55 lines
2.1 KiB
PHP
55 lines
2.1 KiB
PHP
<?php
|
|
/**
|
|
* @package Joomla.Component.Builder
|
|
*
|
|
* @created 30th April, 2015
|
|
* @author Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
|
|
* @github Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
|
|
* @copyright Copyright (C) 2015 Vast Development Method. All rights reserved.
|
|
* @license GNU General Public License version 2 or later; see LICENSE.txt
|
|
*/
|
|
|
|
// No direct access to this file
|
|
defined('JPATH_PLATFORM') or die;
|
|
|
|
use Joomla\CMS\Form\Form;
|
|
use Joomla\CMS\Form\FormRule;
|
|
use Joomla\Registry\Registry;
|
|
|
|
/**
|
|
* Form Rule (Guid) class for the Joomla Platform.
|
|
*/
|
|
class JFormRuleGuid extends FormRule
|
|
{
|
|
/**
|
|
* Method to test for a Globally Unique Identifier.
|
|
*
|
|
* @param \SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object.
|
|
* @param mixed $value The form field value to validate.
|
|
* @param string $group The field name group control value. This acts as an array container for the field.
|
|
* For example if the field has name="foo" and the group value is set to "bar" then the
|
|
* full field name would end up being "bar[foo]".
|
|
* @param Registry $input An optional Registry object with the entire data set to validate against the entire form.
|
|
* @param Form $form The form object for which the field is being tested.
|
|
*
|
|
* @return boolean True if the value is valid, false otherwise.
|
|
*
|
|
*/
|
|
public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
|
|
{
|
|
$value = trim($value);
|
|
|
|
// If the field is empty and not required, the field is valid.
|
|
$required = ((string) $element['required'] == 'true' || (string) $element['required'] == 'required');
|
|
|
|
if (!$required && empty($value))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// thanks to Lewie https://stackoverflow.com/a/1515456/1429677
|
|
return preg_match("/^(\{)?[a-f\d]{8}(-[a-f\d]{4}){4}[a-f\d]{8}(?(1)\})$/i", $value);
|
|
}
|
|
|
|
}
|