<?php

/**

* SimplePie

*

* A PHP-Based RSS and Atom Feed Framework.

* Takes the hard work out of managing a complete RSS/Atom solution.

*

* Copyright (c) 2004-2022, 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 "AS IS" AND ANY EXPRESS

* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS

* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

*

* @package SimplePie

* @copyright 2004-2016 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

*/

namespace SimplePie;

/**

* SimplePie

*

* @package SimplePie

* @subpackage API

*/

class SimplePie

{

/**

* SimplePie Name

*/

const NAME = 'SimplePie';

/**

* SimplePie Version

*/

const VERSION = '1.7.0';

/**

* SimplePie Website URL

*/

const URL = 'http://simplepie.org';

/**

* SimplePie Linkback

*/

const LINKBACK = '<a href="' . self::URL . '" title="' . self::NAME . ' ' . self::VERSION . '">' . self::NAME . '</a>';

/**

* No Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_NONE = 0;

/**

* Feed Link Element Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_AUTODISCOVERY = 1;

/**

* Local Feed Extension Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_LOCAL_EXTENSION = 2;

/**

* Local Feed Body Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_LOCAL_BODY = 4;

/**

* Remote Feed Extension Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_REMOTE_EXTENSION = 8;

/**

* Remote Feed Body Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_REMOTE_BODY = 16;

/**

* All Feed Autodiscovery

* @see SimplePie::set_autodiscovery_level()

*/

const LOCATOR_ALL = 31;

/**

* No known feed type

*/

const TYPE_NONE = 0;

/**

* RSS 0.90

*/

const TYPE_RSS_090 = 1;

/**

* RSS 0.91 (Netscape)

*/

const TYPE_RSS_091_NETSCAPE = 2;

/**

* RSS 0.91 (Userland)

*/

const TYPE_RSS_091_USERLAND = 4;

/**

* RSS 0.91 (both Netscape and Userland)

*/

const TYPE_RSS_091 = 6;

/**

* RSS 0.92

*/

const TYPE_RSS_092 = 8;

/**

* RSS 0.93

*/

const TYPE_RSS_093 = 16;

/**

* RSS 0.94

*/

const TYPE_RSS_094 = 32;

/**

* RSS 1.0

*/

const TYPE_RSS_10 = 64;

/**

* RSS 2.0

*/

const TYPE_RSS_20 = 128;

/**

* RDF-based RSS

*/

const TYPE_RSS_RDF = 65;

/**

* Non-RDF-based RSS (truly intended as syndication format)

*/

const TYPE_RSS_SYNDICATION = 190;

/**

* All RSS

*/

const TYPE_RSS_ALL = 255;

/**

* Atom 0.3

*/

const TYPE_ATOM_03 = 256;

/**

* Atom 1.0

*/

const TYPE_ATOM_10 = 512;

/**

* All Atom

*/

const TYPE_ATOM_ALL = 768;

/**

* All feed types

*/

const TYPE_ALL = 1023;

/**

* No construct

*/

const CONSTRUCT_NONE = 0;

/**

* Text construct

*/

const CONSTRUCT_TEXT = 1;

/**

* HTML construct

*/

const CONSTRUCT_HTML = 2;

/**

* XHTML construct

*/

const CONSTRUCT_XHTML = 4;

/**

* base64-encoded construct

*/

const CONSTRUCT_BASE64 = 8;

/**

* IRI construct

*/

const CONSTRUCT_IRI = 16;

/**

* A construct that might be HTML

*/

const CONSTRUCT_MAYBE_HTML = 32;

/**

* All constructs

*/

const CONSTRUCT_ALL = 63;

/**

* Don't change case

*/

const SAME_CASE = 1;

/**

* Change to lowercase

*/

const LOWERCASE = 2;

/**

* Change to uppercase

*/

const UPPERCASE = 4;

/**

* PCRE for HTML attributes

*/

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

/**

* PCRE for XML attributes

*/

const PCRE_XML_ATTRIBUTE = '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*';

/**

* XML Namespace

*/

const NAMESPACE_XML = 'http://www.w3.org/XML/1998/namespace';

/**

* Atom 1.0 Namespace

*/

const NAMESPACE_ATOM_10 = 'http://www.w3.org/2005/Atom';

/**

* Atom 0.3 Namespace

*/

const NAMESPACE_ATOM_03 = 'http://purl.org/atom/ns#';

/**

* RDF Namespace

*/

const NAMESPACE_RDF = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';

/**

* RSS 0.90 Namespace

*/

const NAMESPACE_RSS_090 = 'http://my.netscape.com/rdf/simple/0.9/';

/**

* RSS 1.0 Namespace

*/

const NAMESPACE_RSS_10 = 'http://purl.org/rss/1.0/';

/**

* RSS 1.0 Content Module Namespace

*/

const NAMESPACE_RSS_10_MODULES_CONTENT = 'http://purl.org/rss/1.0/modules/content/';

/**

* RSS 2.0 Namespace

* (Stupid, I know, but I'm certain it will confuse people less with support.)

*/

const NAMESPACE_RSS_20 = '';

/**

* DC 1.0 Namespace

*/

const NAMESPACE_DC_10 = 'http://purl.org/dc/elements/1.0/';

/**

* DC 1.1 Namespace

*/

const NAMESPACE_DC_11 = 'http://purl.org/dc/elements/1.1/';

/**

* W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace

*/

const NAMESPACE_W3C_BASIC_GEO = 'http://www.w3.org/2003/01/geo/wgs84_pos#';

/**

* GeoRSS Namespace

*/

const NAMESPACE_GEORSS = 'http://www.georss.org/georss';

/**

* Media RSS Namespace

*/

const NAMESPACE_MEDIARSS = 'http://search.yahoo.com/mrss/';

/**

* Wrong Media RSS Namespace. Caused by a long-standing typo in the spec.

*/

const NAMESPACE_MEDIARSS_WRONG = 'http://search.yahoo.com/mrss';

/**

* Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5.

*/

const NAMESPACE_MEDIARSS_WRONG2 = 'http://video.search.yahoo.com/mrss';

/**

* Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace.

*/

const NAMESPACE_MEDIARSS_WRONG3 = 'http://video.search.yahoo.com/mrss/';

/**

* Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace.

*/

const NAMESPACE_MEDIARSS_WRONG4 = 'http://www.rssboard.org/media-rss';

/**

* Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL.

*/

const NAMESPACE_MEDIARSS_WRONG5 = 'http://www.rssboard.org/media-rss/';

/**

* iTunes RSS Namespace

*/

const NAMESPACE_ITUNES = 'http://www.itunes.com/dtds/podcast-1.0.dtd';

/**

* XHTML Namespace

*/

const NAMESPACE_XHTML = 'http://www.w3.org/1999/xhtml';

/**

* IANA Link Relations Registry

*/

const IANA_LINK_RELATIONS_REGISTRY = 'http://www.iana.org/assignments/relation/';

/**

* No file source

*/

const FILE_SOURCE_NONE = 0;

/**

* Remote file source

*/

const FILE_SOURCE_REMOTE = 1;

/**

* Local file source

*/

const FILE_SOURCE_LOCAL = 2;

/**

* fsockopen() file source

*/

const FILE_SOURCE_FSOCKOPEN = 4;

/**

* cURL file source

*/

const FILE_SOURCE_CURL = 8;

/**

* file_get_contents() file source

*/

const FILE_SOURCE_FILE_GET_CONTENTS = 16;

/**

* @var array Raw data

* @access private

*/

public $data = [];

/**

* @var mixed Error string

* @access private

*/

public $error;

/**

* @var int HTTP status code

* @see SimplePie::status_code()

* @access private

*/

public $status_code = 0;

/**

* @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 = '';

/**

* @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 = [];

/**

* @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 = './cache';

/**

* @var string Function that creates the cache filename

* @see SimplePie::set_cache_name_function()

* @access private

*/

public $cache_name_function = 'md5';

/**

* @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 = self::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 = [];

/**

* @var string Web-accessible path to the handler_image.php file.

* @see SimplePie::set_image_handler()

* @access private

*/

public $image_handler = '';

/**

* @var array Stores the URLs when multiple feeds are being initialized.

* @see SimplePie::set_feed_url()

* @access private

*/

public $multifeed_url = [];

/**

* @var array Stores SimplePie objects when multiple feeds initialized.

* @access private

*/

public $multifeed_objects = [];

/**

* @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 = ['bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'];

/**

* @var array Stores the default attributes to add to different tags by add_attributes().

* @see SimplePie::add_attributes()

* @access private

*/

public $add_attributes = ['audio' => ['preload' => 'none'], 'iframe' => ['sandbox' => 'allow-scripts allow-same-origin'], 'video' => ['preload' => 'none']];

/**

* @var array Stores the default tags to be stripped by strip_htmltags().

* @see SimplePie::strip_htmltags()

* @access private

*/

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

/**

* @var array Stores the default attributes to be renamed by rename_attributes().

* @see SimplePie::rename_attributes()

* @access private

*/

public $rename_attributes = [];

/**

* @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->init(). At that point the

* object'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, '5.6', '<')) {

trigger_error('Please upgrade to PHP 5.6 or newer.');

die();

}

$this->set_useragent();

// Other objects, instances created here so we can set options on them

$this->sanitize = new \SimplePie\Sanitize();

$this->registry = new \SimplePie\Registry();

if (func_num_args() > 0) {

$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;

trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_duration() directly.', $level);

$args = func_get_args();

switch (count($args)) {

case 3:

$this->set_cache_duration($args[2]);

// no break

case 2:

$this->set_cache_location($args[1]);

// no break

case 1:

$this->set_feed_url($args[0]);

$this->init();

}

}

}

/**

* Used for converting object to a string

*/

public function __toString()

{

return md5(serialize($this->data));

}

/**

* Remove items that link back to this before destroying this object

*/

public function __destruct()

{

if (!gc_enabled()) {

if (!empty($this->data['items'])) {

foreach ($this->data['items'] as $item) {

$item->__destruct();

}

unset($item, $this->data['items']);

}

if (!empty($this->data['ordered_items'])) {

foreach ($this->data['ordered_items'] as $item) {

$item->__destruct();

}

unset($item, $this->data['ordered_items']);

}

}

}

/**

* Force the given data/URL to be treated as a feed

*

* 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->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->multifeed_url = [];

if (is_array($url)) {

foreach ($url as $value) {

$this->multifeed_url[] = $this->registry->call('Misc', 'fix_protocol', [$value, 1]);

}

} else {

$this->feed_url = $this->registry->call('Misc', 'fix_protocol', [$url, 1]);

$this->permanent_url = $this->feed_url;

}

}

/**

* Set an instance of {@see \SimplePie\File} to use as a feed

*

* @param \SimplePie\File &$file

* @return bool True on success, false on failure

*/

public function set_file(&$file)

{

if ($file instanceof \SimplePie\File) {

$this->feed_url = $file->url;

$this->permanent_url = $this->feed_url;

$this->file =& $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->raw_data = $data;

}

/**

* Set the default timeout for fetching remote feeds

*

* This allows you to change the maximum time the feed's server to respond

* and send the feed back.

*

* @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->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 = [])

{

$this->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->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->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->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->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->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 = './cache')

{

$this->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->force_feed ? '#force_feed' : '';

$options = [];

if ($this->timeout != 10) {

$options[CURLOPT_TIMEOUT] = $this->timeout;

}

if ($this->useragent !== \SimplePie\Misc::get_default_useragent()) {

$options[CURLOPT_USERAGENT] = $this->useragent;

}

if (!empty($this->curl_options)) {

foreach ($this->curl_options as $k => $v) {

$options[$k] = $v;

}

}

if (!empty($options)) {

ksort($options);

$url .= '#' . urlencode(var_export($options, true));

}

return call_user_func($this->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->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->input_encoding = (string) $encoding;

} else {

$this->input_encoding = false;

}

}

/**

* Set how much feed autodiscovery to do

*

* @see \SimplePie\SimplePie::LOCATOR_NONE

* @see \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY

* @see \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION

* @see \SimplePie\SimplePie::LOCATOR_LOCAL_BODY

* @see \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION

* @see \SimplePie\SimplePie::LOCATOR_REMOTE_BODY

* @see \SimplePie\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 = self::LOCATOR_ALL)

{

$this->autodiscovery = (int) $level;

}

/**

* Get the class registry

*

* Use this to override SimplePie's default classes

* @see \SimplePie\Registry

* @return \SimplePie\Registry

*/

public function &get_registry()

{

return $this->registry;

}

/**#@+

* Useful when you are overloading or extending SimplePie'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 = 'SimplePie\Cache')

{