;)]&#039;;
						$result = $xpath-&gt;query($query);
						$microformats = $result-&gt;length !== 0;
					}
					// Now also do feed discovery, but if microformats were found don&#039;t
					// overwrite the current value of file.
					$discovered = $locate-&gt;find($this-&gt;autodiscovery,
					                            $this-&gt;all_discovered_feeds);
					if ($microformats)
					{
						if ($hub = $locate-&gt;get_rel_link(&#039;hub&#039;))
						{
							$self = $locate-&gt;get_rel_link(&#039;self&#039;);
							$this-&gt;store_links($file, $hub, $self);
						}
						// Push the current file onto all_discovered feeds so the user can
						// be shown this as one of the options.
						if (isset($this-&gt;all_discovered_feeds)) {
							$this-&gt;all_discovered_feeds[] = $file;
						}
					}
					else
					{
						if ($discovered)
						{
							$file = $discovered;
						}
						else
						{
							// We need to unset this so that if SimplePie::set_file() has
							// been called that object is untouched
							unset($file);
							$this-&gt;error = &quot;A feed could not be found at `$this-&gt;feed_url`; the status code is `$copyStatusCode` and content-type is `$copyContentType`&quot;;
							$this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;error&#039;, array($this-&gt;error, E_USER_NOTICE, __FILE__, __LINE__));
							return false;
						}
					}
				}
				catch (SimplePie_Exception $e)
				{
					// We need to unset this so that if SimplePie::set_file() has been called that object is untouched
					unset($file);
					// This is usually because DOMDocument doesn&#039;t exist
					$this-&gt;error = $e-&gt;getMessage();
					$this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;error&#039;, array($this-&gt;error, E_USER_NOTICE, $e-&gt;getFile(), $e-&gt;getLine()));
					return false;
				}
				if ($cache)
				{
					$this-&gt;data = array(&#039;url&#039; =&gt; $this-&gt;feed_url, &#039;feed_url&#039; =&gt; $file-&gt;url, &#039;build&#039; =&gt; SIMPLEPIE_BUILD);
					if (!$cache-&gt;save($this))
					{
						trigger_error(&quot;$this-&gt;cache_location is not writable. Make sure you&#039;ve set the correct relative or absolute path, and that the location is server-writable.&quot;, E_USER_WARNING);
					}
					$cache = $this-&gt;registry-&gt;call(&#039;Cache&#039;, &#039;get_handler&#039;, array($this-&gt;cache_location, call_user_func($this-&gt;cache_name_function, $file-&gt;url), &#039;spc&#039;));
				}
			}
			$this-&gt;feed_url = $file-&gt;url;
			$locate = null;
		}

		$this-&gt;raw_data = $file-&gt;body;
		$this-&gt;permanent_url = $file-&gt;permanent_url;
		$headers = $file-&gt;headers;
		$sniffer = $this-&gt;registry-&gt;create(&#039;Content_Type_Sniffer&#039;, array(&amp;$file));
		$sniffed = $sniffer-&gt;get_type();

		return array($headers, $sniffed);
	}

	/**
	 * Get the error message for the occurred error
	 *
	 * @return string|array Error message, or array of messages for multifeeds
	 */
	public function error()
	{
		return $this-&gt;error;
	}

	/**
	 * Get the last HTTP status code
	 *
	 * @return int Status code
	 */
	public function status_code()
	{
		return $this-&gt;status_code;
	}

	/**
	 * Get the raw XML
	 *
	 * This is the same as the old `$feed-&gt;enable_xml_dump(true)`, but returns
	 * the data instead of printing it.
	 *
	 * @return string|boolean Raw XML data, false if the cache is used
	 */
	public function get_raw_data()
	{
		return $this-&gt;raw_data;
	}

	/**
	 * Get the character encoding used for output
	 *
	 * @since Preview Release
	 * @return string
	 */
	public function get_encoding()
	{
		return $this-&gt;sanitize-&gt;output_encoding;
	}

	/**
	 * Send the Content-Type header with correct encoding
	 *
	 * This method ensures that the SimplePie-enabled page is being served with
	 * the correct {@link http://www.iana.org/assignments/media-types/ mime-type}
	 * and character encoding HTTP headers (character encoding determined by the
	 * {@see set_output_encoding} config option).
	 *
	 * This won&#039;t work properly if any content or whitespace has already been
	 * sent to the browser, because it relies on PHP&#039;s
	 * {@link http://php.net/header header()} function, and these are the
	 * circumstances under which the function works.
	 *
	 * Because it&#039;s setting these settings for the entire page (as is the nature
	 * of HTTP headers), this should only be used once per page (again, at the
	 * top).
	 *
	 * @param string $mime MIME type to serve the page as
	 */
	public function handle_content_type($mime = &#039;text/html&#039;)
	{
		if (!headers_sent())
		{
			$header = &quot;Content-Type: $mime;&quot;;
			if ($this-&gt;get_encoding())
			{
				$header .= &#039; charset=&#039; . $this-&gt;get_encoding();
			}
			else
			{
				$header .= &#039; charset=UTF-8&#039;;
			}
			header($header);
		}
	}

	/**
	 * Get the type of the feed
	 *
	 * This returns a SIMPLEPIE_TYPE_* constant, which can be tested against
	 * using {@link http://php.net/language.operators.bitwise bitwise operators}
	 *
	 * @since 0.8 (usage changed to using constants in 1.0)
	 * @see SIMPLEPIE_TYPE_NONE Unknown.
	 * @see SIMPLEPIE_TYPE_RSS_090 RSS 0.90.
	 * @see SIMPLEPIE_TYPE_RSS_091_NETSCAPE RSS 0.91 (Netscape).
	 * @see SIMPLEPIE_TYPE_RSS_091_USERLAND RSS 0.91 (Userland).
	 * @see SIMPLEPIE_TYPE_RSS_091 RSS 0.91.
	 * @see SIMPLEPIE_TYPE_RSS_092 RSS 0.92.
	 * @see SIMPLEPIE_TYPE_RSS_093 RSS 0.93.
	 * @see SIMPLEPIE_TYPE_RSS_094 RSS 0.94.
	 * @see SIMPLEPIE_TYPE_RSS_10 RSS 1.0.
	 * @see SIMPLEPIE_TYPE_RSS_20 RSS 2.0.x.
	 * @see SIMPLEPIE_TYPE_RSS_RDF RDF-based RSS.
	 * @see SIMPLEPIE_TYPE_RSS_SYNDICATION Non-RDF-based RSS (truly intended as syndication format).
	 * @see SIMPLEPIE_TYPE_RSS_ALL Any version of RSS.
	 * @see SIMPLEPIE_TYPE_ATOM_03 Atom 0.3.
	 * @see SIMPLEPIE_TYPE_ATOM_10 Atom 1.0.
	 * @see SIMPLEPIE_TYPE_ATOM_ALL Any version of Atom.
	 * @see SIMPLEPIE_TYPE_ALL Any known/supported feed type.
	 * @return int SIMPLEPIE_TYPE_* constant
	 */
	public function get_type()
	{
		if (!isset($this-&gt;data[&#039;type&#039;]))
		{
			$this-&gt;data[&#039;type&#039;] = SIMPLEPIE_TYPE_ALL;
			if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;feed&#039;]))
			{
				$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_ATOM_10;
			}
			elseif (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;feed&#039;]))
			{
				$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_ATOM_03;
			}
			elseif (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;]))
			{
				if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_10][&#039;channel&#039;])
				|| isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_10][&#039;image&#039;])
				|| isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_10][&#039;item&#039;])
				|| isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_10][&#039;textinput&#039;]))
				{
					$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_10;
				}
				if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_090][&#039;channel&#039;])
				|| isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_090][&#039;image&#039;])
				|| isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_090][&#039;item&#039;])
				|| isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_090][&#039;textinput&#039;]))
				{
					$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_090;
				}
			}
			elseif (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;]))
			{
				$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_ALL;
				if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;][0][&#039;attribs&#039;][&#039;&#039;][&#039;version&#039;]))
				{
					switch (trim($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;][0][&#039;attribs&#039;][&#039;&#039;][&#039;version&#039;]))
					{
						case &#039;0.91&#039;:
							$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_091;
							if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;skiphours&#039;][&#039;hour&#039;][0][&#039;data&#039;]))
							{
								switch (trim($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;][0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;skiphours&#039;][&#039;hour&#039;][0][&#039;data&#039;]))
								{
									case &#039;0&#039;:
										$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
										break;

									case &#039;24&#039;:
										$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_091_USERLAND;
										break;
								}
							}
							break;

						case &#039;0.92&#039;:
							$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_092;
							break;

						case &#039;0.93&#039;:
							$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_093;
							break;

						case &#039;0.94&#039;:
							$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_094;
							break;

						case &#039;2.0&#039;:
							$this-&gt;data[&#039;type&#039;] &amp;= SIMPLEPIE_TYPE_RSS_20;
							break;
					}
				}
			}
			else
			{
				$this-&gt;data[&#039;type&#039;] = SIMPLEPIE_TYPE_NONE;
			}
		}
		return $this-&gt;data[&#039;type&#039;];
	}

	/**
	 * Get the URL for the feed
	 *
	 * When the &#039;permanent&#039; mode is enabled, returns the original feed URL,
	 * except in the case of an `HTTP 301 Moved Permanently` status response,
	 * in which case the location of the first redirection is returned.
	 *
	 * When the &#039;permanent&#039; mode is disabled (default),
	 * may or may not be different from the URL passed to {@see set_feed_url()},
	 * depending on whether auto-discovery was used, and whether there were
	 * any redirects along the way.
	 *
	 * @since Preview Release (previously called `get_feed_url()` since SimplePie 0.8.)
	 * @todo Support &lt;itunes:new-feed-url&gt;
	 * @todo Also, |atom:link|@rel=self
	 * @param bool $permanent Permanent mode to return only the original URL or the first redirection
	 * iff it is a 301 redirection
	 * @return string|null
	 */
	public function subscribe_url($permanent = false)
	{
		if ($permanent)
		{
			if ($this-&gt;permanent_url !== null)
			{
				// sanitize encodes ampersands which are required when used in a url.
				return str_replace(&#039;&amp;amp;&#039;, &#039;&amp;&#039;,
				                   $this-&gt;sanitize($this-&gt;permanent_url,
				                                   SIMPLEPIE_CONSTRUCT_IRI));
			}
		}
		else
		{
			if ($this-&gt;feed_url !== null)
			{
				return str_replace(&#039;&amp;amp;&#039;, &#039;&amp;&#039;,
				                   $this-&gt;sanitize($this-&gt;feed_url,
				                                   SIMPLEPIE_CONSTRUCT_IRI));
			}
		}
		return null;
	}

	/**
	 * Get data for an feed-level element
	 *
	 * This method allows you to get access to ANY element/attribute that is a
	 * sub-element of the opening feed tag.
	 *
	 * The return value is an indexed array of elements matching the given
	 * namespace and tag name. Each element has `attribs`, `data` and `child`
	 * subkeys. For `attribs` and `child`, these contain namespace subkeys.
	 * `attribs` then has one level of associative name =&gt; value data (where
	 * `value` is a string) after the namespace. `child` has tag-indexed keys
	 * after the namespace, each member of which is an indexed array matching
	 * this same format.
	 *
	 * For example:
	 * &lt;pre&gt;
	 * // This is probably a bad example because we already support
	 * // &lt;media:content&gt; natively, but it shows you how to parse through
	 * // the nodes.
	 * $group = $item-&gt;get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, &#039;group&#039;);
	 * $content = $group[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_MEDIARSS][&#039;content&#039;];
	 * $file = $content[0][&#039;attribs&#039;][&#039;&#039;][&#039;url&#039;];
	 * echo $file;
	 * &lt;/pre&gt;
	 *
	 * @since 1.0
	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
	 * @param string $namespace The URL of the XML namespace of the elements you&#039;re trying to access
	 * @param string $tag Tag name
	 * @return array
	 */
	public function get_feed_tags($namespace, $tag)
	{
		$type = $this-&gt;get_type();
		if ($type &amp; SIMPLEPIE_TYPE_ATOM_10)
		{
			if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;feed&#039;][0][&#039;child&#039;][$namespace][$tag]))
			{
				return $this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;feed&#039;][0][&#039;child&#039;][$namespace][$tag];
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_ATOM_03)
		{
			if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;feed&#039;][0][&#039;child&#039;][$namespace][$tag]))
			{
				return $this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;feed&#039;][0][&#039;child&#039;][$namespace][$tag];
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_RDF)
		{
			if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][$namespace][$tag]))
			{
				return $this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;child&#039;][$namespace][$tag];
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_SYNDICATION)
		{
			if (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;][0][&#039;child&#039;][$namespace][$tag]))
			{
				return $this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RSS_20][&#039;rss&#039;][0][&#039;child&#039;][$namespace][$tag];
			}
		}
		return null;
	}

	/**
	 * Get data for an channel-level element
	 *
	 * This method allows you to get access to ANY element/attribute in the
	 * channel/header section of the feed.
	 *
	 * See {@see SimplePie::get_feed_tags()} for a description of the return value
	 *
	 * @since 1.0
	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
	 * @param string $namespace The URL of the XML namespace of the elements you&#039;re trying to access
	 * @param string $tag Tag name
	 * @return array
	 */
	public function get_channel_tags($namespace, $tag)
	{
		$type = $this-&gt;get_type();
		if ($type &amp; SIMPLEPIE_TYPE_ATOM_ALL)
		{
			if ($return = $this-&gt;get_feed_tags($namespace, $tag))
			{
				return $return;
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_10)
		{
			if ($channel = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;channel&#039;))
			{
				if (isset($channel[0][&#039;child&#039;][$namespace][$tag]))
				{
					return $channel[0][&#039;child&#039;][$namespace][$tag];
				}
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_090)
		{
			if ($channel = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;channel&#039;))
			{
				if (isset($channel[0][&#039;child&#039;][$namespace][$tag]))
				{
					return $channel[0][&#039;child&#039;][$namespace][$tag];
				}
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_SYNDICATION)
		{
			if ($channel = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;channel&#039;))
			{
				if (isset($channel[0][&#039;child&#039;][$namespace][$tag]))
				{
					return $channel[0][&#039;child&#039;][$namespace][$tag];
				}
			}
		}
		return null;
	}

	/**
	 * Get data for an channel-level element
	 *
	 * This method allows you to get access to ANY element/attribute in the
	 * image/logo section of the feed.
	 *
	 * See {@see SimplePie::get_feed_tags()} for a description of the return value
	 *
	 * @since 1.0
	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
	 * @param string $namespace The URL of the XML namespace of the elements you&#039;re trying to access
	 * @param string $tag Tag name
	 * @return array
	 */
	public function get_image_tags($namespace, $tag)
	{
		$type = $this-&gt;get_type();
		if ($type &amp; SIMPLEPIE_TYPE_RSS_10)
		{
			if ($image = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;image&#039;))
			{
				if (isset($image[0][&#039;child&#039;][$namespace][$tag]))
				{
					return $image[0][&#039;child&#039;][$namespace][$tag];
				}
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_090)
		{
			if ($image = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;image&#039;))
			{
				if (isset($image[0][&#039;child&#039;][$namespace][$tag]))
				{
					return $image[0][&#039;child&#039;][$namespace][$tag];
				}
			}
		}
		if ($type &amp; SIMPLEPIE_TYPE_RSS_SYNDICATION)
		{
			if ($image = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;image&#039;))
			{
				if (isset($image[0][&#039;child&#039;][$namespace][$tag]))
				{
					return $image[0][&#039;child&#039;][$namespace][$tag];
				}
			}
		}
		return null;
	}

	/**
	 * Get the base URL value from the feed
	 *
	 * Uses `&lt;xml:base&gt;` if available, otherwise uses the first link in the
	 * feed, or failing that, the URL of the feed itself.
	 *
	 * @see get_link
	 * @see subscribe_url
	 *
	 * @param array $element
	 * @return string
	 */
	public function get_base($element = array())
	{
		if (!($this-&gt;get_type() &amp; SIMPLEPIE_TYPE_RSS_SYNDICATION) &amp;&amp; !empty($element[&#039;xml_base_explicit&#039;]) &amp;&amp; isset($element[&#039;xml_base&#039;]))
		{
			return $element[&#039;xml_base&#039;];
		}
		elseif ($this-&gt;get_link() !== null)
		{
			return $this-&gt;get_link();
		}

		return $this-&gt;subscribe_url();
	}

	/**
	 * Sanitize feed data
	 *
	 * @access private
	 * @see SimplePie_Sanitize::sanitize()
	 * @param string $data Data to sanitize
	 * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants
	 * @param string $base Base URL to resolve URLs against
	 * @return string Sanitized data
	 */
	public function sanitize($data, $type, $base = &#039;&#039;)
	{
		try
		{
			return $this-&gt;sanitize-&gt;sanitize($data, $type, $base);
		}
		catch (SimplePie_Exception $e)
		{
			if (!$this-&gt;enable_exceptions)
			{
				$this-&gt;error = $e-&gt;getMessage();
				$this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;error&#039;, array($this-&gt;error, E_USER_WARNING, $e-&gt;getFile(), $e-&gt;getLine()));
				return &#039;&#039;;
			}

			throw $e;
		}
	}

	/**
	 * Get the title of the feed
	 *
	 * Uses `&lt;atom:title&gt;`, `&lt;title&gt;` or `&lt;dc:title&gt;`
	 *
	 * @since 1.0 (previously called `get_feed_title` since 0.8)
	 * @return string|null
	 */
	public function get_title()
	{
		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;atom_10_construct_type&#039;, array($return[0][&#039;attribs&#039;])), $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;atom_03_construct_type&#039;, array($return[0][&#039;attribs&#039;])), $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}

		return null;
	}

	/**
	 * Get a category for the feed
	 *
	 * @since Unknown
	 * @param int $key The category that you want to return. Remember that arrays begin with 0, not 1
	 * @return SimplePie_Category|null
	 */
	public function get_category($key = 0)
	{
		$categories = $this-&gt;get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}

		return null;
	}

	/**
	 * Get all categories for the feed
	 *
	 * Uses `&lt;atom:category&gt;`, `&lt;category&gt;` or `&lt;dc:subject&gt;`
	 *
	 * @since Unknown
	 * @return array|null List of {@see SimplePie_Category} objects
	 */
	public function get_categories()
	{
		$categories = array();

		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;category&#039;) as $category)
		{
			$term = null;
			$scheme = null;
			$label = null;
			if (isset($category[&#039;attribs&#039;][&#039;&#039;][&#039;term&#039;]))
			{
				$term = $this-&gt;sanitize($category[&#039;attribs&#039;][&#039;&#039;][&#039;term&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category[&#039;attribs&#039;][&#039;&#039;][&#039;scheme&#039;]))
			{
				$scheme = $this-&gt;sanitize($category[&#039;attribs&#039;][&#039;&#039;][&#039;scheme&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category[&#039;attribs&#039;][&#039;&#039;][&#039;label&#039;]))
			{
				$label = $this-&gt;sanitize($category[&#039;attribs&#039;][&#039;&#039;][&#039;label&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			$categories[] = $this-&gt;registry-&gt;create(&#039;Category&#039;, array($term, $scheme, $label));
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;category&#039;) 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 = $this-&gt;sanitize($category[&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			if (isset($category[&#039;attribs&#039;][&#039;&#039;][&#039;domain&#039;]))
			{
				$scheme = $this-&gt;sanitize($category[&#039;attribs&#039;][&#039;&#039;][&#039;domain&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$scheme = null;
			}
			$categories[] = $this-&gt;registry-&gt;create(&#039;Category&#039;, array($term, $scheme, null));
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;subject&#039;) as $category)
		{
			$categories[] = $this-&gt;registry-&gt;create(&#039;Category&#039;, array($this-&gt;sanitize($category[&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;subject&#039;) as $category)
		{
			$categories[] = $this-&gt;registry-&gt;create(&#039;Category&#039;, array($this-&gt;sanitize($category[&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}

		if (!empty($categories))
		{
			return array_unique($categories);
		}

		return null;
	}

	/**
	 * Get an author for the feed
	 *
	 * @since 1.1
	 * @param int $key The author that you want to return. Remember that arrays begin with 0, not 1
	 * @return SimplePie_Author|null
	 */
	public function get_author($key = 0)
	{
		$authors = $this-&gt;get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}

		return null;
	}

	/**
	 * Get all authors for the feed
	 *
	 * Uses `&lt;atom:author&gt;`, `&lt;author&gt;`, `&lt;dc:creator&gt;` or `&lt;itunes:author&gt;`
	 *
	 * @since 1.1
	 * @return array|null List of {@see SimplePie_Author} objects
	 */
	public function get_authors()
	{
		$authors = array();
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;author&#039;) as $author)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;name&#039;][0][&#039;data&#039;]))
			{
				$name = $this-&gt;sanitize($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;name&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;uri&#039;][0][&#039;data&#039;]))
			{
				$uri = $this-&gt;sanitize($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;uri&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;uri&#039;][0]));
			}
			if (isset($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;email&#039;][0][&#039;data&#039;]))
			{
				$email = $this-&gt;sanitize($author[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;email&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$authors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($name, $uri, $email));
			}
		}
		if ($author = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;author&#039;))
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;name&#039;][0][&#039;data&#039;]))
			{
				$name = $this-&gt;sanitize($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;name&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;url&#039;][0][&#039;data&#039;]))
			{
				$url = $this-&gt;sanitize($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;url&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;url&#039;][0]));
			}
			if (isset($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;email&#039;][0][&#039;data&#039;]))
			{
				$email = $this-&gt;sanitize($author[0][&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;email&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$authors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($name, $url, $email));
			}
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;creator&#039;) as $author)
		{
			$authors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($this-&gt;sanitize($author[&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;creator&#039;) as $author)
		{
			$authors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($this-&gt;sanitize($author[&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, &#039;author&#039;) as $author)
		{
			$authors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($this-&gt;sanitize($author[&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}

		if (!empty($authors))
		{
			return array_unique($authors);
		}

		return null;
	}

	/**
	 * Get a contributor for the feed
	 *
	 * @since 1.1
	 * @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1
	 * @return SimplePie_Author|null
	 */
	public function get_contributor($key = 0)
	{
		$contributors = $this-&gt;get_contributors();
		if (isset($contributors[$key]))
		{
			return $contributors[$key];
		}

		return null;
	}

	/**
	 * Get all contributors for the feed
	 *
	 * Uses `&lt;atom:contributor&gt;`
	 *
	 * @since 1.1
	 * @return array|null List of {@see SimplePie_Author} objects
	 */
	public function get_contributors()
	{
		$contributors = array();
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;contributor&#039;) as $contributor)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;name&#039;][0][&#039;data&#039;]))
			{
				$name = $this-&gt;sanitize($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;name&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;uri&#039;][0][&#039;data&#039;]))
			{
				$uri = $this-&gt;sanitize($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;uri&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;uri&#039;][0]));
			}
			if (isset($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;email&#039;][0][&#039;data&#039;]))
			{
				$email = $this-&gt;sanitize($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;email&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$contributors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($name, $uri, $email));
			}
		}
		foreach ((array) $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;contributor&#039;) as $contributor)
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;name&#039;][0][&#039;data&#039;]))
			{
				$name = $this-&gt;sanitize($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;name&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;url&#039;][0][&#039;data&#039;]))
			{
				$url = $this-&gt;sanitize($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;url&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;url&#039;][0]));
			}
			if (isset($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;email&#039;][0][&#039;data&#039;]))
			{
				$email = $this-&gt;sanitize($contributor[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;email&#039;][0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$contributors[] = $this-&gt;registry-&gt;create(&#039;Author&#039;, array($name, $url, $email));
			}
		}

		if (!empty($contributors))
		{
			return array_unique($contributors);
		}

		return null;
	}

	/**
	 * Get a single link for the feed
	 *
	 * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
	 * @param int $key The link that you want to return. Remember that arrays begin with 0, not 1
	 * @param string $rel The relationship of the link to return
	 * @return string|null Link URL
	 */
	public function get_link($key = 0, $rel = &#039;alternate&#039;)
	{
		$links = $this-&gt;get_links($rel);
		if (isset($links[$key]))
		{
			return $links[$key];
		}

		return null;
	}

	/**
	 * Get the permalink for the item
	 *
	 * Returns the first link available with a relationship of &quot;alternate&quot;.
	 * Identical to {@see get_link()} with key 0
	 *
	 * @see get_link
	 * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
	 * @internal Added for parity between the parent-level and the item/entry-level.
	 * @return string|null Link URL
	 */
	public function get_permalink()
	{
		return $this-&gt;get_link(0);
	}

	/**
	 * Get all links for the feed
	 *
	 * Uses `&lt;atom:link&gt;` or `&lt;link&gt;`
	 *
	 * @since Beta 2
	 * @param string $rel The relationship of links to return
	 * @return array|null Links found for the feed (strings)
	 */
	public function get_links($rel = &#039;alternate&#039;)
	{
		if (!isset($this-&gt;data[&#039;links&#039;]))
		{
			$this-&gt;data[&#039;links&#039;] = array();
			if ($links = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;link&#039;))
			{
				foreach ($links as $link)
				{
					if (isset($link[&#039;attribs&#039;][&#039;&#039;][&#039;href&#039;]))
					{
						$link_rel = (isset($link[&#039;attribs&#039;][&#039;&#039;][&#039;rel&#039;])) ? $link[&#039;attribs&#039;][&#039;&#039;][&#039;rel&#039;] : &#039;alternate&#039;;
						$this-&gt;data[&#039;links&#039;][$link_rel][] = $this-&gt;sanitize($link[&#039;attribs&#039;][&#039;&#039;][&#039;href&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($link));
					}
				}
			}
			if ($links = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;link&#039;))
			{
				foreach ($links as $link)
				{
					if (isset($link[&#039;attribs&#039;][&#039;&#039;][&#039;href&#039;]))
					{
						$link_rel = (isset($link[&#039;attribs&#039;][&#039;&#039;][&#039;rel&#039;])) ? $link[&#039;attribs&#039;][&#039;&#039;][&#039;rel&#039;] : &#039;alternate&#039;;
						$this-&gt;data[&#039;links&#039;][$link_rel][] = $this-&gt;sanitize($link[&#039;attribs&#039;][&#039;&#039;][&#039;href&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($link));

					}
				}
			}
			if ($links = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;link&#039;))
			{
				$this-&gt;data[&#039;links&#039;][&#039;alternate&#039;][] = $this-&gt;sanitize($links[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($links[0]));
			}
			if ($links = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;link&#039;))
			{
				$this-&gt;data[&#039;links&#039;][&#039;alternate&#039;][] = $this-&gt;sanitize($links[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($links[0]));
			}
			if ($links = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;link&#039;))
			{
				$this-&gt;data[&#039;links&#039;][&#039;alternate&#039;][] = $this-&gt;sanitize($links[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($links[0]));
			}

			$keys = array_keys($this-&gt;data[&#039;links&#039;]);
			foreach ($keys as $key)
			{
				if ($this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;is_isegment_nz_nc&#039;, array($key)))
				{
					if (isset($this-&gt;data[&#039;links&#039;][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
					{
						$this-&gt;data[&#039;links&#039;][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this-&gt;data[&#039;links&#039;][$key], $this-&gt;data[&#039;links&#039;][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
						$this-&gt;data[&#039;links&#039;][$key] =&amp; $this-&gt;data[&#039;links&#039;][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
					}
					else
					{
						$this-&gt;data[&#039;links&#039;][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =&amp; $this-&gt;data[&#039;links&#039;][$key];
					}
				}
				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
				{
					$this-&gt;data[&#039;links&#039;][substr($key, 41)] =&amp; $this-&gt;data[&#039;links&#039;][$key];
				}
				$this-&gt;data[&#039;links&#039;][$key] = array_unique($this-&gt;data[&#039;links&#039;][$key]);
			}
		}

		if (isset($this-&gt;data[&#039;headers&#039;][&#039;link&#039;]))
		{
			$link_headers = $this-&gt;data[&#039;headers&#039;][&#039;link&#039;];
			if (is_string($link_headers)) {
				$link_headers = array($link_headers);
			}
			$matches = preg_filter(&#039;/&lt;([^&gt;]+)&gt;; rel=&#039;.preg_quote($rel).&#039;/&#039;, &#039;$1&#039;, $link_headers);
			if (!empty($matches)) {
				return $matches;
			}
		}

		if (isset($this-&gt;data[&#039;links&#039;][$rel]))
		{
			return $this-&gt;data[&#039;links&#039;][$rel];
		}

		return null;
	}

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

	/**
	 * Get the content for the item
	 *
	 * Uses `&lt;atom:subtitle&gt;`, `&lt;atom:tagline&gt;`, `&lt;description&gt;`,
	 * `&lt;dc:description&gt;`, `&lt;itunes:summary&gt;` or `&lt;itunes:subtitle&gt;`
	 *
	 * @since 1.0 (previously called `get_feed_description()` since 0.8)
	 * @return string|null
	 */
	public function get_description()
	{
		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;subtitle&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;atom_10_construct_type&#039;, array($return[0][&#039;attribs&#039;])), $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;tagline&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;atom_03_construct_type&#039;, array($return[0][&#039;attribs&#039;])), $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;description&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;description&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;description&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;description&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;description&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, &#039;summary&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_HTML, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, &#039;subtitle&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_HTML, $this-&gt;get_base($return[0]));
		}

		return null;
	}

	/**
	 * Get the copyright info for the feed
	 *
	 * Uses `&lt;atom:rights&gt;`, `&lt;atom:copyright&gt;` or `&lt;dc:rights&gt;`
	 *
	 * @since 1.0 (previously called `get_feed_copyright()` since 0.8)
	 * @return string|null
	 */
	public function get_copyright()
	{
		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;rights&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;atom_10_construct_type&#039;, array($return[0][&#039;attribs&#039;])), $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;copyright&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], $this-&gt;registry-&gt;call(&#039;Misc&#039;, &#039;atom_03_construct_type&#039;, array($return[0][&#039;attribs&#039;])), $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;copyright&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;rights&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;rights&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}

		return null;
	}

	/**
	 * Get the language for the feed
	 *
	 * Uses `&lt;language&gt;`, `&lt;dc:language&gt;`, or @xml_lang
	 *
	 * @since 1.0 (previously called `get_feed_language()` since 0.8)
	 * @return string|null
	 */
	public function get_language()
	{
		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;language&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;language&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;language&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;feed&#039;][0][&#039;xml_lang&#039;]))
		{
			return $this-&gt;sanitize($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_10][&#039;feed&#039;][0][&#039;xml_lang&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;feed&#039;][0][&#039;xml_lang&#039;]))
		{
			return $this-&gt;sanitize($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_ATOM_03][&#039;feed&#039;][0][&#039;xml_lang&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;xml_lang&#039;]))
		{
			return $this-&gt;sanitize($this-&gt;data[&#039;child&#039;][SIMPLEPIE_NAMESPACE_RDF][&#039;RDF&#039;][0][&#039;xml_lang&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this-&gt;data[&#039;headers&#039;][&#039;content-language&#039;]))
		{
			return $this-&gt;sanitize($this-&gt;data[&#039;headers&#039;][&#039;content-language&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}

		return null;
	}

	/**
	 * Get the latitude coordinates for the item
	 *
	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
	 *
	 * Uses `&lt;geo:lat&gt;` or `&lt;georss:point&gt;`
	 *
	 * @since 1.0
	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
	 * @link http://www.georss.org/ GeoRSS
	 * @return string|null
	 */
	public function get_latitude()
	{

		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, &#039;lat&#039;))
		{
			return (float) $return[0][&#039;data&#039;];
		}
		elseif (($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, &#039;point&#039;)) &amp;&amp; preg_match(&#039;/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/&#039;, trim($return[0][&#039;data&#039;]), $match))
		{
			return (float) $match[1];
		}

		return null;
	}

	/**
	 * Get the longitude coordinates for the feed
	 *
	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
	 *
	 * Uses `&lt;geo:long&gt;`, `&lt;geo:lon&gt;` or `&lt;georss:point&gt;`
	 *
	 * @since 1.0
	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
	 * @link http://www.georss.org/ GeoRSS
	 * @return string|null
	 */
	public function get_longitude()
	{
		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, &#039;long&#039;))
		{
			return (float) $return[0][&#039;data&#039;];
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, &#039;lon&#039;))
		{
			return (float) $return[0][&#039;data&#039;];
		}
		elseif (($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, &#039;point&#039;)) &amp;&amp; preg_match(&#039;/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/&#039;, trim($return[0][&#039;data&#039;]), $match))
		{
			return (float) $match[2];
		}

		return null;
	}

	/**
	 * Get the feed logo&#039;s title
	 *
	 * RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a &quot;feed logo&quot; title.
	 *
	 * Uses `&lt;image&gt;&lt;title&gt;` or `&lt;image&gt;&lt;dc:title&gt;`
	 *
	 * @return string|null
	 */
	public function get_image_title()
	{
		if ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, &#039;title&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_TEXT);
		}

		return null;
	}

	/**
	 * Get the feed logo&#039;s URL
	 *
	 * RSS 0.9.0, 2.0, Atom 1.0, and feeds with iTunes RSS tags are allowed to
	 * have a &quot;feed logo&quot; URL. This points directly to the image itself.
	 *
	 * Uses `&lt;itunes:image&gt;`, `&lt;atom:logo&gt;`, `&lt;atom:icon&gt;`,
	 * `&lt;image&gt;&lt;title&gt;` or `&lt;image&gt;&lt;dc:title&gt;`
	 *
	 * @return string|null
	 */
	public function get_image_url()
	{
		if ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, &#039;image&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;attribs&#039;][&#039;&#039;][&#039;href&#039;], SIMPLEPIE_CONSTRUCT_IRI);
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;logo&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;icon&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;url&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;url&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;url&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}

		return null;
	}


	/**
	 * Get the feed logo&#039;s link
	 *
	 * RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a &quot;feed logo&quot; link. This
	 * points to a human-readable page that the image should link to.
	 *
	 * Uses `&lt;itunes:image&gt;`, `&lt;atom:logo&gt;`, `&lt;atom:icon&gt;`,
	 * `&lt;image&gt;&lt;title&gt;` or `&lt;image&gt;&lt;dc:title&gt;`
	 *
	 * @return string|null
	 */
	public function get_image_link()
	{
		if ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;link&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;link&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}
		elseif ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;link&#039;))
		{
			return $this-&gt;sanitize($return[0][&#039;data&#039;], SIMPLEPIE_CONSTRUCT_IRI, $this-&gt;get_base($return[0]));
		}

		return null;
	}

	/**
	 * Get the feed logo&#039;s link
	 *
	 * RSS 2.0 feeds are allowed to have a &quot;feed logo&quot; width.
	 *
	 * Uses `&lt;image&gt;&lt;width&gt;` or defaults to 88.0 if no width is specified and
	 * the feed is an RSS 2.0 feed.
	 *
	 * @return int|float|null
	 */
	public function get_image_width()
	{
		if ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;width&#039;))
		{
			return round($return[0][&#039;data&#039;]);
		}
		elseif ($this-&gt;get_type() &amp; SIMPLEPIE_TYPE_RSS_SYNDICATION &amp;&amp; $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;url&#039;))
		{
			return 88.0;
		}

		return null;
	}

	/**
	 * Get the feed logo&#039;s height
	 *
	 * RSS 2.0 feeds are allowed to have a &quot;feed logo&quot; height.
	 *
	 * Uses `&lt;image&gt;&lt;height&gt;` or defaults to 31.0 if no height is specified and
	 * the feed is an RSS 2.0 feed.
	 *
	 * @return int|float|null
	 */
	public function get_image_height()
	{
		if ($return = $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;height&#039;))
		{
			return round($return[0][&#039;data&#039;]);
		}
		elseif ($this-&gt;get_type() &amp; SIMPLEPIE_TYPE_RSS_SYNDICATION &amp;&amp; $this-&gt;get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;url&#039;))
		{
			return 31.0;
		}

		return null;
	}

	/**
	 * Get the number of items in the feed
	 *
	 * This is well-suited for {@link http://php.net/for for()} loops with
	 * {@see get_item()}
	 *
	 * @param int $max Maximum value to return. 0 for no limit
	 * @return int Number of items in the feed
	 */
	public function get_item_quantity($max = 0)
	{
		$max = (int) $max;
		$qty = count($this-&gt;get_items());
		if ($max === 0)
		{
			return $qty;
		}

		return ($qty &gt; $max) ? $max : $qty;
	}

	/**
	 * Get a single item from the feed
	 *
	 * This is better suited for {@link http://php.net/for for()} loops, whereas
	 * {@see get_items()} is better suited for
	 * {@link http://php.net/foreach foreach()} loops.
	 *
	 * @see get_item_quantity()
	 * @since Beta 2
	 * @param int $key The item that you want to return. Remember that arrays begin with 0, not 1
	 * @return SimplePie_Item|null
	 */
	public function get_item($key = 0)
	{
		$items = $this-&gt;get_items();
		if (isset($items[$key]))
		{
			return $items[$key];
		}

		return null;
	}

	/**
	 * Get all items from the feed
	 *
	 * This is better suited for {@link http://php.net/for for()} loops, whereas
	 * {@see get_items()} is better suited for
	 * {@link http://php.net/foreach foreach()} loops.
	 *
	 * @see get_item_quantity
	 * @since Beta 2
	 * @param int $start Index to start at
	 * @param int $end Number of items to return. 0 for all items after `$start`
	 * @return SimplePie_Item[]|null List of {@see SimplePie_Item} objects
	 */
	public function get_items($start = 0, $end = 0)
	{
		if (!isset($this-&gt;data[&#039;items&#039;]))
		{
			if (!empty($this-&gt;multifeed_objects))
			{
				$this-&gt;data[&#039;items&#039;] = SimplePie::merge_items($this-&gt;multifeed_objects, $start, $end, $this-&gt;item_limit);
				if (empty($this-&gt;data[&#039;items&#039;]))
				{
					return array();
				}
				return $this-&gt;data[&#039;items&#039;];
			}
			$this-&gt;data[&#039;items&#039;] = array();
			if ($items = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, &#039;entry&#039;))
			{
				$keys = array_keys($items);
				foreach ($keys as $key)
				{
					$this-&gt;data[&#039;items&#039;][] = $this-&gt;registry-&gt;create(&#039;Item&#039;, array($this, $items[$key]));
				}
			}
			if ($items = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, &#039;entry&#039;))
			{
				$keys = array_keys($items);
				foreach ($keys as $key)
				{
					$this-&gt;data[&#039;items&#039;][] = $this-&gt;registry-&gt;create(&#039;Item&#039;, array($this, $items[$key]));
				}
			}
			if ($items = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, &#039;item&#039;))
			{
				$keys = array_keys($items);
				foreach ($keys as $key)
				{
					$this-&gt;data[&#039;items&#039;][] = $this-&gt;registry-&gt;create(&#039;Item&#039;, array($this, $items[$key]));
				}
			}
			if ($items = $this-&gt;get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, &#039;item&#039;))
			{
				$keys = array_keys($items);
				foreach ($keys as $key)
				{
					$this-&gt;data[&#039;items&#039;][] = $this-&gt;registry-&gt;create(&#039;Item&#039;, array($this, $items[$key]));
				}
			}
			if ($items = $this-&gt;get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, &#039;item&#039;))
			{
				$keys = array_keys($items);
				foreach ($keys as $key)
				{
					$this-&gt;data[&#039;items&#039;][] = $this-&gt;registry-&gt;create(&#039;Item&#039;, array($this, $items[$key]));
				}
			}
		}

		if (empty($this-&gt;data[&#039;items&#039;]))
		{
			return array();
		}

		if ($this-&gt;order_by_date)
		{
			if (!isset($this-&gt;data[&#039;ordered_items&#039;]))
			{
				$this-&gt;data[&#039;ordered_items&#039;] = $this-&gt;data[&#039;items&#039;];
				usort($this-&gt;data[&#039;ordered_items&#039;], array(get_class($this), &#039;sort_items&#039;));
		 	}
			$items = $this-&gt;data[&#039;ordered_items&#039;];
		}
		else
		{
			$items = $this-&gt;data[&#039;items&#039;];
		}
		// Slice the data as desired
		if ($end === 0)
		{
			return array_slice($items, $start);
		}

		return array_slice($items, $start, $end);
	}

	/**
	 * Set the favicon handler
	 *
	 * @deprecated Use your own favicon handling instead
	 */
	public function set_favicon_handler($page = false, $qs = &#039;i&#039;)
	{
		$level = defined(&#039;E_USER_DEPRECATED&#039;) ? E_USER_DEPRECATED : E_USER_WARNING;
		trigger_error(&#039;Favicon handling has been removed, please use your own handling&#039;, $level);
		return false;
	}

	/**
	 * Get the favicon for the current feed
	 *
	 * @deprecated Use your own favicon handling instead
	 */
	public function get_favicon()
	{
		$level = defined(&#039;E_USER_DEPRECATED&#039;) ? E_USER_DEPRECATED : E_USER_WARNING;
		trigger_error(&#039;Favicon handling has been removed, please use your own handling&#039;, $level);

		if (($url = $this-&gt;get_link()) !== null)
		{
			return &#039;https://www.google.com/s2/favicons?domain=&#039; . urlencode($url);
		}

		return false;
	}

	/**
	 * Magic method handler
	 *
	 * @param string $method Method name
	 * @param array $args Arguments to the method
	 * @return mixed
	 */
	public function __call($method, $args)
	{
		if (strpos($method, &#039;subscribe_&#039;) === 0)
		{
			$level = defined(&#039;E_USER_DEPRECATED&#039;) ? E_USER_DEPRECATED : E_USER_WARNING;
			trigger_error(&#039;subscribe_*() has been deprecated, implement the callback yourself&#039;, $level);
			return &#039;&#039;;
		}
		if ($method === &#039;enable_xml_dump&#039;)
		{
			$level = defined(&#039;E_USER_DEPRECATED&#039;) ? E_USER_DEPRECATED : E_USER_WARNING;
			trigger_error(&#039;enable_xml_dump() has been deprecated, use get_raw_data() instead&#039;, $level);
			return false;
		}

		$class = get_class($this);
		$trace = debug_backtrace(); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection
		$file = $trace[0][&#039;file&#039;];
		$line = $trace[0][&#039;line&#039;];
		trigger_error(&quot;Call to undefined method $class::$method() in $file on line $line&quot;, E_USER_ERROR);
	}

	/**
	 * Sorting callback for items
	 *
	 * @access private
	 * @param SimplePie $a
	 * @param SimplePie $b
	 * @return boolean
	 */
	public static function sort_items($a, $b)
	{
		$a_date = $a-&gt;get_date(&#039;U&#039;);
		$b_date = $b-&gt;get_date(&#039;U&#039;);
		if ($a_date &amp;&amp; $b_date) {
			return $a_date &gt; $b_date ? -1 : 1;
		}
		// Sort items without dates to the top.
		if ($a_date) {
			return 1;
		}
		if ($b_date) {
			return -1;
		}
		return 0;
	}

	/**
	 * Merge items from several feeds into one
	 *
	 * If you&#039;re merging multiple feeds together, they need to all have dates
	 * for the items or else SimplePie will refuse to sort them.
	 *
	 * @link http://simplepie.org/wiki/tutorial/sort_multiple_feeds_by_time_and_date#if_feeds_require_separate_per-feed_settings
	 * @param array $urls List of SimplePie feed objects to merge
	 * @param int $start Starting item
	 * @param int $end Number of items to return
	 * @param int $limit Maximum number of items per feed
	 * @return array
	 */
	public static function merge_items($urls, $start = 0, $end = 0, $limit = 0)
	{
		if (is_array($urls) &amp;&amp; sizeof($urls) &gt; 0)
		{
			$items = array();
			foreach ($urls as $arg)
			{
				if ($arg instanceof SimplePie)
				{
					$items = array_merge($items, $arg-&gt;get_items(0, $limit));
				}
				else
				{
					trigger_error(&#039;Arguments must be SimplePie objects&#039;, E_USER_WARNING);
				}
			}

			usort($items, array(get_class($urls[0]), &#039;sort_items&#039;));

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

			return array_slice($items, $start, $end);
		}

		trigger_error(&#039;Cannot merge zero SimplePie objects&#039;, E_USER_WARNING);
		return array();
	}

	/**
	 * Store PubSubHubbub links as headers
	 *
	 * There is no way to find PuSH links in the body of a microformats feed,
	 * so they are added to the headers when found, to be used later by get_links.
	 * @param SimplePie_File $file
	 * @param string $hub
	 * @param string $self
	 */
	private function store_links(&amp;$file, $hub, $self) {
		if (isset($file-&gt;headers[&#039;link&#039;][&#039;hub&#039;]) ||
			  (isset($file-&gt;headers[&#039;link&#039;]) &amp;&amp;
			   preg_match(&#039;/rel=hub/&#039;, $file-&gt;headers[&#039;link&#039;])))
		{
			return;
		}

		if ($hub)
		{
			if (isset($file-&gt;headers[&#039;link&#039;]))
			{
				if ($file-&gt;headers[&#039;link&#039;] !== &#039;&#039;)
				{
					$file-&gt;headers[&#039;link&#039;] = &#039;, &#039;;
				}
			}
			else
			{
				$file-&gt;headers[&#039;link&#039;] = &#039;&#039;;
			}
			$file-&gt;headers[&#039;link&#039;] .= &#039;&lt;&#039;.$hub.&#039;&gt;; rel=hub&#039;;
			if ($self)
			{
				$file-&gt;headers[&#039;link&#039;] .= &#039;, &lt;&#039;.$self.&#039;&gt;; rel=self&#039;;
			}
		}
	}
}
endif;
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