class_Language.inc

<?php

/*
  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
  Copyright (C) 2017-2018  FusionDirectory

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/

/*!
 * \file class_Language.inc
 * Source code for the class Language
 */

/*!
 * \brief This class contains all the function needed to manage languages
 */
class Language
{
  /*!
   * \brief Initialize language configuration
   *
   * \param string $lang Language locale to use, defaults to self::detect()
   */
  public static function init ($lang = NULL)
  {
    global $BASE_DIR;

    if ($lang === NULL) {
      $lang = static::detect();
    }

    list ($language, $country, $char) = parse_gettext_lang($lang);
    putenv('LANGUAGE=');
    putenv("LANG=$lang");
    $langset = setlocale(LC_ALL, $lang, $language.'.'.$char);
    if ($langset === FALSE) {
      trigger_error('Setting locale to '.$lang.' failed');
    } elseif ($langset != $lang) {
      trigger_error('Setting locale to '.$lang.' failed, fell back to '.$langset);
    }
    $GLOBALS['t_language']            = $lang;
    $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
    static::setHeaders($lang, 'text/html');

    /* Set the text domain as 'fusiondirectory' */
    $domain = 'fusiondirectory';
    bindtextdomain($domain, LOCALE_DIR);
    textdomain($domain);
    if ($_SERVER['REQUEST_METHOD'] != 'POST') {
      @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, 'Setting language to');
    }

    $ret = FALSE;

    /* Reset plist cache if language changed */
    if ((!session::is_set('lang')) || (session::get('lang') != $lang)) {
      $ret = TRUE;