php namespace framework classes class classloader private root private

<?php

namespace framework\classes;
class classloader{
		
		private $root  = "./";
		private $pathes=null;
		
		public function __construct($root=null,array $pathes=null)
		{
				
				if(!is_null($root))   {
						$this->root	 =$root;
				}
				
				
				
				if(!is_null($pathes)) {
						$this->pathes=$pathes;
				}
				
				
		}
		
		public function register  ()
		{
				spl_autoload_register  (array($this,"load"));
		}
		
		public function unregister()
		{
				spl_autoload_unregister(array($this,"load"));
		}
		
		private function prepare($class)
		{
				if(!is_null($this->pathes))
				{
						$file=$this->root . str_replace(array_keys($this->pathes),array_values($this->pathes),$class) . ".php";
				}
				else
				{
						$file=$this->root . str_replace(array("\\","_"),"/",$class);
				}
				
				return $file;				
		}
		
		private function load($class)
		{
				
				$file=$this->prepare($class);
				if(file_exists($file))
				{
						require $file;
				}
				
		}
		
}