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 = "

%s 0 "; if(!empty( $keyword )) { $msgType = "text"; if($keyword=="1"){ $contentStr = "qiphon";} if($keyword=="2"){ $contentStr = "最新资讯：《环境违法行为举报奖励办法》";} if($keyword=="3"){ $contentStr = "31离婚协议\n32租房合同\n33交通事故协议书";} $resultStr = sprintf($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;
}
}
}

?>