private function handleCodeOperations($request) { include_once __DIR__ . '/../dataController/CodeController.php'; if (isset($request[1])) { $codeController = new CodeController($request[1]); if (isset($request[2])) { $this->setResponseCodesAndData($codeController->getById($request[2]), 1); } else { $this->setResponseCodesAndData($codeController->getAll(), 1); } } else { $this->setResponseCodesAndData('specify code type (e.g. serverName/api/item_category)', 5); } }