/**
* @param \Baum\Node $node
* @param array $items
* @return array
*/
protected function appendMenu($node, &$items)
{
$items[] = ['title' => $node->present()->indentedTitle(), 'id' => $node->id];
if (count($node->children)) {
foreach ($node->children as $child) {
foreach ($child->getDescendantsAndSelf()->toHierarchy() as $menu) {
$this->appendMenu($menu, $items);
}
}
}
}