public static function atomtime($t)
{
if (!is_numeric($t)) {
$t = strtotime($t);
}
$vdate = date(DATE_ATOM, $t);
// If the date format used for timezone was O instead of P...
if (substr($vdate, -3, 1) != ':') {
$vdate = substr($vdate, 0, -2) . ':' . substr($vdate, -2, 2);
}
return $vdate;
}