dispatch(new GetCategoryName($id))) { return null; } return $ad; } ), new \Twig_SimpleFunction( 'category_detail', function ($id) { if (!$ad = $this->dispatch(new GetCategoryDetail($id))) { return null; } return $ad; } ), new \Twig_SimpleFunction( 'category_parents_name', function ($id) { $category_model = new CategoryModel(); return $category_model->getParentCats($id,'add_main'); } ) ]; } }