Tap obsidian to teleport to Nether world on PocketMine

netherquick.php

<?php

/*
__PocketMine Plugin__
name=NetherQuick
description=Tap on obsidian to go to the second world loaded or to the default world if already in second world
version=1.0
author=zhuowei
class=NetherQuick
apiversion=7
*/

/* 
Small Changelog
===============

1.0: Initial release

*/



class NetherQuick implements Plugin{

	private $api;
	public function __construct(ServerAPI $api, $server = false){
		$this->api = $api;
	}
	
	public function init(){
		$this->api->addHandler("player.block.touch", array($this, "touchHandler"), 15);

	}

	public function touchHandler($data, $event) {
		$dataTarget = $data["target"];
		if ($dataTarget->getID() === OBSIDIAN) {
			if ($data["player"]->level !== $this->api->level->getDefault()) {
				$data["player"]->teleport($this->api->level->getDefault()->getSpawn());
			} else {
				$data["player"]->teleport($this->api->level->get("nether")->getSpawn());
			}
			return false;
		}
		return true;
		
	}
	
	public function __destruct(){

	}

	
}