PHP Linked List

linkedlist.php

<!-- 
	Filename:	linkedlist.php
	Creation Date:	July 22, 2014
	Purpose:	Create a basic linked list
-->
<?php

class Node
{
	private $object;
	private $next;

	function __construct($object)
	{
		$this->setObject($object);
		$this->setNext(null);
	}

	function setObject($object)
	{
		$this->object = $object;
	}

	function getObject(){
		return $this->object;
	}

	function setNext($next)
	{
		$this->next = $next;
	}

	function getNext()
	{
		return $this->next;
	}

}

class LinkedList
{
	public $firstNode;
	public $currentNode;
	public $count;

	function __construct()
	{
		$this->firstNode = null;
		$this->currentNode = null;
		$this->count = 0;
	}

	function insertObject($object)
	{
		$node = new Node($object);

		if($this->firstNode == null)
			$this->firstNode = $node;

		if($this->currentNode == null)
			$this->currentNode = $node;

		$this->currentNode->setNext($node);

		$this->currentNode = $node;

		$this->count++;
	}

	function outputList()
	{
		$list = array();
		$current = $this->firstNode;
		while($current != null) {
			array_push($list, $current->getObject());
			$current = $current->getNext();
		}
		foreach($list as $l)
		{
			echo $l.' ';
		}
	}
}

$list = new LinkedList();

$list->insertObject("Hello");
$list->insertObject("World!");
$list->insertObject("My");
$list->insertObject("Name");
$list->insertObject("Is");
$list->insertObject("Jon.");

$list->outputList();


?>