Component-Builder/admin/models/rules/int.php

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<?php
/**
* @package Joomla.Component.Builder
*
* @created 30th April, 2015
* @author Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
* @gitea Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
* @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 (Int) class for the Joomla Platform.
*/
class JFormRuleInt extends FormRule
{
/**
* Method to test that an integer value was added.
*
* @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 integer, false otherwise.
*
*/
public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
{
// Check if the field is required.
$required = ((string) $element['required'] == 'true' || (string) $element['required'] == 'required');
// If the value is empty and the field is not required return True.
if (($value === '' || $value === null) && ! $required)
{
return true;
}
// now validate the value to be an integer
// we need to validate a string with the integer in it
// since this is how Joomla passes the value to the test method
// so we use type coercion along with is_numeric
return is_numeric($value) && is_int(+$value);
// if you have a better idea... lets hear it.
}
}