Omnipay\Alipay\Requests\LegacyQueryRequest::sendData PHP Method

    public function sendData($data)
    {
        $url = sprintf('%s?%s', $this->getEndpoint(), http_build_query($this->getData()));
        $result = $this->httpClient->get($url)->send()->getBody();
        $xml = simplexml_load_string($result);
        $json = json_encode($xml);
        $data = json_decode($json, true);
        return $this->response = new LegacyQueryResponse($this, $data);
    }