/**
* Add new item.
*
* @param string $url
* @param string $label
* @param array $attributes
*
* @return MenuItem
*/
public function addItem($url, $label, $attributes = [])
{
$item = new MenuItem($url, $label, $attributes);
$item->setPrefix($this->_prefix);
$this->_items[] = $item;
return $item;
}
/**
* Returns the children of the item.
*
* @return array|null
*/
public function getChildren()
{
return $this->_item->getChildren()->toArray();
}
