检测代码：

public function upload_image_post()

    {

        $this->autu_api_secret();

        if(empty($_FILES["img_data"])){

            $this->RF('请选择图片');

        }

        $img_url = upload_image($_FILES["img_data"]);

        if($img_url){

            $obj = new CURLFile(realpath(get_full_img_url($img_url)));

            $obj->setMimeType("image/jpeg");

            $data['media'] = $obj;

            //异步校验图片/音频是否含有违法违规内容

            $url="https://api.weixin.qq.com/wxa/img_sec_check?access_token=".$this->getAccessToken();

            $data=json_encode($data);

            $headers=array('Content-type: application/octet-stream');

            $result = $this->_requestPost($url,$data,true,$headers);

            $result = json_decode($result,true);

            if(!empty($result['errcode'])){

                $this->RF('内容含有违法违规内容,图片上传失败');

            }

            if(file_is_image($img_url)){

                $this->RS([

                        'img_url' => $img_url,

                        'img_origin_url' => get_full_img_url($img_url),

                        'file_type' => 1,

                ]);

            }else{

                $this->RS([

                        'img_url' => $img_url,

                        'img_origin_url' => get_full_video_url($img_url,VIDEO_SST,IMG_BIG,IMG_BIG),

                        'file_type' => 2,

                ]);

            }

        }else{

            $this->RF('图片上传失败');

        }

    }