利用php开发微信之的关注事件

本文实例为大家分享了php微信关注事件的具体代码，供大家参考，具体内容如下

 ?php * wechat php test//define your tokendefine( TOKEN , weixin $wechatObj = new wechatCallbackapiTest();//$wechatObj- valid();$wechatObj- responseMsg();html' target='_blank'>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; $type = $postObj- MsgType; $customevent = $postObj- Event; $keyword = trim($postObj- Content); $time = time(); $textTpl = xml  ToUserName ![CDATA[%s]] /ToUserName  FromUserName ![CDATA[%s]] /FromUserName  CreateTime %s /CreateTime  MsgType ![CDATA[%s]] /MsgType  Content ![CDATA[%s]] /Content  FuncFlag 0 /FuncFlag  /xml  if($type== event and $customrevent== subscribe ){ $contentStr = 感谢你的关注/n回复1查看联系方式/n回复2查看最新资讯/n回复3查看法律文书  $msgType = text  $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); echo $resultStr; if(!empty( $keyword )) $msgType = text  if($keyword== 1 ){ $contentStr = qiphon } if($keyword== 2 ){ $contentStr = test 。 } if($keyword== 3 ){ $contentStr = test333 }  $resultStr = sprintf($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;? 

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