PayPal\PayPalAPI\MassPayReq::toXMLString PHP Méthode

    public function toXMLString()
    {
        $str = '';
        $str .= '<ns:MassPayReq>';
        if ($this->MassPayRequest != null) {
            $str .= '<ns:MassPayRequest>';
            $str .= $this->MassPayRequest->toXMLString();
            $str .= '</ns:MassPayRequest>';
        }
        $str .= '</ns:MassPayReq>';
        return $str;
    }