微信获取用户信息实例

function appid(){
                $appid="xxxxxxxxxxx";
                $wechat_appsecret="xxxxxxxxx";
      //通过网页授权获取code码
                if (isset($_GET['code']))
                { 
                    $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$appid&secret=$wechat_appsecret&code=".$_GET['code']."&grant_type=authorization_code";
                    //$url = 'http://www.mkv8.com';
                    $output=curlGet($url);

                    $json=json_decode($output,true);
                        //得到openid
                        $openid = strval($json['openid']);
                        $_SESSION['openid']=$openid;
                        $access_token = $json['access_token'];
                //获取用户个人信息
                $return1='https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN';
                //echo $return1;die();
                $content1 = https_request($return1);;
                $_SESSION['weixinuserinfo']= json_decode($content1,true); 
                print_r($_SESSION['weixinuserinfo']);  



                }
                else
                {
                     //$customeUrl = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
                    $customeUrl="http://vqe7sq3hou.proxy.qqbrowser.cc/index.php?g=Turntable&m=Turntable&a=index&id=1";
                     $_SESSION['weixin']['state']   = md5(uniqid());
                    //网页授权 
                    $url="https://open.weixin.qq.com/connect/oauth2/authorize?appid=$appid&redirect_uri=".urlencode($customeUrl)."&response_type=code&scope=snsapi_userinfo&state=123123123#wechat_redirec";
                    echo "<script>location.href='$url';</script>";
                    exit();
                }   

      }

      function curlGet($url){
        $ch = curl_init();
        $header = "Accept-Charset: utf-8";
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $temp = curl_exec($ch);
        return $temp;
    }
    //https请求
    function https_request($url, $data = null)
      {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($data)){
          curl_setopt($curl, CURLOPT_POST, 1);
          curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        curl_close($curl);
        return $output;
      }