/**
* @param $type string
* @param $sign string ('+' or '-')
- * @return void
+ * @return string
*/
private function getTypeCacheKey( $type, $sign ) {
return wfMemcKey( 'sitestatsupdate', 'pendingdelta', $type, $sign );
/**
* Reduce pending delta counters after updates have been applied
- * @param Array Result of getPendingDeltas(), used for DB update
+ * @param Array $pd Result of getPendingDeltas(), used for DB update
* @return void
*/
protected function removePendingDeltas( array $pd ) {