// Simple tree class
// <Id of node> || <node name> || 
class Node {
	
	private $nodeId, $nodeName;
	private static $nodeList;
	private static $nodeCount;
	
	function __construct($nodeId, $nodeName) {
		
		$this->nodeId = $nodeId; 
		$this->nodeName = $nodeName;
		Node::$nodeList[] = $this;
		Node::$nodeCount++;
	}
	
	// function to draw nodeTree
	static function draw() {
		foreach(Node::$nodeList as $key => $val) {
			echo $val->nodeName;
			echo "<br>";
		}
	}
	
}


$rootNode = new Node(0, "[-]Rootnode[-]");
$omgNode = new Node(1,"lol");
$subNode = new Node(0,"[+]Subnode[+]");

Node::draw();

?>