onItemPickup PHP 8.php

<?php
public function onItemPickup(InventoryPickupItemEvent $event) : void{
		$inventory = $event->getInventory();
		if($inventory instanceof PlayerInventory){
			$player = $inventory->getHolder();
			if($player instanceof Player){
				$murderPlayer = $this->plugin->findMurderPlayer($player);
				$itemEntity = $event->getItem();
				$itemItem = $itemEntity->getItem();
				if($murderPlayer instanceof MurderPlayer){
					$event->setCancelled();
					if($murderPlayer->isAlive()){
						$murderRole = $murderPlayer->getRoleNonNull();
						if(match($itemItem->getId()){
							ItemIds::EMERALD => $murderRole->onEmeraldPickup(),
							ItemIds::WOODEN_SWORD, ItemIds::STONE_SWORD, ItemIds::IRON_SWORD, ItemIds::GOLDEN_SWORD, ItemIds::DIAMOND_SWORD => $murderRole->onSwordPickup($itemItem),
							default => false
						}){
							$pk = new TakeItemActorPacket(); //play sound and despawn as normal
							$pk->eid = $player->getId();
							$pk->target = $itemEntity->getId();
							$this->getPlugin()->getServer()->broadcastPacket($player->getViewers(), $pk);
							$itemEntity->flagForDespawn();
						}
					}
				}
			}
		}
	}