以实例为说明：
controller
<?php
use \Phalcon\Forms\Form;
use \Phalcon\Forms\Element\Text;
use \Phalcon\Forms\Element\Select;
use \Phalcon\Mvc\Controller,
Phalcon\Validation\Validator\PresenceOf,
Phalcon\Validation\Validator\StringLength;
class FormController extends Controller
{
public function indexAction()
{
$form = new Form();
//例子一：
$form->add(new Text("name", array(
"maxlength" => 20,
"placeholder"=>‘you name‘
)));
//例子二：
$form->add(new Text("telphone"));
//例子三：
//例子三我有不明白的地方，该怎么调用他的验证。
$passwd = new Text("passwd");
$passwd->addValidator(new PresenceOf(array(
‘message‘ => ‘The passwd is required‘
)));
$passwd->addValidator(new StringLength(array(
‘min‘ => 10,
‘messageMinimum‘ => ‘The passwd is too short‘
)));
$form->add($passwd);
$this->view->pick("form/form");
$this->view->form=$form;
}
}
?>
phtml
<html>
<title>aaa</title>
<body>
<?php echo $this->tag->form("form/test");?>
<?php echo $form->render("name") ?>
<br>
<?php echo $form->render("telphone", array("maxlength"=>20, "placeholder"=>"you telphone"));?>
<br>
<?php echo $form->render("passwd") ?>
<br>
<?php echo $this->tag->submitButton("login");?>
</form>
</body>
</html>
原文：http://www.cnblogs.com/achengmu/p/5918218.html