class Test_Controller extends Controller {
  public function test_page($id = 0, $text = 'О_о') {
    echo (int)$id . ' : ' . htmlspecialchars($text) . '<br />';
  }
}

<?php if (!defined('APP')) die('Access is forbidden!!!');

class Request_Core {
    /**
     * @var string Маршрут
     */
    public $route;
    /**
     * @var string Контроллёр
     */
    public $controller;
    /**
     * @var string Действие
     */
    public $action;
    /**
     * @var array Параметры запроса
     */
    public $params = array();
    /**
	 * Singleton
	 *
	 * @return Request
	 */
	public static function &instance() {
		static $instance = null;
		if ($instance === null) {
			$instance = new Request();
		}
		return $instance;
	}

}

if (!defined('REQUEST_CLASS')) {
	class Request extends Request_Core { }
}

<?php if (!defined('APP')) die('Access is forbidden!!!');

class Router_Core extends Object {

	/**
	 * Singleton
	 *
	 * @return Router
	 */
	public static function &instance() {
		static $instance = null;
		if ($instance === null) {
			$instance = new Router();
		}
		return $instance;
	}

	public function Run($route) {
        $request = Request::instance();
        $request->route = $route;
        $parts = explode('/', $route);
        if (count($parts) == 1) {
            $request->controller = empty($parts[0]) ? 'default' : $parts[0];
            $request->action = 'index';
        } else {
            $request->controller = array_shift($parts);
            $request->action = array_shift($parts);
            while (!is_null($name = array_shift($parts))) {
                $value = array_shift($parts);
                $request->params[$name] = is_null($value) ? '' : $value;
            }
        }
        $controller = $this->getController($request->controller);
        call_user_func(array($controller, $request->action . '_page'), $request);
	}
}

if (!defined('ROUTER_CLASS')) {
	class Router extends Router_Core {}
}

<?php
class default_Controller extends Object {
    public function index_page(Request $request) {
        echo "This is index";
        var_dump($request);
    }
}

        $controller = $this->getController($request->controller);
        call_user_func(array($controller, $request->action . '_page'), $request);

<?php if (!defined('APP')) die('Access is forbidden!!!');

class Router_Core extends Object {

	/**
	 * @var mixed Конфигурация
	 */
	public $config;

	/**
	 * @var string Контроллер
	 */
	public $controller = 'system';

	/**
	 * @var string Страница (метод контроллера)
	 */
	public $function = 'index';

	/**
	 * Singleton
	 *
	 * @return Router
	 */
	public static function &instance() {
		static $instance = null;
		if ($instance === null) {
			$instance = new Router();
		}
		return $instance;
	}

	public function Run($route) {
		$route = explode('/', $route);
		if (!empty($route[0])) {
			$this->controller = $route[0];
			unset($route[0]);

			if (count($route) % 2 == 1) {
				$this->function = $route[1];
				unset($route[1]);
			}
		}
		$route = implode('/', $route);

		Registry::get('Request')->Init($route);
		if (!$this->FireEvent('Out')) {
			$this->Out();
		}
	}

	public function Out() {
		$controller = $this->getController($this->controller);
		if ($controller !== null) {
			$page = $this->function . '_page';
			if (method_exists($controller, $page)) {
				$controller->$page();
			} else {
				$this->getController('System')->_404_page();
			}
		} else {
			$this->getController('System')->_404_page();
		}
	}

}

if (!defined('ROUTER_CLASS')) {
	class Router extends Router_Core {}
}

<?php if (!defined('APP')) die('Access is forbidden!!!');

class Request_Core extends Object {
    
	/**
	 * @var mixed Аргументы
	 */
	public $args = array();

	public function Init($route) {
		if ($this->FireEvent('Init', array('route' => &$route))) return;

		$route = explode('/', $route);
		for ($i = 0 ; $i < count($route) ; $i+=2) {
			$this->args[$route[$i]] = $route[$i+1];
		}
	}

}

if (!defined('REQUEST_CLASS')) {
	class Request extends Request_Core { }
}

<?php if (!defined('APP')) die('Access is forbidden!!!');

function __autoload($classname) {
	$class = explode('_', strtolower($classname));

	$folder = 'classes';
	if (count($class) > 1) switch($class[1]) {
		case 'controller':
			$folder = 'controllers';
			break;
		case 'model':
			$folder = 'models';
			break;
	}

	if ($class[count($class) - 1] != 'core' && is_file(APP . $folder . DS . $class[0] . EXT)) { //Проверяем на наличие файла в папке приложения
		define(strtoupper($class[0]) . '_' . strtoupper($folder));
		require(APP . $folder . DS . $class[0] . EXT);
		return true;
	}

	if (is_file(CORE . $folder . DS . $class[0] . EXT)) { //Проверяем на наличие в папке ядра
		require(CORE . $folder . DS . $class[0] . EXT);
		return true;
	}

	return false;
}

function GET($name, $hsc = true) {
	return $hsc == true ? htmlspecialchars(Registry::get('Request')->args[$name]) : Registry::get('Request')->args[$name];
}

function POST($name, $hsc = true) {
	return $hsc == true ? htmlspecialchars($_POST[$name]) : $_POST[$name];
}

  private function _router() {
        
        $request = $_SERVER["REQUEST_URI"];
        preg_match_all("~(.*)(/|\?|\&)~iU", $request, $url);
        
        $url = $url[1];
        
        
        $url[0] = '/';
        
        $this->_urls = $url;
        
        
        $this->_url = implode('/', $url);
        
        $this->_url = trim ($this->_url, '/ ');
        
        $this->_url = (empty($this->_url)) ? '/' : '/' . $this->_url . '/';
        
        $controler = 'main';
        $functionControler = 'index';
        $argument = array();
        
        if (count($url) > 1 && isset($url[1])) {
            
            $controler = $url[1];
            
            $functionControler = isset($url[2]) 
                               ? $url[2]
                               : 'index';
            
            $argument = array();
            
            if( isset($url[2]) && isset($url[3]) ) {
                
                unset ($url[0]);
                unset ($url[1]);
                unset ($url[2]);
                
                $argument = $url;
                
             }
        
        
        
        }
        
        $this->_controler = $controler;
        $this->_functionControler = $functionControler;
        $this->_argument = $argument;
        
    }