* @param $lastmod Integer: timestamp of the last item in the recentchanges table
* @param $timekey String: memcached key of the last modification
* @param $key String: memcached key of the content
- * @return feed's content on cache hit or false on cache miss
+ * @return string|bool feed's content on cache hit or false on cache miss
*/
public function loadFromCache( $lastmod, $timekey, $key ) {
global $wgFeedCacheTimeout, $wgOut, $messageMemc;