Detect a Visitor's Country by his IP Address PHP

location.php

if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
   $ip = $_SERVER['HTTP_CLIENT_IP'];}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
   $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
   $ip = $_SERVER['REMOTE_ADDR'];
}
   $url = "http://api.wipmania.com/".$ip;
   $country = file_get_contents($url);
   echo $country;

The variable $country will store the user’s country in ISO code. http://www.danielpinero.com/downloads/countries.txt here is the full list of countries and their ISO codes. Through your IP address