CodeBench

borrowed from Kohana

Basic Usage

create controller (classes/controller/codebench.php)

class Controller_Codebench
{   
    public function action_index()
    {
        $class = $_GET['class'];

        if (isset($_POST['class']))
        {
            Request::redirect('codebench/'.trim($_POST['class']));
        }

        if(class_exists($class))
        {
            $codebench = new $class;
            $codebench = $codebench->run();
            Witty::instance('Codebench')->render(array(
                'class' => $class,
                'codebench' => $codebench,
            ));
        }
        else
        {
            Witty::instance('Codebench')->render(array(
                'class' => '',
                'codebench' => array(),
            ));
        }
    }
}

There is a bench demo under demo dir. copy classes dir to app/classes