1. Download PEAR i18n package to your local machine

http://pear.php.net/packages.php?catpid=28&catname=Internationalization

2. Upload it to your server

3. Add the library path to php include_path using ini_set:

ini_set (”include_path”, “.:/www/facebook/pear:/usr/local/php5/lib/php”);

4. Use it

//loading PEAR I18Nv2
require_once ‘I18Nv2.php’;
require_once ‘I18Nv2/Locale.php’;
require_once ‘I18Nv2/Language.php’;

$i18nv2_lang = &new I18Nv2_Language($locale, ‘UTF-8′);
$i18nv2_locale = &I18Nv2::createLocale($locale);

- Getting translated language names

foreach ($i18nv2_lang->codes as $lang_code => $lang_translated) {
…
}

- Getting formatted date & time

$fdate= $i18nv2_locale->formatDate($time, I18Nv2_DATETIME_MEDIUM) ;
$ftime = $i18nv2_locale->formatTime($time, I18Nv2_DATETIME_MEDIUM);