微信原始demo

有可能下载最新的demo下载不到这个原版的精简demo了. 这里为大家提供一下.以下代码为原始未改动代码

 

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<?php /**   * wechat php test   */   //define your token define("TOKEN", "weixin"); $wechatObj = new wechatCallbackapiTest(); $wechatObj->valid();   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)){                 /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,                    the best way is to check the validity of xml by yourself */                 libxml_disable_entity_loader(true);                 $postObj = simplexml_load_string($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()     {         // you must define TOKEN by yourself         if (!defined("TOKEN")) {             throw new Exception('TOKEN is not defined!');         }                   $signature = $_GET["signature"];         $timestamp = $_GET["timestamp"];         $nonce = $_GET["nonce"];                           $token = TOKEN;         $tmpArr = array($token, $timestamp, $nonce);         // use SORT_STRING rule         sort($tmpArr, SORT_STRING);         $tmpStr = implode( $tmpArr );         $tmpStr = sha1( $tmpStr );                   if( $tmpStr == $signature ){             return true;         }else{             return false;         }     } }   ?>

 

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