//先把七牛云下载下来
composer require qiniu/php-sdk
//引入必须要的类

use Qiniu\Auth;
use Qiniu\Http\Client;

public function image(){
    $as = "";
    $sk = "";//注册七牛云秘钥
    $url = "http://ai.qiniuapi.com/v3/image/censor";
    $method = "POST";
    $host = "ai.qiniuapi.com";
    $contentType = "application/json";
    $image_url = "";//要审核的图片
    $scenes = [
        'censor'=>['pulp','terror','politician','ads'],
        'pulp'=>['pulp'],
        'terror'=>['terror'],
        'politician'=>['politician'],
        'ads'=>['ads']//验证的类型
    ];
    $body = [
      'data' =>['uri'=>$image_url],
      'params'=>['scenes'=>$scenes['censor']]
    ];
    $auth = new Auth($as,$sk);
    $headers = $auth->authorizationV2($url,$method,json_encode($body),$contentType);
    $headers['Content-Type'] = $contentType;
    $headers['Host']= $host;
    $response = Client::post($url,json_encode($body),$headers);
    $responses = collection($response)->toArray();//对象转换为数组
    $responses = json_decode($responses['body'],true);//解码 看情况而定
   if ($responses['result']['suggestion'] == 'pass'){
　　　　　//进行图片上传
        echo "通过";die;
   }
   echo "失败";die;
}