Hunger restrictions for specific worlds

MultiWorldHunger.php

<?php
declare(strict_types=1);
/**
 * @name MultiWorldHunger
 * @main jasonwynn10\MultiWorldHunger\Main
 * @version 0.1.0
 * @api 3.0.0
 * @description A plugin script which applies hunger restrictions for specific worlds
 * @author jasonwynn10
 */
namespace jasonwynn10\MultiWorldHunger {
	use pocketmine\event\Listener;
	use pocketmine\event\player\PlayerExhaustEvent;
	use pocketmine\plugin\PluginBase;

	class Main extends PluginBase implements Listener {
		public function onEnable() {
			$this->getServer()->getPluginManager()->registerEvents($this, $this);
		}
		public function onExhaust(PlayerExhaustEvent $event): void {
			if(in_array($event->getPlayer()->getLevel()->getFolderName(), ["world", "world2"]))
				$event->setCancelled(true);
		}
	}
}