public function addItem($title, $href, $parentId, $regularLink = false)
{
$menuItem = new MenuItem();
$menuItem->setAttributes(['parent_id' => (int) $parentId, 'menu_id' => $this->id, 'title' => $title, 'href' => $href, 'regular_link' => $regularLink]);
if (true === $menuItem->save()) {
Yii::app()->getCache()->clear(['menu', $this->code]);
return true;
}
return false;
}