private function handleQuitCommand($attributes)
 {
     if (!isset($attributes['port']) || $attributes['port'] < 1 || $attributes['port'] > 65535) {
         $this->sendError("Wrong port for quit");
     } else {
         $srvinfo = ServerList::getServer($this->ip, $attributes['port']);
         if (isset($srvinfo)) {
             socket_write($this->_socket, "\\final\\");
             ServerList::removeServer($this->ip, $attributes['port']);
         }
     }
     $this->removeme = true;
 }