function landing_page()
{
$subpages = false;
// kui page muutuja on tühi, siis avalehele
if (!$_GET["page"]) {
define("PAGE", LANDING_PAGE);
} else {
// keera sisend väikesteks tähtedeks ja eemalda võimalik slash muutuja lõpust
evaluate_url();
// kas on alamlehti?
if (substr_count($_GET["page"], SLASH) > 0) {
$subpages = explode(SLASH, $_GET["page"]);
// kas esimesel kohal on põhilehe asemel hoopis keelevahetus?
if (switch_language($subpages[0])) {
define("FORCED_LANG", $subpages[0]);
array_shift($subpages);
}
// esimesel kohal on alati põhileht
define("PAGE", $subpages[0]);
} else {
// vaheta keel, kui see on ainuke parameeter
switch_language($_GET["page"]);
define("PAGE", $_GET["page"]);
}
}
// kui url'is polnud keelt
if (!defined("FORCED_LANG")) {
define("FORCED_LANG", false);
}
return $subpages;
}
// if not allowed, just ignore and return
if ($_CONF['allow_user_language'] == 1) {
COM_setArgNames(array('lang'));
$lang = strtolower(COM_applyFilter(COM_getArgument('lang')));
$lang = preg_replace('/[^a-z0-9\\-_]/', '', $lang);
$oldlang = COM_getLanguageId();
// do we really have a new language to switch to?
if (!empty($lang) && array_key_exists($lang, $_CONF['language_files'])) {
// does such a language file exist?
$langfile = $_CONF['language_files'][$lang];
if (is_file($_CONF['path_language'] . $langfile . '.php')) {
// Set the language cookie.
// Mainly used for anonymous users so the rest of their session
// will remain in the selected language
setcookie($_CONF['cookie_language'], $langfile, time() + 31536000, $_CONF['cookie_path'], $_CONF['cookiedomain'], $_CONF['cookiesecure']);
// if user is not anonymous, store the preference in the database
if (!COM_isAnonUser()) {
DB_query("UPDATE {$_TABLES['users']} SET language = '{$langfile}' WHERE uid = {$_USER['uid']}");
}
}
}
// Change the language ID if needed
if (!empty($ret_url) && !empty($lang) && !empty($oldlang)) {
$ret_url = switch_language($ret_url, $lang, $oldlang);
}
}
// if the user didn't come from our site, send them to our index page
if (empty($ret_url)) {
$ret_url = $_CONF['site_url'] . '/';
}
header("Location: {$ret_url}");
