private static function casValidationURL($ticket, $maillist = false)
{
$url = CASOptions::ValidateURL();
$url .= "?service=" . urlencode(self::getReturnURL());
$url .= "&ticket=" . $ticket;
if (strpos($maillist, ',')) {
$url .= '&allow=!' . str_replace(',', ',!', $maillist);
} elseif ($maillist !== false) {
$url .= '&allow=!' . $maillist;
}
return $url;
}
