Location detecting techniques for IP addresses

Question

What are the location detecting techniques for IP addresses?
I know to look at the
$_SERVER[\'HTTP_ACCEPT_LANGUAGE\'] (not accurate but mostly useful to

Answer 1

U can use this function

 function ip_info(){
            return $data = json_decode(file_get_contents('http://ip-api.com/json/'),true);
        }

Call the function

$info = ip_info();
var_dump($info);