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'));
}
function janitor()
{
global $prefs;
// update DST setting
global $auto_dst, $timezone_key, $is_dst;
if ($auto_dst && $timezone_key) {
$is_dst = timezone::is_dst(time(), $timezone_key);
if ($is_dst != $prefs['is_dst']) {
$prefs['is_dst'] = $is_dst;
set_pref('is_dst', $is_dst, 'publish', 2);
}
}
}
function janitor()
{
global $prefs;
// update DST setting
global $auto_dst, $timezone_key, $is_dst;
if ($auto_dst && $timezone_key) {
$is_dst = timezone::is_dst(time(), $timezone_key);
if ($is_dst != $prefs['is_dst']) {
$prefs['is_dst'] = $is_dst;
set_pref('is_dst', $is_dst, 'publish', 2);
}
}
// deprecation nags
if (AJAXALLY_CHALLENGED) {
trigger_error(gTxt('deprecated_configuration', array('{name}' => 'AJAXALLY_CHALLENGED')), E_USER_NOTICE);
}
}
/**
* Calculates a timezone offset.
*
* Calculates the offset between the server local time and the
* user's selected timezone at a given point in time.
*
* @param int $timestamp The timestamp. Defaults to time()
* @return int The offset in seconds
* @package DateTime
*/
function tz_offset($timestamp = null)
{
global $gmtoffset, $timezone_key;
if (is_null($timestamp)) {
$timestamp = time();
}
extract(getdate($timestamp));
$serveroffset = gmmktime($hours, $minutes, 0, $mon, $mday, $year) - mktime($hours, $minutes, 0, $mon, $mday, $year);
$real_dst = timezone::is_dst($timestamp, $timezone_key);
return $gmtoffset - $serveroffset + ($real_dst ? 3600 : 0);
}
