/** * Returns cluster expiry timestamp for given $id * @param $id */ protected function getExpiryTime( $id ) { $storedTimeStamp = $this->expiryHandler->hasTimestamp( $id ) ? $this->expiryHandler->timestamp( $id ) : false; $expiryTime = $storedTimeStamp !== false ? $storedTimeStamp : 0; return $expiryTime; }