ticketModel = new TicketModel(); $this->view = $view; } public function showTickets() { $tickets = $this->ticketModel->getTickets(); $this->view->setVars(['tickets' => $tickets]); } public function buyTicket() { $data = [ 'userid' => $_POST['userid'], 'eventid' => $_POST['eventid'], 'kaufdatum' => date('Y-m-d'), 'gültigkeitsdatum' => $_POST['gültigkeitsdatum'] ]; $erg = $this->ticketModel->buyTicket($data); $this->view->setVars(['ticket' => $erg]); } public function deleteTicket() { $ticketid = $_GET['ticketid'] ?? null; if ($ticketid) { $this->ticketModel->deleteTicket($ticketid); } } }