Omnipay\WechatPay\Message\CreateOrderResponse::getAppOrderData PHP Метод

    public function getAppOrderData()
    {
        if ($this->isSuccessful()) {
            $data = array('appid' => $this->request->getAppId(), 'partnerid' => $this->request->getMchId(), 'prepayid' => $this->getPrepayId(), 'package' => 'Sign=WXPay', 'noncestr' => md5(uniqid()), 'timestamp' => time());
            $data['sign'] = Helper::sign($data, $this->request->getApiKey());
        } else {
            $data = null;
        }
        return $data;
    }