微信永久二维码

public function httpCurl($url,$type='get',$res='json',$arr=''){
        //初始化curl
        $ch=curl_init();
//设置curl的参数
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        if($type == 'post'){
            curl_setopt($ch,CURLOPT_POST,1);
            curl_setopt($ch,CURLOPT_POSTFIELDS,$arr);
        }
//采集
        $output=curl_exec($ch);
//关闭
//    curl_close($ch);
        if($res=='json'){
//        echo curl_errno($ch);
            if(curl_errno($ch)){
                //请求失败 返回错误信息
                return curl_errno($ch);
            }else{
                return json_decode($output,true);
            }

        }
        var_dump($output);
    }
    //永久二维码
    public function yong(){
        $turl='https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=1111111111111111111&secret=22222222222222222222';
        $str=file_get_contents($turl);
        $new_str=json_decode($str,true);

        $access_token=$new_str['access_token'];
//POST数据例子：{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": 123}}}
        $postArr=array(
            'action_name'=>"QR_LIMIT_SCENE",
            'action_info'=>array(
                'scene'=>array(
                    'scene_id'=>2000,
                ),
            ),

        );
        $postJson=json_encode($postArr);
        $url="https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=".$access_token;

        $res=$this->httpCurl($url,'post','json',$postJson);
        $ticket=$res['ticket'];
        //222222222通过ticket获取二维码图片
        $url='https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket='.urlencode($ticket);
//        $reslist=$this->httpCurl($url);
//        var_dump($reslist);
        echo "<img src='$url'>";

    }