<?php declare(strict_types=1); namespace Yansongda\Pay\Direction; use Psr\Http\Message\ResponseInterface; use Yansongda\Pay\Contract\DirectionInterface; use Yansongda\Pay\Contract\PackerInterface; use Yansongda\Pay\Exception\Exception; use Yansongda\Pay\Exception\InvalidResponseException; class OriginResponseDirection implements DirectionInterface { /** * @throws InvalidResponseException */ public function parse(PackerInterface $packer, ?ResponseInterface $response): ?ResponseInterface { if (!is_null($response)) { return $response; } throw new InvalidResponseException(Exception::INVALID_RESPONSE_CODE); } }