PHPDaemon\SockJS\Session::sendFrame PHP Method

    public function sendFrame($data, $type = 0x0, $cb = null)
    {
        if ($this->finished) {
            return false;
        }
        $this->framesBuffer[] = $data;
        if ($cb !== null) {
            $this->onWrite->push($cb);
        }
        $this->flush();
        return true;
    }