private function reminderCheck()
{
try {
$R = new Reminder(-1);
$K = $R->kalenderData("box", false, Session::currentUser()->getID());
$A = $R->aufgabenData("box", false, Session::currentUser()->getID());
$B = array_merge($K, $A);
} catch (ClassNotFoundException $e) {
$B = array();
}
return $B;
}