<?php

echo geo_getCountryCode();

function geo_getCountryCode() {
	$license_key='0iro5YRJbitf';
	
	$ipaddress=geo_getip();
	if (!$ipaddress) return null;

	$query = "http://geoip3.maxmind.com/a?l=" . $license_key . "&i=" . $ipaddress;
	$url = parse_url($query);
	$host = $url["host"];
	$path = $url["path"] . "?" . $url["query"];
	$timeout = 1;
	$fp = fsockopen ($host, 80, $errno, $errstr, $timeout);
	if ($fp) {
	  fputs ($fp, "GET $path HTTP/1.0\nHost: " . $host . "\n\n");
	  while (!feof($fp)) {
	    $buf .= fgets($fp, 128);
	  }
	  $lines = split("\n", $buf);
	  $country = $lines[count($lines)-1];
	  fclose($fp);
	} else {
	  # enter error handing code here
	}
	echo $country;
}

// Validates an IP address
function geo_validip($ip) {
    if (!empty($ip) && ip2long($ip)!=-1) {
        $reserved_ips = array (
        array('0.0.0.0','2.255.255.255'),
        array('10.0.0.0','10.255.255.255'),
        array('127.0.0.0','127.255.255.255'),
        array('169.254.0.0','169.254.255.255'),
        array('172.16.0.0','172.31.255.255'),
        array('192.0.2.0','192.0.2.255'),
        array('192.168.0.0','192.168.255.255'),
        array('255.255.255.0','255.255.255.255')
        );
 
        foreach ($reserved_ips as $r) {
            $min = ip2long($r[0]);
            $max = ip2long($r[1]);
            if ((ip2long($ip) >= $min) && (ip2long($ip) <= $max)) return false;
        }
        return true;
    } else {
        return false;
    }
 }

// Function to work out the user's actualy IP address 
function geo_getip() {
    if (geo_validip($_SERVER["HTTP_CLIENT_IP"])) {
        return $_SERVER["HTTP_CLIENT_IP"];
    }
    foreach (explode(",",$_SERVER["HTTP_X_FORWARDED_FOR"]) as $ip) {
        if (geo_validip(trim($ip))) {
            return $ip;
        }
    }
    if (geo_validip($_SERVER["HTTP_X_FORWARDED"])) {
        return $_SERVER["HTTP_X_FORWARDED"];
    } elseif (geo_validip($_SERVER["HTTP_FORWARDED_FOR"])) {
        return $_SERVER["HTTP_FORWARDED_FOR"];
    } elseif (geo_validip($_SERVER["HTTP_FORWARDED"])) {
        return $_SERVER["HTTP_FORWARDED"];
    } elseif (geo_validip($_SERVER["HTTP_X_FORWARDED"])) {
        return $_SERVER["HTTP_X_FORWARDED"];
    } else {
        return $_SERVER["REMOTE_ADDR"];
    }
 }


?>