初始化接⼊源代码初始化接⼊代码
<?php
/**
* wechat php test
*/
//define your token
define("TOKEN", "token");
$wechatObj = new wechatCallbackapiTest();
if(isset($_GET["echostr"])){
$wechatObj->valid();
代码转换}else{
$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);
$msgType = $postObj->MsgType;
$time = time();
switch( $msgType ){
case "text";
$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( $keyword =='时间' || $keyword =='time' || $keyword =="shijian"){
$contentStr = date("Y-m-d H:i:s",time());
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}
else
{
$msgType = "text";
$contentStr = "欢迎关注xinshidaikexue";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}
break;
case "event":
$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>";
$event = $postObj->Event;
$msgType = "text";
if( $event =='subscribe'){
$contentStr = "欢迎关注xinshidaikexue";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);                    echo $resultStr;
break;
}
}
}else {
echo "欢迎关注xinshidaikexue";
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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