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   1  <?php
   2  /**
   3   * This is a PHP library that handles calling reCAPTCHA.
   4   *
   5   * BSD 3-Clause License
   6   * @copyright (c) 2019, Google Inc.
   7   * @link https://www.google.com/recaptcha
   8   * All rights reserved.
   9   *
  10   * Redistribution and use in source and binary forms, with or without
  11   * modification, are permitted provided that the following conditions are met:
  12   * 1. Redistributions of source code must retain the above copyright notice, this
  13   *    list of conditions and the following disclaimer.
  14   *
  15   * 2. Redistributions in binary form must reproduce the above copyright notice,
  16   *    this list of conditions and the following disclaimer in the documentation
  17   *    and/or other materials provided with the distribution.
  18   *
  19   * 3. Neither the name of the copyright holder nor the names of its
  20   *    contributors may be used to endorse or promote products derived from
  21   *    this software without specific prior written permission.
  22   *
  23   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  27   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  30   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  31   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  32   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33   */
  34  
  35  namespace ReCaptcha;
  36  
  37  /**
  38   * Method used to send the request to the service.
  39   */
  40  interface RequestMethod
  41  {
  42  
  43      /**
  44       * Submit the request with the specified parameters.
  45       *
  46       * @param RequestParameters $params Request parameters
  47       * @return string Body of the reCAPTCHA response
  48       */
  49      public function submit(RequestParameters $params);
  50  }