* @since 1.23
*/
private static function getCachedRevisionObject( $parser, $title = null ) {
- static $cache = array();
+ static $cache = null;
+ if ( $cache == null ) {
+ $cache = new MapCacheLRU( 50 );
+ }
if ( is_null( $title ) ) {
return null;
// Normalize name for cache
$page = $title->getPrefixedDBkey();
- if ( array_key_exists( $page, $cache ) ) { // cache contains null values
- return $cache[$page];
+ if ( $cache->has( $page ) ) { // cache contains null values
+ return $cache->get( $page );
}
if ( $parser->incrementExpensiveFunctionCount() ) {
$rev = Revision::newFromTitle( $title, false, Revision::READ_NORMAL );
$pageID = $rev ? $rev->getPage() : 0;
$revID = $rev ? $rev->getId() : 0;
- $cache[$page] = $rev; // maybe null
+ $cache->set( $page, $rev ); // maybe null
// Register dependency in templatelinks
$parser->getOutput()->addTemplate( $title, $pageID, $revID );
return $rev;
}
- $cache[$page] = null;
+ $cache->set( $page, null );
return null;
}