protected function cleanRooms(): void
    {
        if (count($keys = $this->redis->keys("{$this->prefix}*"))) {
            $this->redis->del($keys);
        }
    }
protected function cleanRooms(): void
    {
        if (count($keys = $this->redis->keys("{$this->prefix}*"))) {
            $this->redis->del($keys);
        }
    }
protected function cleanRooms ( ) : void { if ( count ( $ keys = $ this -> redis -> keys ( "{$this->prefix}*" ) ) ) { $ this -> redis -> del ( $ keys ) ; } }
Clean all rooms.
Clean all rooms .