[php] Getting visitors country from their IP

Many different ways to do it...

Solution #1:

One third party service you could use is http://ipinfodb.com. They provide hostname, geolocation and additional information.

Register for an API key here: http://ipinfodb.com/register.php. This will allow you to retrieve results from their server, without this it will not work.

Copy and past the following PHP code:

$ipaddress = $_SERVER['REMOTE_ADDR'];
$api_key = 'YOUR_API_KEY_HERE';

$data = file_get_contents("http://api.ipinfodb.com/v3/ip-city/?key=$api_key&ip=$ipaddress&format=json");
$data = json_decode($data);
$country = $data['Country'];

Downside:

Quoting from their website:

Our free API is using IP2Location Lite version which provides lower accuracy.

Solution #2:

This function will return country name using the http://www.netip.de/ service.

$ipaddress = $_SERVER['REMOTE_ADDR'];
function geoCheckIP($ip)
{
    $response=@file_get_contents('http://www.netip.de/search?query='.$ip);

    $patterns=array();
    $patterns["country"] = '#Country: (.*?) #i';

    $ipInfo=array();

    foreach ($patterns as $key => $pattern)
    {
        $ipInfo[$key] = preg_match($pattern,$response,$value) && !empty($value[1]) ? $value[1] : 'not found';
    }

        return $ipInfo;
}

print_r(geoCheckIP($ipaddress));

Output:

Array ( [country] => DE - Germany )  // Full Country Name

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