getCategories(); foreach ($helps as $key => $help) { $helps[$key]['category'] = $categories[$help['category_id']] ?? new \stdClass(); } return $helps; } public function getCategories() { $cache = new CategoryListCache(); $items = $cache->get(CategoryModel::TYPE_HELP); if (empty($items)) { return []; } $result = []; foreach ($items as $item) { $result[$item['id']] = [ 'id' => $item['id'], 'name' => $item['name'], ]; } return $result; } }