PhpOrient\Protocols\Binary\Operations\Connect::_write PHP Method

    protected function _write()
    {
        if ($this->serializationType == Constants::SERIALIZATION_SERIAL_BIN) {
            throw new PhpOrientWrongProtocolVersionException('Serialization Type Binary not yet supported');
        }
        if (empty($this->username) && empty($this->password)) {
            throw new PhpOrientBadMethodCallException('Can not begin a connection ' . 'without connection parameters');
        }
        $this->_writeString($this->clientName);
        $this->_writeString($this->clientVersion);
        $this->_writeShort($this->_transport->getProtocolVersion());
        if ($this->_transport->getProtocolVersion() > 21) {
            $this->_writeString($this->_clientID);
            $this->_writeString($this->serializationType);
            if ($this->_transport->getProtocolVersion() > 26) {
                $this->_writeBoolean($this->_transport->isRequestToken());
                # token
                if ($this->_transport->getProtocolVersion() >= 36) {
                    $this->_writeBoolean(true);
                    # support-push
                    $this->_writeBoolean(true);
                    # collect-stats
                }
            }
            $this->_writeString($this->username);
            $this->_writeString($this->password);
        } else {
            $this->_writeString($this->_clientID);
            $this->_writeString($this->username);
            $this->_writeString($this->password);
        }
    }