uberspace-webadmin/lang.php

<?php 
/***********************************************************************
*  Copyright (C) 2016 Max Mehl <mail [at] mehl [dot] mx>
************************************************************************
*  
*  This program is free software: you can redistribute it and/or modify 
*  it under the terms of the GNU Affero General Public License as 
*  published by the Free Software Foundation, either version 3 of the 
*  License, or (at your option) any later version.
*  
*  This program is distributed in the hope that it will be useful, 
*  but WITHOUT ANY WARRANTY; without even the implied warranty of 
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
*  GNU Affero General Public License for more details.
*  
*  You should have received a copy of the GNU Affero General Public 
*  License along with this program.  If not, see 
*  <http://www.gnu.org/licenses/>.
*  
************************************************************************
*  
*  This file detects the sessions language setting or the one which we 
*  set in a cookie.
*  
***********************************************************************/
?>
<?php
session_start();
header('Cache-control: private'); // IE 6 FIX

if(isSet($_GET['lang']))
{
$lang = $_GET['lang'];

// register the session and set the cookie
$_SESSION['lang'] = $lang;

setcookie("lang", $lang, time() + (3600 * 24 * 30));
}
else if(isSet($_SESSION['lang']))
{
$lang = $_SESSION['lang'];
}
else if(isSet($_COOKIE['lang']))
{
$lang = $_COOKIE['lang'];
}
else
{
$lang = 'en';
}

switch ($lang) {
  case 'en':
  $lang_file = 'lang.en.php';
  break;

  case 'de':
  $lang_file = 'lang.de.php';
  break;

  default:
  $lang_file = 'lang.en.php';

}

include_once 'lang/'.$lang_file;
?>