gistfile1.aw

    public function createAction()
    {
		$form = new Application_Form_Post();
		$post = new Application_Model_Posts();
		//tem dados
		if ($this->_request->isPost()) {
			//form valido
			if ($form->isValid($this->_request->getPost())) {
				$id = $post->insert($form->getValues());
				$this->_redirect('post/retrieve');
			}//form invalido
			else { // Mostra os erros e popula o form com os dados
				$form->populate($form->getValues()); 
			}
		}
		$this->view->form = $form;
	}