微信获取sessionkey 前端用wx.request发起请求,服务器php curl_init() 执行失败,后台命令行执行脚本正常获得session_key

前端

success: function(res) {

        var code = res.code;

        if (code) {

          console.log('获取用户登录凭证' + code);

          wx.request({

            url: 'https://www.xxxxx.club/byland/userlogin/onlogin2.php',

            header: {

              'content-type': 'application/x-www-form-urlencoded'

            }, 

            method: 'POST',

            data: {

              code: code

            },

.......................................................................................................................................................................

服务器 onlogin2.php 

if(isset($_GET['code'])){

    hq_AccessToken($_GET['code'],$appId,$appSecret);

    echo $_GET['code'];

}

function hq_AccessToken($code,$appId,$appSecret){

    $requestParams = [ 

    ¦   'appid' => $appId,

    ¦   'secret' => $appSecret,

    ¦   'js_code' => $code,

    ¦   'grant_type' => 'authorization_code'

    ];  

    $url = 'https://api.weixin.qq.com/sns/jscode2session?' .     http_build_query($requestParams);

    $res=httpRequset($url);

    print_r($res);

}

function httpRequset($url,$data=false){

    $ch=curl_init();//-----------------执行到这里就不再运行

    curl_setopt($ch,CURLOPT_TIMEOUT,60);

    curl_setopt($ch,CURLOPT_URL,$url);

    curl_setopt($ch,CURLOPT_HEADER,0);

    curl_setopt($ch, CURLOP