function prefs_save()
{
global $prefs, $gmtoffset, $is_dst, $auto_dst, $timezone_key;
$prefnames = safe_column("name", "txp_prefs", "prefs_id = 1");
$post = doSlash(stripPost());
// Forge $auto_dst for (in-)capable servers
if (!timezone::is_supported()) {
$post['auto_dst'] = false;
}
$prefs['auto_dst'] = $auto_dst = $post['auto_dst'];
if (!$post['auto_dst']) {
$is_dst = $post['is_dst'];
}
// Forge $gmtoffset and $is_dst from $timezone_key if present
if (isset($post['timezone_key'])) {
$key = $post['timezone_key'];
$tz = new timezone();
$tzd = $tz->details();
if (isset($tzd[$key])) {
$prefs['timezone_key'] = $timezone_key = $key;
$post['gmtoffset'] = $prefs['gmtoffset'] = $gmtoffset = $tzd[$key]['offset'];
$post['is_dst'] = $prefs['is_dst'] = $is_dst = timezone::is_dst(time(), $key);
}
}
foreach ($prefnames as $prefname) {
if (isset($post[$prefname])) {
if ($prefname == 'siteurl') {
$post[$prefname] = str_replace("http://", '', $post[$prefname]);
$post[$prefname] = rtrim($post[$prefname], "/ ");
}
safe_update("txp_prefs", "val = '" . $post[$prefname] . "'", "name = '" . doSlash($prefname) . "' and prefs_id = 1");
}
}
update_lastmod();
prefs_list(gTxt('preferences_saved'));
}
