Многоуровневое меню twig с хранением данных о элементах в базе данных?

$navbarMain = $this->app->db->prepareFetchAssocAll("SELECT * FROM `fox_admin_navbar` WHERE `parent_id` = ''");
		$navbar = array();

		for($i=0; $i<count($navbarMain); $i++) {
			$id = $navbarMain[$i]['id'];
			$name = $navbarMain[$i]['name'];
			$parentId =  $navbarMain[$i]['parent_id'];
			$icon = $navbarMain[$i]['icon'];
			$link = $navbarMain[$i]['link'];

			$navbarChild = $this->app->db->prepareFetchAssocAll("SELECT * FROM `fox_admin_navbar` WHERE `parent_id` = ?", array($id));

			$childData = array();

			if($navbarChild) {
				for($x=0; $x<count($navbarChild); $x++) {
					$childId = $navbarChild[$x]['id'];
					$childName = $navbarChild[$x]['name'];
					$childIcon = $navbarChild[$x]['icon'];
					$childLink = $navbarChild[$x]['link'];

					$child = array(
						$x => array(
							'id' => $childId,
							'name' => $childName,
							'icon' => $childIcon,
							'link' => $childLink
						)
					);

					$childData = array_merge($childData, $child);
				}
			} else { $childData = ''; }

			$data = array(
				$i => array(
					'id' => $id,
					'name' => $name,
					'childs' => $childData,
					'icon' => $icon,
					'link' => $link
				)
			);

			$navbar = array_merge($navbar, $data);
		}

		$this->pageMacros = array_merge($this->pageMacros, array('navbar' => $navbar));