face++ php

总流程是先上传文件，保存到后台，获取返回来的face_token保存下来，然后拿face_token添加到faceSet里面去，搜索的时候结果会返回faceSet里面的face_token

1、demo

/**
    * 搜索比较最相思的图片，imgUrl可以用本地文件，网络文件，base64
    * 文档：https://console.faceplusplus.com.cn/documents/4888381
    * @var string
    */
    $url = "https://api-cn.faceplusplus.com/facepp/v3/search";

    $imgUrl = 'http://1e51afa40f4bfb057a.jpg';

    $faceset_token = 'f82d37f672f54e617c6052d6';

    $res = send_post($url,array('image_url'=>$imgUrl,'api_key'=>"nsQNsO3",'api_secret'=>"xv",'faceset_token'=>$faceset_token));
    echo $res.'<br><br><br>';

    $face =json_decode($res,true);

      /**
       * array (size=6)
  'image_id' => string 'rYPXUDmjXoWdaiRt8mg==' (length=24)
  'faces' =>
    array (size=1)
      0 =>
        array (size=2)
          'face_rectangle' =>
            array (size=4)
              ...
          'face_token' => string 'dceeeb27395c2c274c8c0493' (length=32)
  'time_used' => int 610
  'thresholds' =>
    array (size=3)
      '1e-3' => float 62.327
      '1e-5' => float 73.975
      '1e-4' => float 69.101
  'request_id' => string '1528902829,c974d95a-85-97e4-fd10694a4b' (length=47)
  'results' =>
    array (size=1)
      0 =>
        array (size=3)
          'confidence' => float 97.055
          'user_id' => string '' (length=0)
          'fac
       */

    /**
     * 去除返回的结果face_token,或者imageId,拿去OSS或者数据去比对查出图片URL
     */