chamilo / chamilo-lms

$tool_name = null;

if (empty($_GET['lang'])) {

    $_GET['lang'] = isset($_SESSION['user_language_choice']) ? $_SESSION['user_language_choice'] : null;

}

if (!empty($action)) {

    $interbreadcrumb[] = array ("url" => "system_announcements.php", "name" => get_lang('SystemAnnouncements'));

                $return = $_user['language'];

            break;

        case 'user_selected_lang':

            if (isset($_SESSION['user_language_choice']) && !empty($_SESSION['user_language_choice']))

                $return = $_SESSION['user_language_choice'];

            break;

        case 'course_lang':

            global $_course;