File Source for Next.php

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Alexey Borzov <avb@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Next.php 6184 2005-09-07 10:08:17Z bmol $
require_once 'HTML/QuickForm/Action.php';
/**
* The action for a 'next' button of wizard-type multipage form.
*
* @author Alexey Borzov <avb@php.net>
* @package HTML_QuickForm_Controller
* @version $Revision: 6184 $
*/
class HTML_QuickForm_Action_Next extends HTML_QuickForm_Action
{
function perform(&$page, $actionName)
{
// save the form values and validation status to the session
$page->isFormBuilt() or $page->buildForm();
$pageName = $page->getAttribute('id');
$data =& $page->controller->container();
$data['values'][$pageName] = $page->exportValues();
$data['valid'][$pageName] = $page->validate();
// Modal form and page is invalid: don't go further
if ($page->controller->isModal() && !$data['valid'][$pageName]) {
return $page->handle('display');
}
// More pages?
if (null !== ($nextName = $page->controller->getNextName($pageName))) {
$next =& $page->controller->getPage($nextName);
return $next->handle('jump');
// Consider this a 'finish' button, if there is no explicit one
} elseif($page->controller->isModal()) {
if ($page->controller->isValid()) {
return $page->handle('process');
} else {
// this should redirect to the first invalid page
return $page->handle('jump');
}
} else {
return $page->handle('display');
}
}
}
?>

Source for file Next.php