<?php
ini_set('display_errors', 1); // enable php error display for easy trouble shooting
error_reporting(E_ALL); // set error display to all

function ip_info($ip = NULL, $purpose = "location", $deep_detect = TRUE)
{
    $output = NULL;
    if (filter_var($ip, FILTER_VALIDATE_IP) === FALSE) {
        $ip = $_SERVER["REMOTE_ADDR"];
        if ($deep_detect) {
            if (filter_var($_SERVER['HTTP_X_FORWARDED_FOR'], FILTER_VALIDATE_IP))
                $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];

            if (filter_var($_SERVER['HTTP_CLIENT_IP'], FILTER_VALIDATE_IP))
                $ip = $_SERVER['HTTP_CLIENT_IP'];
        }
    }

    $purpose    = str_replace(array(
        "name",
        "\n",
        "\t",
        " ",
        "-",
        "_"
    ), NULL, strtolower(trim($purpose)));
    $support    = array(
        "country",
        "countrycode",
        "state",
        "region",
        "city",
        "location",
        "address"
    );
    $continents = array(
        "AF" => "Africa",
        "AN" => "Antarctica",
        "AS" => "Asia",
        "EU" => "Europe",
        "OC" => "Australia (Oceania)",
        "NA" => "North America",
        "SA" => "South America"
        // "IND" => "India"
    );
    if (filter_var($ip, FILTER_VALIDATE_IP) && in_array($purpose, $support)) {
        $ipdat = json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=" . $ip));
        if (strlen(trim($ipdat->geoplugin_countryCode)) == 2) {
            switch ($purpose) {
                case "location":
                    $output = array(
                        "city" => $ipdat->geoplugin_city,
                        "state" => $ipdat->geoplugin_regionName,
                        "country" => $ipdat->geoplugin_countryName,
                        "country_code" => $ipdat->geoplugin_countryCode,
                        "continent" => $continents[strtoupper($ipdat->geoplugin_continentCode)],
                        "continent_code" => $ipdat->geoplugin_continentCode
                    );
                    break;

                case "address":
                    $address = array(
                        $ipdat->geoplugin_countryName
                    );
                    if (strlen($ipdat->geoplugin_regionName) >= 1)
                        $address[] = $ipdat->geoplugin_regionName;
                    if (strlen($ipdat->geoplugin_city) >= 1)
                        $address[] = $ipdat->geoplugin_city;
                    $output = implode(", ", array_reverse($address));
                    break;

                case "city":
                    $output = $ipdat->geoplugin_city;
                    break;

                case "state":
                    $output = $ipdat->geoplugin_regionName;
                    break;

                case "region":
                    $output = $ipdat->geoplugin_regionName;
                    break;

                case "country":
                    $output = $ipdat->geoplugin_countryName;
                    break;

                case "countrycode":
                    $output = $ipdat->geoplugin_countryCode;
                    break;
            }
        }
    }
    return $output;
}
// exp 1
$ip = $_SERVER['REMOTE_ADDR'];
echo $ip . '<br>';
// exp 1
print_r(ip_info("$ip", "Location"));

// exp 2
print_r(ip_info("196.185.85.31", "Location"));
?>