/**
* Formats a timestamp
*
* @param $ts
* @param $format the output format, blog default will be used if empty
* @internal param timestamp $time
* @return string the formatted date
*/
public static function formatTs($ts, $format = null)
{
$dt = new DateTime();
$dt->setTimestamp($ts);
if (empty($format)) {
$format = IfwPsn_Wp_Proxy_Blog::getDateFormat() . ' ' . IfwPsn_Wp_Proxy_Blog::getTimeFormat();
}
$offset = IfwPsn_Wp_Proxy_Blog::getGmtOffset();
if (empty($offset)) {
$offset = 0;
}
return date($format, $dt->format('U') + $offset * 3600);
}