App\Source\Composite\Menu::getAllItems PHP Method

    public function getAllItems()
    {
        $arItems = [];
        foreach ($this->menu as $item) {
            $arItems[$item->getId()] = $item;
            if ($item->length() > 0) {
                $arItems = $arItems + $item->getAllItems();
            }
        }
        return $arItems;
    }