public function getData($firstDay, $lastDay, $UserID = null, $skip = array())
{
if ($UserID === null) {
$UserID = Session::currentUser()->getID();
}
Registry::reset("Kalender");
$K = new Kalender();
$K->timeRange($firstDay, $lastDay);
while ($return = Registry::callNext("Kalender", "events", array($firstDay, $lastDay, $UserID), $skip)) {
$K->merge($return);
}
Registry::reset("Kalender");
while ($return = Registry::callNext("Kalender", "holidays", array($firstDay, $lastDay, $UserID), $skip)) {
$K->merge($return);
}
$K->exceptions();
return $K;
}