小程序客服消息后台设置后，无响应的问题

如何看待微信公开课小程序热门讨论「小程序客服消息后台设置后，无响应的问题」
摘要：小程序客服消息后台设置后，无响应的问题
展开：以下是我的代码设置，请问是哪里出错了进入客服会话后，输入信息没有响应。前端是用button进入客服会话buttonclassproductssubmitopentypecontactsessionfromweappbindcontactsubmit_contact立即提交button后台方面，在小程序中已经开通了消息推送。上传服务器的代码设置如下：$wechatObjresponseMsg();响应设置的方法publicfunctionresponseMsg(){//getpostdata,MaybeduetothedifferentenvironmentsGLOBALS[HTTP_RAW_POST_DATA];//extractpostdataif(!empty($postStr)){libxml_disable_entity_loader(true);$postObjsimplexml_load_string($postStr,SimpleXMLElement,LIBXML_NOCDATA);$openidtrim($postObjFromUserName);$toUsernametrim($postObjToUserName);$contenttrim($postObjContent);$appId;$secret;//appid和secret保密$getTokenapihttps://api.weixin.qq.com/cgibin/token?grant_typeclient_credentialappid{$appId}secret{$secret};thishttpGet($getTokenapi);$arrjson_decode($resultStr,true);$tokenarr[access_token];$postMsgApihttps://api.weixin.qq.com/cgibin/message/custom/send?access_token{$token};$dataarray(touser$openid,msgtypetext,textarray(content你好，欢迎交流！));$jsonjson_encode($data);thishttpPost(json);echo$str;}else{echo;exit;}}http请求的方法：publicfunctionhttpPost(jsonStr){$chcurl_init();curl_setopt($ch,CURLOPT_POST,1);curl_setopt(url);curl_setopt(jsonStr);curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);curl_setopt($ch,CURLOPT_HTTPHEADER,array(ContentType:application/json;charsetutf8,ContentLength:.strlen($jsonStr)));$responsecurl_exec($ch);if(curl_errno($ch)){returncurl_error($ch);}curl_close($ch);return$response;}publicfunctionhttpGet($url){$curlcurl_init();curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);curl_setopt($curl,CURLOPT_TIMEOUT,500);curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,true);curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,true);curl_setopt($curl,CURLOPT_URL,$url);$rescurl_exec($curl);curl_close(($curl));return$res;}