units/gettext/library.php

   1 <?php
   2
   3     // If gettext isn't installed, define a function placeholder for gettext()
   4
   5         if (!function_exists("gettext")) {
   6             function gettext($input) {
   7                 return $input;
   8             }
   9             define("gettext", false);
  10         } else {
  11             define("gettext", true);
  12         }
  13
  14     // If gettext is installed, define path for languages, set language etc
  15         if (gettext == true) {
  16
  17             // If default language isn't specified, it's English
  18             if (!defined("locale")) {
  19                 define("locale", "en");
  20             }
  21
  22             // If the user's browser hasn't set a language, set it to be the default locale
  23             // If it has, create a list of languages in preference order
  24             $list = array();
  25
  26             if (!isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) || $_SERVER['HTTP_ACCEPT_LANGUAGE'] == "") {
  27                 $locale = strtolower(locale);
  28                 $list[] = $locale;
  29             } else {
  30                 $locale = strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']);
  31                 $list = explode(",", $locale);
  32             }
  33
  34             // If the locale isn't the default, set a new default language
  35             // If the first choice is the right non-country-specific language, don't bother
  36             // (kludge to allow a browser to default to "en", basically)
  37             if (substr($list[0], 0, 2) != substr(locale, 0, 2)) {
  38                 // Bind the 'elgg' text domain to the languages directory
  39                 $textdomainpath = bindtextdomain ('elgg', path . 'languages');
  40                 // Set our current text domain to 'elgg'
  41                 textdomain ('elgg');
  42                 // Set locale to language_COUNTRY in preference order
  43                 if (sizeof($list) > 0) {
  44                     $newlist = array();
  45                     $extralist = array();
  46                     foreach ($list as $language) {
  47                         $language = explode(";", $language);
  48                         $language = $language[0];
  49                         $languageparts = explode("-", $language);
  50                         if ($languageparts[1]) {
  51                             // If the browser has given a 2-part language code, use it...
  52                             $newlist[] = $languageparts[0] . "_" . strtoupper($languageparts[1]);
  53                             // but also add the munged code to the end of the list, just in case.
  54                             // E.g. if user passes "de_AT", this will add "de_DE" to end of the list as a fallback.
  55                             $extralist[] = $languageparts[0] . "_" . strtoupper($languageparts[0]);
  56                         } else {
  57                             // Otherwise munge one from a 1-part code.
  58                             // NB. This is a flawed assumption, because not all languages have the same language
  59                             // and country codes: e.g. en_EN is not valid for English, and Danish is da_DK.
  60                             $newlist[] = $languageparts[0] . "_" . strtoupper($languageparts[0]);
  61                         }
  62                     }
  63                     $list = array_merge($newlist, $extralist);
  64
  65                     // Add user locales to global configuration settings.
  66                     $CFG->userlocale = $list;
  67
  68                     foreach($list as $languagecode) {
  69                         // Presumably we don't want to set locale to a language we don't have the .mo file for?
  70                         if (file_exists($textdomainpath . '/' . $languagecode . '/LC_MESSAGES/elgg.mo')) {
  71                             // Try UTF-8 version of the locale first.
  72                             if (setlocale(LC_MESSAGES, $languagecode.'.UTF-8', $languagecode)) {
  73                                 setlocale(LC_TIME, $languagecode.'.UTF-8', $languagecode);
  74                                 break;
  75                             }
  76                         }
  77                     }
  78                 }
  79                 // This is a UTF-8 application
  80                 bind_textdomain_codeset('elgg', 'UTF-8');
  81             }
  82
  83         }
  84
  85 ?>