微信公众号开发者自动回复设置没反应

在新浪sea平台设置了微信公众号应用,设置关注自动回复功能,接口设置成功,,代码写好,url也修改代码的页面,但是测试后没反应。
<?php

//define your token
define”TOKEN”, “weixin”;
$wechatObj = new wechatCallbackapiTest;
$wechatObj->valid;
$wechatObj->responseMsg;
class wechatCallbackapiTest
{

 public function valid
{ $echoStr = $_GET["echostr"]; //valid signature , option if$this->checkSignature{ echo $echoStr; exit; }
} public function responseMsg
{ //get post data, May be due to the different environments $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //extract post data if !empty$postStr{ $postObj = simplexml_load_string$postStr, SimpleXMLElement, LIBXML_NOCDATA; $fromUsername = $postObj->FromUserName; $toUsername = $postObj->ToUserName; $keyword = trim$postObj->Content; $time = time; $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <Content><![CDATA[%s]]></Content> <FuncFlag>0</FuncFlag> </xml>"; if!empty $keyword { $msgType = "text"; $contentStr = "Welcome to wechat world!"; $resultStr = sprintf$textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr; echo $resultStr; }else{ echo "Input something..."; } }else { echo ""; exit; }
} private function checkSignature { $signature = $_GET["signature"]; $timestamp = $_GET["timestamp"]; $nonce = $_GET["nonce"]; $token = TOKEN; $tmpArr = array$token, $timestamp, $nonce; sort$tmpArr; $tmpStr = implode $tmpArr ; $tmpStr = sha1 $tmpStr ; if $tmpStr == $signature { return true; }else{ return false; } }

}

?>

valid方式是用来检测所发消息是否来自微信服务器的,它会输出内容到页面中来,所以会打乱你要回复的XML包
只调用responseMsg方法即可

这只是验证。
看下文档里关于被动回复消息的介绍吧。
http://mp.weixin.qq.com/wiki/1/6239b44c206cab9145b1d52c67e6c551.html#.E5.9B.9E.E5.A4.8D.E6.96.87.E6.9C.AC.E6.B6.88.E6.81.AF

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