Get country code by ip address in php

<?php

function get_easy_visitor_country($ip_address)
{
    if (!$ip_address)
     $ip_address=$_SERVER['REMOTE_ADDR'];
   
     $geopluginURL='http://www.geoplugin.net/php.gp?ip='.$ip_address;
     $addrDetailsArr =@unserialize(file_get_contents($geopluginURL));
      easy_debug($addrDetailsArr);
     $result=$addrDetailsArr['geoplugin_countryCode'];
    return $result;
}


function easy_debug($obj)
{

echo "<pre>";
     print_r(  $obj);
     echo "</pre>";
 
}

?>