public function Queryorder($transaction_id) { $input = new OrderQuery(); $input->SetTransaction_id($transaction_id); $result = Api::orderQuery($input); if (array_key_exists("return_code", $result) && array_key_exists("result_code", $result) && $result["return_code"] == "SUCCESS" && $result["result_code"] == "SUCCESS") { return true; } return false; }