getOldItem() public method

public getOldItem ( )
 public function onInventoryChange(EntityInventoryChangeEvent $event)
 {
     if ($this->plugin->game && ($Player = $event->getEntity()) && $Player instanceof Human && ($Level = $Player->getLevel()) && $Player->getGamemode() == 0) {
         $OldItem = $event->getOldItem();
         $NewItem = $event->getNewItem();
         if ($this->plugin->game->level_name != $Level->getFolderName()) {
             return;
         }
         switch ($NewItem->getId()) {
             case 336:
                 $this->plugin->game->PopupInfo2->PlayersData[strtolower($Player->getName())][1] += $NewItem->getCount() * $this->plugin->spawner_gives["b"];
                 $event->setCancelled(true);
                 break;
             case 265:
                 $this->plugin->game->PopupInfo2->PlayersData[strtolower($Player->getName())][1] += $NewItem->getCount() * $this->plugin->spawner_gives["i"];
                 $event->setCancelled(true);
                 break;
             case 266:
                 $this->plugin->game->PopupInfo2->PlayersData[strtolower($Player->getName())][1] += $NewItem->getCount() * $this->plugin->spawner_gives["g"];
                 $event->setCancelled(true);
                 break;
         }
     }
 }