mirror of
https://gitee.com/zoujingli/WeChatDeveloper.git
synced 2025-04-05 01:42:45 +08:00
210 lines
7.2 KiB
PHP
210 lines
7.2 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | WeChatDeveloper
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// +----------------------------------------------------------------------
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// | 版权所有 2014~2023 ThinkAdmin [ thinkadmin.top ]
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// +----------------------------------------------------------------------
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// | 官方网站: https://thinkadmin.top
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// +----------------------------------------------------------------------
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// | 开源协议 ( https://mit-license.org )
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// | 免责声明 ( https://thinkadmin.top/disclaimer )
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// +----------------------------------------------------------------------
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// | gitee 代码仓库：https://gitee.com/zoujingli/WeChatDeveloper
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// | github 代码仓库：https://github.com/zoujingli/WeChatDeveloper
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// +----------------------------------------------------------------------
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namespace WeChat\Contracts;
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use WeChat\Exceptions\InvalidArgumentException;
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use WeChat\Exceptions\InvalidResponseException;
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/**
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* 微信支付基础类
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* Class BasicPay
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* @package WeChat\Contracts
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*/
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class BasicWePay
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{
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/**
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* 商户配置
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* @var DataArray
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*/
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protected $config;
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/**
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* 当前请求数据
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* @var DataArray
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*/
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protected $params;
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/**
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* 静态缓存
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* @var static
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*/
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protected static $cache;
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/**
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* WeChat constructor.
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* @param array $options
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*/
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public function __construct(array $options)
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{
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if (empty($options['appid'])) {
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throw new InvalidArgumentException("Missing Config -- [appid]");
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}
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if (empty($options['mch_id'])) {
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throw new InvalidArgumentException("Missing Config -- [mch_id]");
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}
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if (empty($options['mch_key'])) {
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throw new InvalidArgumentException("Missing Config -- [mch_key]");
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}
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if (!empty($options['cache_path'])) {
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Tools::$cache_path = $options['cache_path'];
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}
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$this->config = new DataArray($options);
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// 商户基础参数
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$this->params = new DataArray([
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'appid' => $this->config->get('appid'),
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'mch_id' => $this->config->get('mch_id'),
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'nonce_str' => Tools::createNoncestr(),
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]);
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// 商户参数支持
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if ($this->config->get('sub_appid')) {
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$this->params->set('sub_appid', $this->config->get('sub_appid'));
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}
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if ($this->config->get('sub_mch_id')) {
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$this->params->set('sub_mch_id', $this->config->get('sub_mch_id'));
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}
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}
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/**
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* 静态创建对象
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* @param array $config
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* @return static
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*/
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public static function instance(array $config)
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{
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$key = md5(get_called_class() . serialize($config));
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if (isset(self::$cache[$key])) return self::$cache[$key];
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return self::$cache[$key] = new static($config);
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}
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/**
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* 获取微信支付通知
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* @return array
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* @throws \WeChat\Exceptions\InvalidResponseException
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*/
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public function getNotify()
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{
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$data = Tools::xml2arr(file_get_contents('php://input'));
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if (isset($data['sign']) && $this->getPaySign($data) === $data['sign']) {
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return $data;
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}
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throw new InvalidResponseException('Invalid Notify.', '0');
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}
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/**
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* 获取微信支付通知回复内容
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* @return string
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*/
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public function getNotifySuccessReply()
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{
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return Tools::arr2xml(['return_code' => 'SUCCESS', 'return_msg' => 'OK']);
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}
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/**
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* 生成支付签名
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* @param array $data 参与签名的数据
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* @param string $signType 参与签名的类型
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* @param string $buff 参与签名字符串前缀
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* @return string
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*/
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public function getPaySign(array $data, $signType = 'MD5', $buff = '')
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{
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ksort($data);
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if (isset($data['sign'])) unset($data['sign']);
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foreach ($data as $k => $v) {
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if ('' === $v || null === $v) continue;
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$buff .= "{$k}={$v}&";
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}
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$buff .= ("key=" . $this->config->get('mch_key'));
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if (strtoupper($signType) === 'MD5') {
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return strtoupper(md5($buff));
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}
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return strtoupper(hash_hmac('SHA256', $buff, $this->config->get('mch_key')));
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}
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/**
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* 转换短链接
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* @param string $longUrl 需要转换的URL，签名用原串，传输需URLencode
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* @return array
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* @throws \WeChat\Exceptions\InvalidResponseException
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* @throws \WeChat\Exceptions\LocalCacheException
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*/
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public function shortUrl($longUrl)
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{
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$url = 'https://api.mch.weixin.qq.com/tools/shorturl';
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return $this->callPostApi($url, ['long_url' => $longUrl]);
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}
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/**
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* 数组直接转xml数据输出
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* @param array $data
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* @param bool $isReturn
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* @return string
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*/
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public function toXml(array $data, $isReturn = false)
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{
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$xml = Tools::arr2xml($data);
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if ($isReturn) {
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return $xml;
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}
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echo $xml;
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}
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/**
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* 以 Post 请求接口
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* @param string $url 请求
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* @param array $data 接口参数
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* @param bool $isCert 是否需要使用双向证书
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* @param string $signType 数据签名类型 MD5|SHA256
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* @param bool $needSignType 是否需要传签名类型参数
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* @param bool $needNonceStr
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* @return array
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* @throws \WeChat\Exceptions\InvalidResponseException
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* @throws \WeChat\Exceptions\LocalCacheException
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*/
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protected function callPostApi($url, array $data, $isCert = false, $signType = 'HMAC-SHA256', $needSignType = true, $needNonceStr = true)
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{
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$option = [];
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if ($isCert) {
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$option['ssl_p12'] = $this->config->get('ssl_p12');
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$option['ssl_cer'] = $this->config->get('ssl_cer');
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$option['ssl_key'] = $this->config->get('ssl_key');
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if (is_string($option['ssl_p12']) && file_exists($option['ssl_p12'])) {
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$content = file_get_contents($option['ssl_p12']);
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if (openssl_pkcs12_read($content, $certs, $this->config->get('mch_id'))) {
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$option['ssl_key'] = Tools::pushFile(md5($certs['pkey']) . '.pem', $certs['pkey']);
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$option['ssl_cer'] = Tools::pushFile(md5($certs['cert']) . '.pem', $certs['cert']);
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} else throw new InvalidArgumentException("P12 certificate does not match MCH_ID --- ssl_p12");
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}
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if (empty($option['ssl_cer']) || !file_exists($option['ssl_cer'])) {
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throw new InvalidArgumentException("Missing Config -- ssl_cer", '0');
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}
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if (empty($option['ssl_key']) || !file_exists($option['ssl_key'])) {
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throw new InvalidArgumentException("Missing Config -- ssl_key", '0');
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}
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}
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$params = $this->params->merge($data);
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if (!$needNonceStr) unset($params['nonce_str']);
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if ($needSignType) $params['sign_type'] = strtoupper($signType);
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$params['sign'] = $this->getPaySign($params, $signType);
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$result = Tools::xml2arr(Tools::post($url, Tools::arr2xml($params), $option));
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if ($result['return_code'] !== 'SUCCESS') {
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throw new InvalidResponseException($result['return_msg'], '0');
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}
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return $result;
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}
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}
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