Club Drupal

<?php

/**

 * @file

 * Custom Drupal 7 RequestMehod class for Google reCAPTCHA library.

 */

namespace ReCaptcha\RequestMethod;

use ReCaptcha\RequestMethod;

use ReCaptcha\RequestParameters;

/**

 * Sends POST requests to the reCAPTCHA service.

 */

class Drupal7Post implements RequestMethod {

  /**

   * URL to which requests are POSTed.

   * @const string

   */

  const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';

  /**

   * Submit the POST request with the specified parameters.

   *

   * @param RequestParameters $params Request parameters

   * @return string Body of the reCAPTCHA response

   */

  public function submit(RequestParameters $params) {

    $options = array(

      'headers' => array(

        'Content-type' => 'application/x-www-form-urlencoded',

      ),

      'method' => 'POST',

      'data' => $params->toQueryString(),

    );

    $response = drupal_http_request(self::SITE_VERIFY_URL, $options);

    return isset($response->data) ? $response->data : '';

  }

}