返回用户发送的文本消息，修改sample.php

<?php
//企业号返回用户的文本消息,替换模板的sample.php
//@author 易伟
//@date 2014-12-13
//更改corpID，token和encodingAesKey
include_once "WXBizMsgCrypt.php";


$encodingAesKey = "H8Ycg6SOGJbrBlfpZlLXe5cREFdzZhts5S0ZjKsbQrV";
$token = "5rjINmS5M1fJa2I76GOs3qocL8CjMjm";
$corpId = "xxxx";

$wxcpt = new WXBizMsgCrypt($token, $encodingAesKey, $corpId);
$sReqMsgSig = $_GET["msg_signature"];
$sReqTimeStamp = $_GET["timestamp"];
$sReqNonce =$_GET["nonce"];
$sReqData = http://www.mamicode.com/$GLOBALS["HTTP_RAW_POST_DATA"];>

微信企业号开发php版2-文本消息