MenuTreeStorage::purgeMultiple

protected MenuTreeStorage::purgeMultiple(array $ids)

protected function purgeMultiple(array $ids) {
  $loaded = $this->loadFullMultiple($ids);
  foreach ($loaded as $id => $link) {
    if ($link['has_children']) {
      $children = $this->loadByProperties(array('parent' => $id));
      foreach ($children as $child) {
        $child['parent'] = $link['parent'];
        $this->save($child);
      }
    }
  }
  $this->doDeleteMultiple($ids);
}