videlalvaro / php-amqplib

     * @param string $out_of_band

     * @return mixed

     */

    protected function x_open($out_of_band = '')

    {

        if ($this->is_open) {

            return null;

        }

        list($class_id, $method_id, $args) = $this->protocolWriter->channelOpen($out_of_band);

        $this->send_method_frame(array($class_id, $method_id), $args);

        return $this->wait(array(

            $this->waitHelper->get_wait('channel.open_ok')

        ));

    }

    /**

     * @param AMQPReader $args

     *

     * @param bool $nowait

     */

    public function confirm_select($nowait = false)

    {

        list($class_id, $method_id, $args) = $this->protocolWriter->confirmSelect($nowait);

        $this->send_method_frame(array($class_id, $method_id), $args);

        if ($nowait) {

            return null;

        }

        $this->wait(array($this->waitHelper->get_wait('confirm.select_ok')));

        $this->next_delivery_tag = 1;

    }

    /**

     * Confirms a selection