widget category

public function run()
    {
        $categories = Category::find()->published()->orderBy('id ASC')->all();

        // Рендерим представление
        echo $this->render('category', [
            'categories' => $categories,
            'title' => $this->title,
            'menuItems' => $this->getMenuItems($categories)
        ]);
    }

    private function getMenuItems($categories, $activeId = null, $parent = null)
    {
        $menuItems = [];
        foreach ($categories as $category) {
            if ($category->parent_id === $parent) {
                $menuItems[$category->id] = [
                    'active' => $activeId === $category->id,
                    'label' => $category->title,
                    'url' => ['/catalog/default/list', 'slug' => $category->slug],
                    'items' => $this->getMenuItems($categories, $activeId, $category->id),
                ];
            }
        }
        return $menuItems;
    }