how to password protected in php url in pacific country ?

/* ------------------------------ */

function ip_visitor_country()
{

    $client  = @$_SERVER['HTTP_CLIENT_IP'];
    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
    $remote  = $_SERVER['REMOTE_ADDR'];
    $country  = "Unknown";

    if(filter_var($client, FILTER_VALIDATE_IP))
    {
        $ip = $client;
    }
    elseif(filter_var($forward, FILTER_VALIDATE_IP))
    {
        $ip = $forward;
    }
    else
    {
        $ip = $remote;
    }
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "http://www.geoplugin.net/json.gp?ip=".$ip);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    $ip_data_in = curl_exec($ch); // string
    curl_close($ch);

    $ip_data = json_decode($ip_data_in,true);
    $ip_data = str_replace('"', '"', $ip_data); // for PHP 5.2 see stackoverflow.com/questions/3110487/

    if($ip_data && $ip_data['geoplugin_countryName'] != null) {
        $country = $ip_data['geoplugin_countryName'];
    }

    return $country;
}

$ip =trim(ip_visitor_country());

if($ip=='India'){

    function CheckAccess()

{

  $result = (isset($_SERVER['PHP_AUTH_USER']) &&

            $_SERVER['PHP_AUTH_USER'] == 'admin' &&

            $_SERVER['PHP_AUTH_PW'] == 'admin@123');

  if (!$result)

  {

   header('WWW-Authenticate: Basic realm=“Test restricted area”');

   header('HTTP/1.0 401 Unauthorized');

   return false;

  }

  else

   return true;

}


if (!CheckAccess())

{

  //show the access denied message and exit script

  echo 'Access denied!';

  exit;

}

}

//exit;
/* ------------------------------------- */