Club Drupal

 * Load a validation rule.

 *

 * @param int $ruleid

 *   The rule ID.

 *

 * @return array|false

 *   The rule or FALSE if no rule exists.

  $result = db_query("SELECT ruleid, rulename, nid, validator, data, error_message, negate, weight FROM {webform_validation_rule} WHERE ruleid = :ruleid", array(':ruleid' => $ruleid), array('fetch' => PDO::FETCH_ASSOC));

  $rule = $result->fetchAssoc();

  if (!$rule) {

    return FALSE;

  }

  $rule['components'] = webform_validation_get_rule_components($ruleid, $rule['nid']);

  $rule['negate'] = (bool) $rule['negate'];

  return $rule;

  if (module_exists('maxlength')) {

    $nid = substr($form_id, strlen('webform_client_form') + 1);

    $rules = webform_validation_get_node_rules($nid);

    foreach ($rules as $ruleid => $rule) {

      if ($rule['validator'] == 'max_length') {

        $length_limit = $rule['data'];

        $components = $rule['components'];

        foreach ($components as $cid => $component) {

          // Define $form_element as the webform element representing this

          // component, even if it's nested in multiple arrays, as webform

          // elemens often are (e.g., fieldsets). Assign by reference here,

          // since we need to modify the form element itself and don't know

          // its array depth or keys by which to access it.

          $form_element = &_webform_validation_get_webform_element($component, $form);

          // Append to this form element the relevant properties which are

          // supported by maxlength module.

          $form_element['#pre_render'][] = 'maxlength_pre_render';

          $form_element['#maxlength'] = $length_limit;

          $form_element['#maxlength_js'] = TRUE;

        }

      }

    }

  }

    $transaction = db_transaction();

  $transaction = db_transaction();

 * Implements hook_entity_uuid_save().

      $transaction = db_transaction();

}

/**

 * Get a reference to a specific webform element.

 *

 * (For a given webform_validation rule component, and a given Drupal webform

 * form, get a reference to the webform element represented by the rule

 * component; return the correct element regardless of how deeply it's nested

 * in webform fieldsets or other wrappers.)

 *

 * @param array $component

 *   Webform validation rule component.

 * @param array $form

 *   Drupal webform form.

 *

 * @return array

 *   Reference to the webform element represented by the rule component.

 */

function &_webform_validation_get_webform_element(array $component, array &$form) {

  // Define an array of ancestors, beginning with the component itself.

  $component_ancestors = array($component['form_key']);

  // Define the parent-id, starting with the parent-id of the component itself,

  // if any.

  $pid = $component['pid'];

  // Look into $form['#node']->webform['components'][$pid] to get any parent

  // of the component, and continue working up the family tree until there is

  // no more parent-id.

  while ($pid) {

    $parent = $form['#node']->webform['components'][$pid];

    // Prepend the parent form_key to the array of ancestors. This causes the

    // array of ancestors to be ordered from ancestor to descendant.

    array_unshift($component_ancestors, $parent['form_key']);

    // Note this parent's parent-id, if any.

    $pid = $parent['pid'];

  }

  // $component_ancestors now contains the ordered ancestry. Cycle through it to

  // get the correct member of $form['submitted']. Assign by reference so that

  // we have a good reference to $webform_element to return.

  $webform_element = &$form['submitted'];

  foreach ($component_ancestors as $ancestor) {

    $webform_element = &$webform_element[$ancestor];

  }

  return $webform_element;