function riddler_captcha in Captcha Riddler 7

Same name and namespace in other branches

1. 8 riddler.module \riddler_captcha()
2. 5 riddler.module \riddler_captcha()
3. 6 riddler.module \riddler_captcha()

Implementation of hook_captcha().

File

./riddler.module, line 223

Adds a question and answer type to the Captcha module.

Code

function riddler_captcha($op, $captcha_type = '') {
  switch ($op) {
    case 'list':
      return array(
        'Riddler',
      );
      break;
    case 'generate':
      if ($captcha_type == 'Riddler') {
        $result = array();
        $riddles = riddler_get_riddles();
        $key = array_rand($riddles);
        $result['form']['captcha_response'] = array(
          '#type' => 'textfield',
          '#title' => t(filter_xss($riddles[$key]['question'])),
          '#description' => t('Fill in the blank.'),
          '#size' => 50,
          '#maxlength' => 50,
          '#required' => TRUE,
          '#weight' => variable_get('riddler_weight', 0),
        );
        $result['solution'] = t(filter_xss((string) drupal_strtolower($riddles[$key]['answer'])));
        $result['captcha_validate'] = 'riddler_captcha_validate';
        return $result;
      }
      break;
  }
}