Proof of concept transfer plugin for PocketMine with MCPE 1.0.3

TransferPlugin.php

<?php

/**
 * @name TransferPlugin
 * @main dktapps\TransferPlugin\Main
 * @api 3.0.0-ALPHA3
 * @version 1.0.0
 * @description Proof-of-concept for server transfer in MCPE 1.0.3
 * @author dktapps
 */

namespace dktapps\TransferPlugin{
	class Main extends \pocketmine\plugin\PluginBase implements \pocketmine\event\Listener{
		public function onEnable(){
			$this->getServer()->getCommandMap()->register("transfer", new TransferCommand());
		}
	}

	class TransferCommand extends \pocketmine\command\Command{
		public function __construct(){
			parent::__construct(
				"transfer",
				"Transfer to another server",
				"/transfer <server address> <server port>"
			);
		}
		
		public function execute(\pocketmine\command\CommandSender $sender, $currentAlias, array $args){
			if(count($args) !== 2){
				$sender->sendMessage($this->usageMessage);
				return false;
			}
			
			if(!($sender instanceof \pocketmine\Player)){
				$sender->sendMessage("You can only transfer yourself with this plugin (remember, this is only a proof of concept)");
				return false;
			}

			$pk = new \pocketmine\network\protocol\TransferPacket();
			$pk->address = $args[0];
			$pk->port = (int) $args[1];
			$sender->dataPacket($pk);
			$sender->getServer()->broadcastMessage("Transferred " . $sender->getName() . " to " . $args[0] . ":" . $args[1]);
		}
	}
}