westdc-zf1/application/default/controllers/KnowledgeController.php

<?php
class KnowledgeController extends Zend_Controller_Action 
{
    function indexAction()
    {
        //$this->_redirect('/metadata');
        $sql="select * from knl_article where url <>'' order by item_id desc limit 10";
        $this->view->articles=$this->db->fetchAll($sql);
    }
    function preDispatch()
    {
    	$this->db=Zend_Registry::get('db');
    	$this->view->config = Zend_Registry::get('config');
    	$this->messenger=$this->_helper->getHelper('FlashMessenger');
    	$this->view->messages = $this->messenger->getMessages();
    }    
}