view helper fix

<?php

class UsersController extends Zend_Controller_Action
{

    public function init()
    {
        /* Initialize action controller here */
    }

    public function indexAction()
    {

        $this->view->username = 'Jeremy';
        $this->_viewAction();

    }

    public function listAction()
    {

        $this->view->userList = array('Jeremy', 'Scott', 'Edin', 'Gareth');

    }

    public function __call($method, $args)
    {

        $username = ucwords(substr($method, 0, -6));
        $this->view->username = $username;
        $this->_viewAction();

    }

    protected function _viewAction()
    {

        $this->render('user');

    }

}

//view
<?php if (!empty($this->userList)): ?>
<div><?php echo $this->htmlList($this->userList) ; ?></div>
<?php else: ?>
<div>No users available</div>
<?php endif; ?>