o-- Request
--> Create form object 
--> Load filters and validators 
--> Response

o-- Request 
--> Create form object 
--> Load filters and validators 
--> Process data
--> Response

<VirtualHost *>
        ServerName www.zend-test.com
        ServerAlias zend-test.com
        DocumentRoot /home/zend-test/public
        <Directory /home/zend-test/public>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
        </Directory>
       RewriteEngine on
       RewriteRule !\.(js|ico|gif|jpg|png|css|html)$ /index.php
</VirtualHost>

application/
|-- bootstrap.php
|-- controllers
|   |-- ErrorController.php
|   |-- HtmlFormController.php
|   |-- ZendFormCachedController.php
|   `-- ZendFormController.php
|-- layouts
|   `-- zend-form.phtml
|-- models
`-- views
    `-- scripts
        |-- error
        |   |-- not-found.phtml
        |   |-- server-error.phtml
        |   `-- setup-error.phtml
        `-- index
            `-- index.phtml
library/
`-- Zend
public/
`-- index.php

class ZendFormController extends Zend_Controller_Action
{
	public function indexAction()
	{
		$this->getHelper('layout')->setLayout('zend-form');
		$this->view->form = $this->getForm(new Zend_Form);
	}
 
	public function getForm(Zend_Form $form) 
	{ 
		$form->setName('test_form');
		$form->setAction('/zend-form/edit');
		$form->setAttrib('action','edit');
		$form->setMethod('post');
 
		$form->clearDecorators();
		$form->addDecorator('FormElements')
			->addDecorator('HtmlTag', array('tag' => '<ul>'))
			->addDecorator('Form');
		$form->setElementDecorators(
			array(
				array('ViewHelper'),
				array('Errors'),
				array('Description'),
				array('Label', array('separator'=> '')),
				array('HtmlTag', array('tag' => 'li', 'class' => 'element-group')),
			)
		);
 
		$hiddenField = new Zend_Form_Element_Hidden('action');
		$form->addElement($hiddenField);
 
		$field1 = new Zend_Form_Element_Select('field1');
		$field1->setLabel('Field 1')
			->setMultiOptions(array('a'=>'a', 'b'=>'b'))
			->setRequired(true)
			->addValidator('NotEmpty', true);
		$form->addElement($field1);
 
		$field2 = new Zend_Form_Element_Text('field2');
		$field2->setLabel('Field 2')
			->setRequired(true)
			->addValidator('alnum')
			->addValidator('NotEmpty')
			->addValidator('regex', false, array('/^[a-z]/'))
			->addFilter('StringToLower');
		$form->addElement($field2);
 
		$field3 = new Zend_Form_Element_Textarea('field3');
		$field3->setLabel('Field 3')
			->setRequired(true)
			->addValidator('NotEmpty')
			->addFilter('StripTags'); 
		$form->addElement($field3);
 
		$field4 = new Zend_Form_Element_Text('field4');
		$field4->setLabel('Field 4')
			->setRequired(true)
			->addValidator('stringLength', false, array(20))
			->addValidator('EmailAddress')
			->addFilter('StringTrim'); 
		$form->addElement($field4);
 
		$field5 = new Zend_Form_Element_Text('field5');
		$field5->setLabel('Field 5')
			->setRequired(true)
			->addValidator('stringLength', false, array(20))
			->addValidator('NotEmpty');
		$form->addElement($field5);
 
		$field6 = new Zend_Form_Element_Radio('field6');
		$field6->setLabel('Field 6')
			->setRequired(true);
		$form->addElement($field6);
 
		$submit = new Zend_Form_Element_Submit('submit');
		$submit->setDecorators(
			array(
				array('ViewHelper'),
				array('Description'),
				array('HtmlTag', array('tag' => 'li', 'class' => 'submit-group')),
			)
		);
		$form->addElement($submit);
 
		$reset = new Zend_Form_Element_Reset('reset');
		$reset->setDecorators(
			array(
				array('ViewHelper'),
				array('Description'),
				array('HtmlTag', array('tag' => 'li', 'class' => 'submit-group')),
			)
		);
		$form->addElement($reset);
 
		return $form->render();
	}
}

class ZendFormCachedController extends Zend_Controller_Action
{
        protected $_formId = 'form';
 
        public function indexAction()
        {
                $frontendOptions = array(
                        'lifetime' => 7200,
                        'automatic_serialization' => true);
 
                $backendOptions = array('cache_dir' => '/tmp/');
                $cache = Zend_Cache::factory('Core', 'File', $frontendOptions, $backendOptions);
 
                if ($this->getRequest()->isPost()) {
                        $form = $this->getForm(new Zend_Form);
                } else if (! $form = $cache->load($this->_formId)) {
                        $form = $this->getForm(new Zend_Form);
                        $cache->save($form, $this->_formId);
                }
 
                $this->getHelper('layout')->setLayout('zend-form');
                $this->view->form = $form;
        }
 
	public function getForm(Zend_Form $form) 
	{
                ...
	}
}

class HtmlFormController extends Zend_Controller_Action
{
	public function indexAction()
	{
		$this->getHelper('layout')->setLayout('html-form');
	}
}

define('APPLICATION_DIRECTORY', dirname(__FILE__));
set_include_path(dirname(APPLICATION_DIRECTORY) . '/library');
 
require_once 'Zend/Loader.php';
Zend_Loader::registerAutoload();
 
// set Model path in include path
set_include_path(get_include_path() . PATH_SEPARATOR . APPLICATION_DIRECTORY . '/models');
 
// bootstrap layouts
Zend_Layout::startMvc(array(
    'layoutPath' => APPLICATION_DIRECTORY . '/layouts',
    'layout' => 'main'
    ));
 
Zend_Controller_Front::run(APPLICATION_DIRECTORY . '/controllers');