src/mg/Ding/Helpers/Tcp/TcpClientHelper.php
public function close()
    {
        $this->_connected = false;
        $this->_handler->disconnect();
        socket_close($this->_socket);
        $this->_socket = false;
    }
public function close()
    {
        $this->_connected = false;
        $this->_handler->disconnect();
        socket_close($this->_socket);
        $this->_socket = false;
    }
Call this to close the connection.

@return void