localization.php

<?php
include_once $include_prefix.'lib/configuration.functions.php';
include_once $include_prefix.'lib/gettext/gettext.inc.php';
include_once $include_prefix.'lib/translation.functions.php';

// Map locales to defined ones that are "close enough"
$localeMap = array("en" => "en_GB.utf8",
					"en-gb" => "en_GB.utf8", 
					"en-au" => "en_GB.utf8",
					"en-ca" => "en_GB.utf8",
					"en-us" => "en_GB.utf8",
					"fi" => "fi_FI.utf8",
					"fi-fi" => "fi_FI.utf8");

function setSessionLocale() {
  global $include_prefix;

  if (isset($_SESSION['userproperties']['locale'])) {
    $tmparr = array_keys($_SESSION['userproperties']['locale']);
    $oldlocale = $tmparr[0];
  } else {
    $oldlocale = "not_set";
  }

  if (iget("locale")) {
    $_SESSION['userproperties']['locale'] = array($_GET['locale'] => 0);
  }

  if (!isset($_SESSION['userproperties']['locale'])) {
    $_SESSION['userproperties']['locale'] = array(PreferredLocale() => 0);
  }

  if(is_array($_SESSION['userproperties']['locale'])){
    $tmparr = array_keys($_SESSION['userproperties']['locale']);
    $locale = $tmparr[0];
  }else{
    $locale = $_SESSION['userproperties']['locale'];
  }
  $encoding = 'UTF-8';

  putenv("LC_MESSAGES=$locale");
  $domain = 'messages';
  T_textdomain($domain);
  T_bindtextdomain($domain, $include_prefix."locale");
  T_bind_textdomain_codeset($domain, $encoding);
  T_setlocale(LC_MESSAGES, $locale);

  if (!headers_sent()) {
    header("Content-type: text/html; charset=$encoding");
  }
  if ($oldlocale != $locale) {
    loadDBTranslations($locale);
    if (isset($_SESSION['uid']) && $_SESSION['uid'] != "anonymous") {
      SetUserLocale($_SESSION['uid'], $locale);
    }
  }
}


function utf8entities($string) {
  return htmlentities($string, ENT_QUOTES, "UTF-8");
}

function styles() {
  global $styles_prefix;
  global $include_prefix;
  if (!isset($styles_prefix)) {
    $styles_prefix = $include_prefix;
    //		$styles_prefix = "../";
  }
  $ret = "";
  if (is_file($include_prefix.'cust/'.CUSTOMIZATIONS.'/layout.css')) {
    $ret .= "		<link rel=\"stylesheet\" href=\"".$styles_prefix."cust/".CUSTOMIZATIONS."/layout.css\" type=\"text/css\" />\n";
  } else {
    $ret .= "		<link rel=\"stylesheet\" href=\"".$styles_prefix."cust/default/layout.css\" type=\"text/css\" />\n";
  }
  if (is_file($include_prefix.'cust/'.CUSTOMIZATIONS.'/font.css')) {
    $ret .= "		<link rel=\"stylesheet\" href=\"".$styles_prefix."cust/".CUSTOMIZATIONS."/font.css\" type=\"text/css\" />\n";
  } else {
    $ret .= "		<link rel=\"stylesheet\" href=\"".$styles_prefix."cust/default/font.css\" type=\"text/css\" />\n";
  }
  if (is_file($include_prefix.'cust/'.CUSTOMIZATIONS.'/default.css')) {
    $ret .= "		<link rel=\"stylesheet\" href=\"".$styles_prefix."cust/".CUSTOMIZATIONS."/default.css\" type=\"text/css\" />\n";
  } else {
    $ret .= "		<link rel=\"stylesheet\" href=\"".$styles_prefix."cust/default/default.css\" type=\"text/css\" />\n";
  }
  return $ret;
}

function MapLocale($ext_locale) {
  global $localeMap;
  $locale = strtolower(str_replace("_",'-',$ext_locale));
  if (isset($localeMap[$locale])) {
    return $localeMap[$locale];
  } else {
    return false;
  }
}

function PreferredLocale() {
  $langs = array();

  //temporarly disabled, seems not working properly on ffda server with english windows and
  //user selected Finnish.
  /*
   if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
   // break up string into pieces (languages and q factors)
   preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);

   if (count($lang_parse[1])) {
   // create a list like "en" => 0.8
   $langs = array_combine($lang_parse[1], $lang_parse[4]);

   // set default to 1 for any without q factor
   foreach ($langs as $lang => $val) {
   if ($val === '') $langs[$lang] = 1;
   }

   // sort list based on value
   arsort($langs, SORT_NUMERIC);
   }
   }
   foreach ($langs as $lang => $val) {
   if (MapLocale($lang)) {
   return MapLocale($lang);
   }
   }
   */
  return GetDefaultLocale();
}