src/Captcha.php
public function verify($response, $clientIp = null)
    {
        if (empty($response)) {
            return false;
        }
        $getRequestMethod = $this->config->get('captcha.request_method');
        $requestMethod = is_string($getRequestMethod) ? $this->app->call($getRequestMethod) : null;
        $reCaptCha = new ReCaptcha($this->config->get('captcha.secret'), $requestMethod);

        return $reCaptCha->verify($response, $clientIp)->isSuccess();
    }
public function verify($response, $clientIp = null)
    {
        if (empty($response)) {
            return false;
        }
        $getRequestMethod = $this->config->get('captcha.request_method');
        $requestMethod = is_string($getRequestMethod) ? $this->app->call($getRequestMethod) : null;
        $reCaptCha = new ReCaptcha($this->config->get('captcha.secret'), $requestMethod);

        return $reCaptCha->verify($response, $clientIp)->isSuccess();
    }
Verify captcha

@param  string $response
@param  string $clientIp
@return bool