function _menu_update_parental_status in Drupal 7

Same name and namespace in other branches

1. 6 includes/menu.inc \_menu_update_parental_status()

Checks and updates the 'has_children' status for the parent of a link.

Related topics

3 calls to _menu_update_parental_status()

menu_link_save in includes/menu.inc

Saves a menu link.

_menu_delete_item in includes/menu.inc

Deletes a single menu link.

_menu_link_move_children in includes/menu.inc

Updates the children of a menu link that is being moved.

File

includes/menu.inc, line 3582

API for the Drupal menu system.

Code

function _menu_update_parental_status($item, $exclude = FALSE) {

  // If plid == 0, there is nothing to update.
  if ($item['plid']) {

    // Check if at least one visible child exists in the table.
    $query = db_select('menu_links');
    $query
      ->addField('menu_links', 'mlid');
    $query
      ->condition('menu_name', $item['menu_name']);
    $query
      ->condition('hidden', 0);
    $query
      ->condition('plid', $item['plid']);
    $query
      ->range(0, 1);
    if ($exclude) {
      $query
        ->condition('mlid', $item['mlid'], '<>');
    }
    $parent_has_children = (bool) $query
      ->execute()
      ->fetchField() ? 1 : 0;
    db_update('menu_links')
      ->fields(array(
      'has_children' => $parent_has_children,
    ))
      ->condition('mlid', $item['plid'])
      ->execute();
  }
}