php-maxmind-geopip.php

<?php
/** maxmind geoip integration in php */ 
function get_real_ip() {
    $ipaddress = '';
    if(empty($_REQUEST['ip']) && @$_REQUEST['ip']==""){
        if (@$_SERVER['HTTP_CLIENT_IP'])
            $ipaddress = @$_SERVER['HTTP_CLIENT_IP'];
        else if(@$_SERVER['HTTP_X_FORWARDED_FOR'])
            $ipaddress = @$_SERVER['HTTP_X_FORWARDED_FOR'];
        else if(@$_SERVER['HTTP_X_FORWARDED'])
            $ipaddress = @$_SERVER['HTTP_X_FORWARDED'];
        else if(@$_SERVER['HTTP_FORWARDED_FOR'])
            $ipaddress = @$_SERVER['HTTP_FORWARDED_FOR'];
        else if(@$_SERVER['HTTP_FORWARDED'])
            $ipaddress = @$_SERVER['HTTP_FORWARDED'];
        else if(@$_SERVER['REMOTE_ADDR'])
            $ipaddress = @$_SERVER['REMOTE_ADDR'];
        else
            $ipaddress = 'UNKNOWN';
    }else{
        $ipaddress = @$_REQUEST['ip'];
    }
    return $ipaddress;
}				
include("maxmind-geoip/src/geoipcity.inc");
$gi = geoip_open("maxmind-geoip/GeoLiteCity.dat", GEOIP_STANDARD);
$record = GeoIP_record_by_addr($gi,get_real_ip());
$geoipdetails = array();

$country_code = $record->country_code3;
$country_region = $record->region;
$country_city = $record->city;