Simple page render and redirect

Page.php

<?php 
class Page{
	
	public $name;
	public $params;
	public $title;
	public $content;
	
	public function __construct($name,$params = array()){
		$this->name = $name;
		$this->params = $params;
		$this->title = '';
	}
	
	public function render(){
		ob_start();
		extract($this->params);
		include('./pages/'.$this->name.'/index.php');
		$this->content = ob_get_clean();
	}
	
	private static $_PAGE = null;
	public static function load(){
		if(self::$_PAGE == null){
			$name = 'default';
			$params = array_merge($_GET,$_POST);
			if(isset($params['n'])){
				$name = $params['n'];
				unset($params['n']);
			}
			self::$_PAGE = new self($name,$params);
			self::$_PAGE->render();
		}
		return self::$_PAGE;
	}
	
	public static function redirect($name){
		header('location:index.php?n='.$name);
		exit();
	}
	
}