function _menu_update_parental_status

7.x menu.inc _menu_update_parental_status($item, $exclude = FALSE)
6.x menu.inc _menu_update_parental_status($item, $exclude = FALSE)

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 drupal/includes/menu.inc
Saves a menu link.
_menu_delete_item in drupal/includes/menu.inc
Deletes a single menu link.
_menu_link_move_children in drupal/includes/menu.inc
Updates the children of a menu link that is being moved.

File

drupal/includes/menu.inc, line 3563
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();
  }
}