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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