微信企业号开发php版1-接口验证

<?php //更改第8行corpID，token和encodingAesKey可选用代码里的参数填写include_once "WXBizMsgCrypt.php";// 假设企业号在公众平台上设置的参数如下$encodingAesKey = "jWmYm7qr5nMoAUwZRjGtBxmz3KA1tkAj3ykkR6q2B2C";$token = "QDG6eK";$corpId = "xxxxxxxxxxxx";//需要更换$sVerifyMsgSig =$_GET["msg_signature"]; $sVerifyTimeStamp =$_GET["timestamp"]; $sVerifyNonce = $_GET["nonce"];$sVerifyEchoStr = $_GET["echostr"];// 需要返回的明文$sEchoStr = "";$wxcpt = new WXBizMsgCrypt($token, $encodingAesKey, $corpId);$errCode = $wxcpt->VerifyURL($sVerifyMsgSig, $sVerifyTimeStamp, $sVerifyNonce, $sVerifyEchoStr, $sEchoStr);if ($errCode == 0) {		echo $sEchoStr;	} else {	print("ERR: " . $errCode . "\n\n");}?>