Mam taki problem, otóż nie wiem jak do widoku akcji i do headera przekazać zmienne z kontrolera. Widok i akcja są podłączone pod główny widok, przez co nie idzie ich tak przekazać po prostu.

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<?php defined('SYSPATH') or die('No direct script access.');
 
class Controller_Panel extends Controller {
 
        public $template = 'pages/panel';
 
        protected $auth;
 
        protected $validation;
 
        public function before()
        {   
            $this->auth = Auth::instance();
 
            $this->template = View::factory( $this->template)->set('header', View::factory('header'));
 
            if( $this->auth->logged_in('login') == FALSE){
 
                $this->request->redirect('/login');
 
            }
 
            $this->template->username = $this->auth->get_user()->username;
 
 
        }
 
        public function action_index()
        {       
                $this->response->body( $this->template->render());
 
        }
        public function action_logout()
        {
                if( $this->auth->logout( TRUE)){
 
                    $this->request->redirect('/');
 
                }
        }
 
        public function action_add()
        {   
            if( isset( $_POST['submit'])){
 
                $this->validation = new Validation( $_POST);
 
                $this->validation->rule('title', 'not_empty')
                                 ->rule('title', 'min_length', array(':value', 3))
                                 ->rule('title', 'max_length', array(':value', 45))
                                 ->rule('description', 'not_empty')
                                 ->rule('description', 'max_length', array(':value', 255));           
 
                if( $this->validation->check() == TRUE){
 
                    // coś tam.
 
                }
 
            }
 
            $this->template->action = View::factory('pages/add');
 
            $this->response->body( $this->template->render());
        }
 
        public function action_edit()
        {
 
            if( isset( $_POST['submit'])){
 
                $this->validation = new Validation( $_POST);
 
                $this->validation->rule('city', 'not_empty')
                                 ->rule('city', 'min_length', array(':value', 3))
                                 ->rule('city', 'max_length', array(':value', 55))
                                 ->rule('biography', 'not_empty')
                                 ->rule('biography', 'max_length', array(':value', 255));
 
                if( $this->validation->check() == TRUE){
 
                    $user = $this->auth->get_user();
 
                    $user->update_user( $_POST, array('city', 'biography'));
 
                }
 
 
 
            }
 
            $this->template->action = View::factory('pages/edit');
 
            $this->response->body( $this->template->render());
 
        }
}
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nagłówki możesz ustalać za pomocą funkcji headers z klasy response np.

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$this->response->headers(array('Content-Type' => 'text/html', 'Cache-Control' => 'no-cache'));
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A co do przekazywania zmiennych z kontrolera do widoku o ile dobrze myślę nad Twoim problemem to mozesz skorzystać z funkcji bind_global

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View::factory('template')->bind_global('var', $var); 
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Nie lepiej użyć Template_Controller ?