RSSCache
- Source
wp-includes/rss.php:715
Compatibility
- WordPress
- core
- 6.7.7
- 6.8.8
- 6.9.7
- 7.0.4
- 7.1.0
Present in every tracked release (6.7.7 to 7.1.0).
Properties · 3
$BASE_CACHEpublic$MAX_AGEpublic$ERRORpublic
Methods · 10
- __construct()PHP5 constructor.
- RSSCache()PHP4 constructor.
- set()
- get()
- check_cache()
- serialize()
- unserialize()
- file_name()
- error()
- debug()
Source code
class RSSCache { var $BASE_CACHE; // where the cache files are stored var $MAX_AGE = 43200; // when are files stale, default twelve hours var $ERROR = ''; // accumulate error messages /** * PHP5 constructor. */ function __construct( $base = '', $age = '' ) { $this->BASE_CACHE = WP_CONTENT_DIR . '/cache'; if ( $base ) { $this->BASE_CACHE = $base; } if ( $age ) { $this->MAX_AGE = $age; } } /** * PHP4 constructor. */ public function RSSCache( $base = '', $age = '' ) { self::__construct( $base, $age ); } /*=======================================================================*\ Function: set Purpose: add an item to the cache, keyed on url Input: url from which the rss file was fetched Output: true on success\*=======================================================================*/ function set ($url, $rss) { $cache_option = 'rss_' . $this->file_name( $url ); set_transient($cache_option, $rss, $this->MAX_AGE); return $cache_option; } /*=======================================================================*\ Function: get Purpose: fetch an item from the cache Input: url from which the rss file was fetched Output: cached object on HIT, false on MISS\*=======================================================================*/ function get ($url) { $this->ERROR = ""; $cache_option = 'rss_' . $this->file_name( $url ); if ( ! $rss = get_transient( $cache_option ) ) { $this->debug( "Cache does not contain: $url (cache option: $cache_option)" ); return 0; } return $rss; } /*=======================================================================*\ Function: check_cache Purpose: check a url for membership in the cache and whether the object is older then MAX_AGE (ie. STALE) Input: url from which the rss file was fetched Output: cached object on HIT, false on MISS\*=======================================================================*/ function check_cache ( $url ) { $this->ERROR = ""; $cache_option = 'rss_' . $this->file_name( $url ); if ( get_transient($cache_option) ) { // object exists and is current return 'HIT'; } else { // object does not exist return 'MISS'; } }Changelog
Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
About this page
- Parsed data
- Generated from the wordpress-develop 6.7.7 tag, from
src/wp-includes/rss.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it. - Corrections
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