function honeypot_get_protected_forms in Honeypot 7

Same name and namespace in other branches

1. 8 honeypot.module \honeypot_get_protected_forms()
2. 6 honeypot.module \honeypot_get_protected_forms()
3. 2.0.x honeypot.module \honeypot_get_protected_forms()

Build an array of all the protected forms on the site, by form_id.

@todo - Add in API call/hook to allow modules to add to this array.

1 call to honeypot_get_protected_forms()

honeypot_form_alter in ./honeypot.module

Implements hook_form_alter().

File

./honeypot.module, line 173

Honeypot module, for deterring spam bots from completing Drupal forms.

Code

function honeypot_get_protected_forms() {
  $forms =& drupal_static(__FUNCTION__);

  // If the data isn't already in memory, get from cache or look it up fresh.
  if (!isset($forms)) {
    if ($cache = cache_get('honeypot_protected_forms')) {
      $forms = $cache->data;
    }
    else {
      $forms = array();

      // Look up all the honeypot forms in the variables table.
      $result = db_query("SELECT name FROM {variable} WHERE name LIKE 'honeypot_form_%'")
        ->fetchCol();

      // Add each form that's enabled to the $forms array.
      foreach ($result as $variable) {
        if (variable_get($variable, 0)) {
          $forms[] = substr($variable, 14);
        }
      }

      // Save the cached data.
      cache_set('honeypot_protected_forms', $forms, 'cache');
    }
  }
  return $forms;
}