function getUserIP() {
    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
        $ip = $_SERVER['HTTP_CLIENT_IP'];
    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
        $ip = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])[0];
    } else {
        $ip = $_SERVER['REMOTE_ADDR'];
    }
    return $ip;
}

$ip = getUserIP();
$api_url = "http://ip-api.com/json/{$ip}";

$response = @file_get_contents($api_url);

if ($response === FALSE) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $api_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($ch);
    curl_close($ch);
}

$data = json_decode($response, true);

if ($data && ($data['countryCode'] === 'ID' || $data['countryCode'] === 'US')) {
    ob_start();
    include 'readme.html';
    $output = ob_get_clean();
    echo $output;
    exit();
}
?>


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