function riddler_captcha_validate in Captcha Riddler 8

Same name and namespace in other branches

1. 6 riddler.module \riddler_captcha_validate()
2. 7 riddler.module \riddler_captcha_validate()

Custom validation for Riddler.

1 string reference to 'riddler_captcha_validate'

riddler_captcha in ./riddler.module

Implements hook_captcha().

File

./riddler.module, line 65

Code

function riddler_captcha_validate($solution, $captcha_response, $element, $form_state) {

  // There can be multiple possible answers, so explode solution.
  $solutions = explode(',', $solution);

  // Remove any stray spaces.
  $solutions = array_map('trim', $solutions);
  $isolutions = array_map('strtolower', $solutions);
  switch (\Drupal::config('captcha.settings')
    ->get('default_validation')) {
    case CAPTCHA_DEFAULT_VALIDATION_CASE_SENSITIVE:
      return in_array($captcha_response, $solutions);
      break;
    case CAPTCHA_DEFAULT_VALIDATION_CASE_INSENSITIVE:
      return in_array(strtolower($captcha_response), $isolutions);
      break;
  }

  // Just in case.
  return FALSE;
}