get country name by ip address in php

<?php

function getLocationInfoByIp(){

    $client  = @$_SERVER['HTTP_CLIENT_IP'];

    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];

    $remote  = @$_SERVER['REMOTE_ADDR'];

    $result  = array('country'=>'', 'countrycode'=>'', 'city'=>'');

    if(filter_var($client, FILTER_VALIDATE_IP)){

        $ip = $client;

    }elseif(filter_var($forward, FILTER_VALIDATE_IP)){

        $ip = $forward;

    }else{

        $ip = $remote;

    }

    $ip_data = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=".$ip));    

    if($ip_data && $ip_data->geoplugin_countryName != null){

        $result['country'] = $ip_data->geoplugin_countryName;

        $result['countrycode'] = $ip_data->geoplugin_countryCode;

        $result['city'] = $ip_data->geoplugin_city;

    }

    return $result;

}

$a=getLocationInfoByIp();

echo '<pre>';

print_r($a);

Refrence: https://dzone.com/articles/get-country-ip-address-php