TransferCommand.php

<?php 

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//This is an edited version of BlueLight TransferCommand.php by PluginBOXone!+
//Twitter: @gamerboxone                                                      +
//Twitter2: @cyberzonepe                                                     +
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 

namespace pocketmine\command\defaults;

use pocketmine\network\protocol\TransferPacket;
use pocketmine\command\CommandSender;
use pocketmine\{Player, Server};

class TransferCommand extends VanillaCommand{
	
	public function __construct($name){
		parent::__construct(
			$name,
			"%pocketmine.command.transfer.description",
			"%pocketmine.command.transfer.usage",
			["transfer"]
		);
		$this->setPermission("pocketmine.command.transfer");
	}

	public function execute(CommandSender $sender, $currentAlias, array $args){
		$address = null;
		$port = null;
		$player = null;
		if($sender instanceof Player){
			if(!$this->testPermission($sender)){
				return true;
			}

			if(count($args) <= 0){
				$sender->sendMessage("PBOTransfer: /transfer [PLAYER] <IP> [PORT]");
				return false;
			}

			$address = strtolower($args[0]);
			$port = (isset($args[1]) && is_numeric($args[1]) ? $args[1] : 19132);

			$pk = new TransferPacket();
			$pk->address = $address;
			$pk->port = $port;
			$sender->dataPacket($pk);

			return false;
		}

		if(count($args) <= 1){
			$sender->sendMessage("PBOTransfer: /transfer [PLAYER] <IP> [PORT]");
			return false;
		}

		if(!($player = Server::getInstance()->getPlayer($args[0])) instanceof Player){
			$sender->sendMessage("PBOTransfer: This player isn't online!");
			return false;
		}

		$address = strtolower($args[1]);
		$port = (isset($args[2]) && is_numeric($args[2]) ? $args[2] : 19132);

		$sender->sendMessage("Sending ".$player->getName()." to ".$address.":".$port);

		$pk = new TransferPacket();
		$pk->address = $address;
		$pk->port = $port;
		$player->dataPacket($pk);
	}
}