PHP实现人脸识别技术

<?php
	if(isset($_FILES[‘pic‘])&&$_FILES[‘pic‘][‘error‘] == 0){
		$name = mt_rand(100000,999999);
		$ext = explode(".",$_FILES[‘pic‘][‘name‘]);
		$ext = end($ext);
		$full = $name.".".$ext;
		$rs = move_uploaded_file($_FILES[‘pic‘][‘tmp_name‘], ‘./upload/‘.$full);
		if(!$rs){
			exit(‘上传图片出错‘);
		}

		//上传成功后,获取图片地址
		$pic = ‘http://yxhwxtest.applinzi.com/wx/upload/‘.$full;
		//$pic = ‘http://yxhwxtest.applinzi.com/wx/upload/718204.jpg‘;

		//人脸检测与分析
  		$api =  ‘http://apicn.faceplusplus.com/v2/detection/detect?api_key=3f2fd9843ac889c84f43de513bca05f2&api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&url=‘.$pic.‘&attribute=glass,pose,gender,age,race,smiling‘;

  		//将json转换为数组
  		$rs = json_decode(file_get_contents($api),true);

  		if(count($rs[‘face‘]) == 0){
  			exit(‘没有检测出人脸‘);
  		}

  		$face_id = $rs[‘face‘][0][‘face_id‘];

  		//创建脸集
  		//$api=‘https://apicn.faceplusplus.com/v2/faceset/create?api_key=3f2fd9843ac889c84f43de513bca05f2&api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&faceset_name=renlianshibie&face_id=‘.$face_id;



  		//将人脸加入到脸集中
   		$api = ‘https://apicn.faceplusplus.com/v2/faceset/add_face?api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&face_id=‘.$face_id.‘&api_key=3f2fd9843ac889c84f43de513bca05f2&faceset_name=renlianshibie‘;

   		$rs = json_decode(file_get_contents($api),true);

  		

  		if($rs[‘success‘] == 0){
  			exit(‘加入脸集失败‘);
  		}else{
  			//训练脸集
			$api = ‘https://apicn.faceplusplus.com/v2/train/search?api_key=3f2fd9843ac889c84f43de513bca05f2&api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&faceset_name=renlianshibie‘;
			$rs = file_get_contents($api);
			//p($rs);
			exit(‘加入脸集成功‘);
  		}
	}
	//调试输出函数
	function p($var){
		if(is_bool($var)){
			var_dump($var);
		}else if(is_null($var)){
			var_dump(NULL);
		}else{
			echo "<pre style=‘position:relative;z-index:1000;padding:10px;border-radius:5px;background:#F5F5F5;border:1px solid #aaa;font-size:14px;line-height:18px;opacity:0.9;‘>".print_r($var,true)."</pre>";
		}
	}
?>

			//接受图片进行回复
			if(strtolower($postObj->MsgType==‘image‘)){
				$pic = $postObj->PicUrl;
				//检测人脸和分析
 				$api =  ‘http://apicn.faceplusplus.com/v2/detection/detect?api_key=3f2fd9843ac889c84f43de513bca05f2&api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&url=‘.$pic.‘&attribute=glass,pose,gender,age,race,smiling‘;
 				$rs = json_decode(file_get_contents($api),true);
 				if(count($rs[‘face‘])==0){
 					$cont = "没有检测到人脸";
 				}
 				$face_id = $rs[‘face‘][0][‘face_id‘];

 				//得到人脸,到脸集中去找相似的脸
   				$api = ‘https://apicn.faceplusplus.com/v2/recognition/search?api_key=3f2fd9843ac889c84f43de513bca05f2&api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&faceset_name=renlianshibie&key_face_id=‘.$face_id;

   				$rs = json_decode(file_get_contents($api),true);

   				//$ps=[];

			    foreach($rs[‘candidate‘] as $v) {
			      if( intval($v[‘similarity‘]) > 60) {
			         $ps[] = $v[‘face_id‘];
			      }
			    }

   				if(empty($ps)){
   					$cont = "找到相似的人";
   				}else{
	   				$fids = implode(‘,‘, $ps);
	   			    $api = ‘https://apicn.faceplusplus.com/v2/info/get_face?api_key=3f2fd9843ac889c84f43de513bca05f2&api_secret=sDUH2FP2b3L4tSKQNHCCk17sUYsHW8HU&face_id=‘.$fids;

	   				$rs = json_decode(file_get_contents($api),true);

	   				if(count($rs[‘face_info‘])==0){
	   					$cont = ‘没有找到相识的人‘;
	   				}else{
		   				$cont = ‘找到相似的人‘."\n";
		   				foreach ($rs[‘face_info‘] as $v) {
		   					$cont .= $v[‘url‘]."\n";
		   				}
	   				}  					
   				}

				//回复用户消息
				$toUser 	= $postObj->FromUserName;
				$fromUser   = $postObj->ToUserName;
				$time 		= time();
				$content 	= $cont;
				$msgType 	= ‘text‘;
				$template 	= "<xml>
							   <ToUserName><![CDATA[%s]]></ToUserName>
							   <FromUserName><![CDATA[%s]]></FromUserName>
							   <CreateTime>%s</CreateTime>
							   <MsgType><![CDATA[%s]]></MsgType>
							   <Content><![CDATA[%s]]></Content>
							   </xml>";
				$info 		= sprintf($template,$toUser,$fromUser,$time,$msgType,$content);
				echo $info;
			}