public function get_second_title($id = NULL) { $root = Category::get_root_title($id); $second = array(); foreach ($root as $v) { foreach ($v->categories as $v2) { $second[] = $v2; } } return $second; }
public function actionCategory_list() { $this->layout = 'create_list'; $categories = Category::get_root_title(); return $this->render('category_list', ['categories' => $categories]); }