利用PHP和百度ai实现文本以及图片的审核

步骤：

首先打开百度ai 开发平台 注册一个账号：

注册账号，进入控制台

创建自己的应用，获取apikey 和秘钥

进入文档页 文本审核：

图像审核：

代码实例：

 class Sentive

 {

   protected $accessTokenUrl = 'https://aip.baidubce.com/oauth/2.0/token';//获取token url

   protected $textUrl = 'https://aip.baidubce.com/rest/2.0/antispam/v2/spam';//文本审核url

   protected $imgUrl = 'https://aip.baidubce.com/api/v1/solution/direct/img_censor';//图片审核url

   protected $avatarUrl = 'https://aip.baidubce.com/rest/2.0/solution/v1/face_audit';//头像审核url

   protected $grant_type;

   protected $client_id;

   protected $client_secret;

   function __construct()

   {

     $this->grant_type = 'client_credentials';

     $this->client_id = 'xxx';//API Key

     $this->client_secret = 'xxx';//Secret Key

   }

   static function request($url = '', $param = '')

   {

     if (empty($url) || empty($param)) {

       return false;

     }

     $postUrl = $url;

     $curlPost = $param;

     $curl = curl_init();//初始化curl

     curl_setopt($curl, CURLOPT_URL, $postUrl);//抓取指定网页

     curl_setopt($curl, CURLOPT_HEADER, 0);//设置header

     curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上

     curl_setopt($curl, CURLOPT_POST, 1);//post提交方式

     curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);

     $data = curl_exec($curl);//运行curl

     curl_close($curl);

     return $data;

   }

   static function request_post($url = '', $param = array(), $type)

   {

     if (empty($url) || empty($param)) {

       return false;

     }

     $postUrl = $url;

     $curlPost = $param;

     $curl = curl_init();

     curl_setopt($curl, CURLOPT_URL, $postUrl);

     curl_setopt($curl, CURLOPT_HEADER, 0);

     // 要求结果为字符串

     curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

     // post方式

     curl_setopt($curl, CURLOPT_POST, 1);

     curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

     curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);

     if ($type == "text") {

       curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));

     } else {

       curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json;charset=utf-8'));

     }

     curl_setopt($curl, CURLINFO_HEADER_OUT, true);

     $data = curl_exec($curl);

     $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);

     if ($code === 0) {

       throw new \Exception(curl_error($curl));

     }

     curl_close($curl);

     return $data;

   }

   //获取token

   public function getToken()

   {

     new Redis();

     $post_data['grant_type'] = $this->grant_type;

     $post_data['client_id'] = $this->client_id;

     $post_data['client_secret'] = $this->client_secret;

     $o = "";

     foreach ($post_data as $k => $v) {

       $o .= "$k=" . urlencode($v) . "&";

     }

     $post_data = substr($o, 0, -1);

     $res = self::request($this->accessTokenUrl, $post_data);

     $redis->setkey("filterToken", json_decode($res, true)['access_token']);

     return json_decode($res, true)['access_token'];

   }

   //文本审核

   public function textVerify($data)

   {

     new Redis();

     $token = $redis->get("filterToken");

     if (empty($token)) {

       $token = $this->getToken();

     }

     $curl = $this->textUrl . "?access_token=" . $token;

     $result = self::request_post($curl, $data, "text");

     return json_decode($result, true);

   }

   //图片审核

   public function imgVerify($img)

   {

     $redis = new Redis();

     $token = $redis->get("filterToken");

     if (empty($token)) {

       $token = $this->getToken();

     }

     $curl = $this->imgUrl . "?access_token=" . $token;

     $bodys = array(

       'image' => $img,

       'scenes' => array("ocr",

         "face", "public", "politician", "antiporn", "terror", "webimage", "disgust",

         'watermark')

     );

     $bodys = json_encode($bodys);

     $result = self::request_post($curl, $bodys, "img");

     return json_decode($result, true);

   }

   //头像审核

   public function avatarVerify($img)

   {

     $redis = new Redis();

     $token = $redis->get("filterToken");

     if (empty($token)) {

       $token = $this->getToken();

     }

     $curl = $this->avatarUrl . "?access_token=" . $token;

     $bodys = array(

       "configId" => "1",

       "images" => $img

     );

     $result = self::request_post($curl, $bodys, "text");

     return json_decode($result, true);

   }

 }

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