Title: wp-includes/rss.php | Developer.WordPress.org --- # File: wp-includes/rss.php * method[RSSCache::__construct()](https://developer.wordpress.org/reference/classes/rsscache/__construct/) * PHP5 constructor. * Used by [2 functions](https://developer.wordpress.org/reference/classes/rsscache/__construct/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/rsscache/__construct/#uses) | Source: [wp-includes/rss.php:726](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L726-L735) * method[MagpieRSS::__construct()](https://developer.wordpress.org/reference/classes/magpierss/__construct/) * PHP5 constructor. * Used by [2 functions](https://developer.wordpress.org/reference/classes/magpierss/__construct/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/magpierss/__construct/#uses) | Source: [wp-includes/rss.php:61](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L61-L103) * method[RSSCache::debug()](https://developer.wordpress.org/reference/classes/rsscache/debug/) * Used by [1 function](https://developer.wordpress.org/reference/classes/rsscache/debug/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/rsscache/debug/#uses) | Source: [wp-includes/rss.php:835](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L835-L839) * hook[load_feed_engine](https://developer.wordpress.org/reference/hooks/load_feed_engine/) * Fires before MagpieRSS is loaded, to optionally replace it. * Used by [0 functions](https://developer.wordpress.org/reference/hooks/load_feed_engine/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_feed_engine/#uses) | Source: [wp-includes/rss.php:27](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L27-L27) * method[RSSCache::serialize()](https://developer.wordpress.org/reference/classes/rsscache/serialize/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/serialize/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/rsscache/serialize/#uses) | Source: [wp-includes/rss.php:801](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L801-L803) * method[RSSCache::unserialize()](https://developer.wordpress.org/reference/classes/rsscache/unserialize/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/unserialize/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/rsscache/unserialize/#uses) | Source: [wp-includes/rss.php:808](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L808-L810) * method[RSSCache::file_name()](https://developer.wordpress.org/reference/classes/rsscache/file_name/) * Used by [3 functions](https://developer.wordpress.org/reference/classes/rsscache/file_name/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/rsscache/file_name/#uses) | Source: [wp-includes/rss.php:818](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L818-L820) * method[RSSCache::error()](https://developer.wordpress.org/reference/classes/rsscache/error/) * Used by [1 function](https://developer.wordpress.org/reference/classes/rsscache/error/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/rsscache/error/#uses) | Source: [wp-includes/rss.php:826](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L826-L834) * method[MagpieRSS::map_attrs()](https://developer.wordpress.org/reference/classes/magpierss/map_attrs/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/magpierss/map_attrs/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/magpierss/map_attrs/#uses) | Source: [wp-includes/rss.php:387](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L387-L389) * method[MagpieRSS::error()](https://developer.wordpress.org/reference/classes/magpierss/error/) * Used by [1 function](https://developer.wordpress.org/reference/classes/magpierss/error/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/magpierss/error/#uses) | Source: [wp-includes/rss.php:391](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L391-L397) * class[RSSCache](https://developer.wordpress.org/reference/classes/rsscache/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/rsscache/#uses) | Source: [wp-includes/rss.php:718](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L718-L840) * method[RSSCache::RSSCache()](https://developer.wordpress.org/reference/classes/rsscache/rsscache/) * PHP4 constructor. * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/rsscache/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/rsscache/rsscache/#uses) | Source: [wp-includes/rss.php:740](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L740-L742) * method[MagpieRSS::feed_end_element()](https://developer.wordpress.org/reference/classes/magpierss/feed_end_element/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/magpierss/feed_end_element/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/magpierss/feed_end_element/#uses) | Source: [wp-includes/rss.php:235](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L235-L278) * method[RSSCache::set()](https://developer.wordpress.org/reference/classes/rsscache/set/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/set/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/rsscache/set/#uses) | Source: [wp-includes/rss.php:750](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L750-L756) * method[MagpieRSS::concat()](https://developer.wordpress.org/reference/classes/magpierss/concat/) * Used by [2 functions](https://developer.wordpress.org/reference/classes/magpierss/concat/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/magpierss/concat/#uses) | Source: [wp-includes/rss.php:280](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L280-L285) * method[RSSCache::get()](https://developer.wordpress.org/reference/classes/rsscache/get/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/get/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/rsscache/get/#uses) | Source: [wp-includes/rss.php:764](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L764-L776) * method[MagpieRSS::append_content()](https://developer.wordpress.org/reference/classes/magpierss/append_content/) * Used by [3 functions](https://developer.wordpress.org/reference/classes/magpierss/append_content/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/magpierss/append_content/#uses) | Source: [wp-includes/rss.php:287](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L287-L294) * method[RSSCache::check_cache()](https://developer.wordpress.org/reference/classes/rsscache/check_cache/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/rsscache/check_cache/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/rsscache/check_cache/#uses) | Source: [wp-includes/rss.php:785](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L785-L796) * method[MagpieRSS::append()](https://developer.wordpress.org/reference/classes/magpierss/append/) * Used by [2 functions](https://developer.wordpress.org/reference/classes/magpierss/append/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/magpierss/append/#uses) | Source: [wp-includes/rss.php:297](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L297-L339) * method[MagpieRSS::normalize()](https://developer.wordpress.org/reference/classes/magpierss/normalize/) * Used by [1 function](https://developer.wordpress.org/reference/classes/magpierss/normalize/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/magpierss/normalize/#uses) | Source: [wp-includes/rss.php:341](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L341-L367) * method[MagpieRSS::is_rss()](https://developer.wordpress.org/reference/classes/magpierss/is_rss/) * Used by [1 function](https://developer.wordpress.org/reference/classes/magpierss/is_rss/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/magpierss/is_rss/#uses) | Source: [wp-includes/rss.php:369](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L369-L376) * method[MagpieRSS::is_atom()](https://developer.wordpress.org/reference/classes/magpierss/is_atom/) * Used by [1 function](https://developer.wordpress.org/reference/classes/magpierss/is_atom/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/magpierss/is_atom/#uses) | Source: [wp-includes/rss.php:378](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L378-L385) * class[MagpieRSS](https://developer.wordpress.org/reference/classes/magpierss/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/magpierss/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/magpierss/#uses) | Source: [wp-includes/rss.php:34](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L34-L399) * function[init()](https://developer.wordpress.org/reference/functions/init/) * Set up constants with default values, unless user overrides. * Used by [1 function](https://developer.wordpress.org/reference/functions/init/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/init/#uses) | Source: [wp-includes/rss.php:643](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L643-L692) * method[MagpieRSS::MagpieRSS()](https://developer.wordpress.org/reference/classes/magpierss/magpierss/) * PHP4 constructor. * Used by [0 functions](https://developer.wordpress.org/reference/classes/magpierss/magpierss/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/magpierss/magpierss/#uses) | Source: [wp-includes/rss.php:108](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L108-L110) * function[is_info()](https://developer.wordpress.org/reference/functions/is_info/) * Used by [0 functions](https://developer.wordpress.org/reference/functions/is_info/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/is_info/#uses) | Source: [wp-includes/rss.php:694](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L694-L696) * method[MagpieRSS::feed_start_element()](https://developer.wordpress.org/reference/classes/magpierss/feed_start_element/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/magpierss/feed_start_element/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/magpierss/feed_start_element/#uses) | Source: [wp-includes/rss.php:112](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L112-L221) * function[is_success()](https://developer.wordpress.org/reference/functions/is_success/) * Used by [1 function](https://developer.wordpress.org/reference/functions/is_success/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/is_success/#uses) | Source: [wp-includes/rss.php:698](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L698-L700) * method[MagpieRSS::feed_cdata()](https://developer.wordpress.org/reference/classes/magpierss/feed_cdata/) * Used by [0 functions](https://developer.wordpress.org/reference/classes/magpierss/feed_cdata/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/magpierss/feed_cdata/#uses) | Source: [wp-includes/rss.php:223](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L223-L233) * function[is_redirect()](https://developer.wordpress.org/reference/functions/is_redirect/) * Used by [0 functions](https://developer.wordpress.org/reference/functions/is_redirect/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/is_redirect/#uses) | Source: [wp-includes/rss.php:702](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rss.php#L702-L704) 1 [2](https://developer.wordpress.org/reference/files/wp-includes/rss.php/page/2/?output_format=md) [Next Page](https://developer.wordpress.org/reference/files/wp-includes/rss.php/page/2/?output_format=md)