这篇文章主要为大家详细介绍了php微信开发之关注事件，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
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
//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;
$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<a href="https://www.jb51.cc/tag/huifu/" target="_blank" class="keywords">回复</a>1查看联系方式\n<a href="https://www.jb51.cc/tag/huifu/" target="_blank" class="keywords">回复</a>2查看最新资讯\n<a href="https://www.jb51.cc/tag/huifu/" target="_blank" class="keywords">回复</a>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,$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;
}
}
}
?>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持编程之家。
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