<?php

class A {
    protected static $data = array('a', 'b', 'c');
}

class B extends A {
    public static function getData() {
        return parent::$data;
    }
}

print_r(B::getData()); // Array ( [0] => a [1] => b [2] => c )

class Common_Basic extends Controller 
{
	protected static $data = array();
	public function before()
	{
		$auth = Auth::instance();
		
		if($auth->logged_in() != 0)
		{
			$data['left_enter'] = View::factory('left_entered');
		}
		else
		{
			if(isset($_POST['enter']))
			{
				$login = Arr::get($_POST, 'login', '');
				$password = Arr::get($_POST, 'password', '');
				
				if($auth->login($login, $password))
				{
					$data['error'] = '';
					Request::initial()->redirect('');
				}
				else
					$data['error'] = 'Неверный ввод';
			}
			else 
				$data['error'] = '';
				
			$data['left_enter'] = View::factory('left_form', $data);	
		}
		
		$model = Model::factory('main'); 
		$data['left_menu'] = $model->getCategory();
	}

	
	public function action_logout()
	{
		$auth = Auth::instance();
		$auth->logout();
		Request::initial()->redirect('');
	}
}