Omnipay\Alipay\Requests\AbstractAopRequest::sendData PHP Метод

    public function sendData($data)
    {
        $url = $this->getRequestUrl($data);
        $body = $this->getRequestBody();
        $response = $this->httpClient->post($url)->setBody($body, 'application/x-www-form-urlencoded')->send()->getBody();
        $response = $this->decode($response);
        return $response;
    }

 /**
  * Send the request with specified data
  *
  * @param  mixed $data The data to send
  *
  * @return AopTradePayResponse|AopTradeQueryResponse
  * @throws InvalidRequestException
  */
 public function sendData($data)
 {
     $data = parent::sendData($data);
     $this->response = new AopTradePayResponse($this, $data);
     if ($this->response->isWaitPay() && $this->polling) {
         $this->polling();
     }
     return $this->response;
 }