Nilai Variabel tidak keluar

<?php
	class Hello extends Controller{
		//declare variables or class properties
		var $name;
		var $color;
 
		function Hello(){
			parent::Controller();
 
			//give default value
			$this->name = 'Fandi';
			$this->color = 'yellow';
		}
 
		function world(){
			$data['name'] = $this->name;
			$data['color']= $this->color;
 
		//fungsi ini digunakan untuk meload view
		//$data = define variabel sent to views
			$this->load->view('world_view',$data);
		}
	}
?>