PHP 免费获取手机号的归属地,运营商等数据

/***
* 获取手机号的归属地
* @param $phone //手机号
* @return string
*/
function GetPhoneLocation($phone){
   if (empty($phone)) return false;
   $url = "https://tcc.taobao.com/cc/json/mobile_tel_segment.htm?tel={$phone}";
   $response = file_get_contents($url);
   $list= mb_convert_encoding($response, 'UTF-8', 'UTF-8,GBK,GB2312,BIG5');
   $res = trim(explode('=',$list)[1]);
   preg_match_all("/(\w+):'([^']+)/", $res, $m);
   $res = array_combine($m[1], $m[2]);
   if ($res && isset($res['province']) && $res['province'] != "") return res else return "";

}