PHP EE_Ticket::get_event_ID示例

 /**
  * simulate six sales for an event's ticket, which will also increase sold qty for D1 & D2
  *
  * @param \EE_Ticket $ticket
  * @param int $qty
  * @throws \EE_Error
  */
 protected function _sell_tickets(EE_Ticket $ticket, $qty = 1)
 {
     if ($ticket instanceof EE_Ticket) {
         $transaction = EE_Transaction::new_instance(array('STS_ID' => EEM_Transaction::complete_status_code, 'TXN_timestamp' => time() - DAY_IN_SECONDS, 'TXN_total' => 0, 'TXN_paid' => 0));
         $transaction->save();
         for ($x = 1; $x <= $qty; $x++) {
             $registration = EE_Registration::new_instance(array('STS_ID' => EEM_Registration::status_id_approved, 'REG_date' => time() - DAY_IN_SECONDS, 'REG_code' => $transaction->ID() . "-" . $ticket->ID() . "-{$x}-test", 'TXN_ID' => $transaction->ID(), 'EVT_ID' => $ticket->get_event_ID(), 'TKT_ID' => $ticket->ID()));
             $registration->save();
         }
     }
 }