<"WXBizMsgCrypt.php";
// 假设企业号在公众平台上设置的参数如下
$encodingAesKey = "xxx";
$token = "xxx";
$corpId = "xxx";//填写自己的相关参数，与微信公众平台一致
/*
------------使用示例一：验证回调URL---------------
*企业开启回调模式时，企业号会向验证url发送一个get请求
假设点击验证时，企业收到类似请求：
* GET /cgi-bin/wxpush"msg_signature");
$sVerifyMsgSig = $_GET["msg_signature"] ;//"5c45ff5e21c57e6ad56bac8758b79b1d9ac89fd3";
// $sVerifyTimeStamp = HttpUtils.ParseUrl("timestamp");
$sVerifyTimeStamp = $_GET["timestamp"];//"1409659589";
// $sVerifyNonce = HttpUtils.ParseUrl("nonce");
$sVerifyNonce = $_GET["nonce"];//"263014780";
// $sVerifyEchoStr = HttpUtils.ParseUrl("echostr");
$sVerifyEchoStr = $_GET["echostr"];//"P9nAzCzyDtyTWESHep1vC5X9xho/qYX3Zpb4yKa9SKld1DsH3Iyt3tP3zNdtp+4RPcs8TgAE7OaBO+FZXvnaqQ==";
// 需要返回的明文
$EchoStr = "";
$wxcpt = new WXBizMsgCrypt($token, $encodingAesKey, $corpId);
$errCode = $wxcpt->VerifyURL($sVerifyMsgSig, $sVerifyTimeStamp, $sVerifyNonce, $sVerifyEchoStr, $sEchoStr);
if ($errCode == 0) {
  echo $sEchoStr;
  //
  // 验证URL成功，将sEchoStr返回
  // HttpUtils.SetResponce($sEchoStr);
} else {
  print("ERR: " . $errCode . "\n\n");
}