Backend\Core\Engine\Navigation::addActiveStateToNavigation PHP Метод

    private function addActiveStateToNavigation($navigation, $depth = 0)
    {
        $selectedKeys = $this->getSelectedKeys();
        foreach ($navigation as $key => &$item) {
            if ($key == $selectedKeys[$depth]) {
                $item['active'] = true;
                if (!empty($item['children'])) {
                    $item['children'] = $this->addActiveStateToNavigation($item['children'], $depth + 1);
                }
            }
        }
        return $navigation;
    }