Kraken\Network\NetworkConnectionInterface::close PHP Метод

    public function close();

 /**
  * @override
  * @inheritDoc
  */
 public function close($code = 1000)
 {
     if ($this->WebSocket->closing) {
         return;
     }
     if ($code instanceof DataInterface) {
         $this->send($code);
     } else {
         $this->send(new Frame(pack('n', $code), true, Frame::OP_CLOSE));
     }
     $this->connection->close();
     $this->WebSocket->closing = true;
 }