/**
* Calls the reCAPTCHA siteverify API to verify whether the user passes
* CAPTCHA test.
*
* @param string $response The value of 'g-recaptcha-response' in the submitted form.
* @param string $remoteIp The end user's IP address.
* @return Response Response from the service.
*/
public function verify($response, $remoteIp = null)
{
// Discard empty solution submissions
if (empty($response)) {
$recaptchaResponse = new Response(false, array('missing-input-response'));
return $recaptchaResponse;
}
$params = new RequestParameters($this->secret, $response, $remoteIp, self::VERSION);
$rawResponse = $this->requestMethod->submit($params);
return Response::fromJson($rawResponse);
}
