本文实例讲述了PHP实现微信退款的方法。分享给大家供大家参考，具体如下：
$obj = new WXRefund('参数');
$obj->refundApi();
直接能用 公众号的参数 自己加上吧 只能帮你们到这了！
<"<xml>";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else {
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
}
$xml .= "</xml>";
return $xml;
}
/**
* 签名加密
* @param $params
* @param $key
*/
protected function getSign($params, $key)
{
ksort($params, SORT_STRING);
$unSignParaString = $this->formatQueryParaMap($params, false);
return $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));
}
/**
* 排序
* @param $paraMap
* @param bool $urlEncode
* @return bool|string
*/
protected function formatQueryParaMap($paraMap, $urlEncode = false)
{
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v) {
if (null != $v && "null" != $v) {
if ($urlEncode) {
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
}
$reqPar = '';
if (strlen($buff) > 0) {
$reqPar = substr($buff, 0, strlen($buff) - 1);
}
return $reqPar;
}
/**
* 需要使用证书的请求
* @param $xml
* @param $url
* @param int $second
* @return bool|mixed
*/
protected function postXmlSSLCurl($xml, $url, $second = 30)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
curl_setopt($ch, CURLOPT_SSLCERT, $this->SSLCERT_PATH);
curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
curl_setopt($ch, CURLOPT_SSLKEY, $this->SSLKEY_PATH);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
$data = curl_exec($ch);
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
echo "curl出错，错误码:$error" . "<br>";
curl_close($ch);
return false;
}
}
}
更多关于PHP相关内容感兴趣的读者可查看本站专题：《PHP微信开发技巧汇总》、《php curl用法总结》、《PHP网络编程技巧总结》、《php字符串(string)用法总结》、《PHP中json格式数据操作技巧汇总》及《PHP针对XML文件操作技巧总结》
希望本文所述对大家PHP程序设计有所帮助。
标签：
PHP,微信,退款
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