56 lines
2.2 KiB
PHP
56 lines
2.2 KiB
PHP
<?php
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/**
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* @package Joomla.CMS
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* @maintainer Llewellyn van der Merwe <https://git.vdm.dev/Llewellyn>
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*
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* @created 29th July, 2020
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* @copyright (C) 2020 Open Source Matters, Inc. <http://www.joomla.org>
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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// No direct access to this file
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defined('JPATH_PLATFORM') or die;
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use Joomla\CMS\Form\Form;
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use Joomla\CMS\Form\FormRule;
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use Joomla\Registry\Registry;
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/**
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* Form Rule (Int) class for the Joomla Platform.
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*/
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class JFormRuleInt extends FormRule
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{
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/**
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* Method to test that an integer value was added.
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*
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* @param \SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object.
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* @param mixed $value The form field value to validate.
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* @param string $group The field name group control value. This acts as an array container for the field.
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* For example if the field has name="foo" and the group value is set to "bar" then the
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* full field name would end up being "bar[foo]".
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* @param Registry $input An optional Registry object with the entire data set to validate against the entire form.
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* @param Form $form The form object for which the field is being tested.
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*
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* @return boolean True if the value is valid integer, false otherwise.
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*
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*/
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public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
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{
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// Check if the field is required.
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$required = ((string) $element['required'] == 'true' || (string) $element['required'] == 'required');
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// If the value is empty and the field is not required return True.
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if (($value === '' || $value === null) && ! $required)
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{
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return true;
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}
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// now validate the value to be an integer
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// we need to validate a string with the integer in it
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// since this is how Joomla passes the value to the test method
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// so we use type coercion along with is_numeric
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return is_numeric($value) && is_int(+$value);
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// if you have a better idea... lets hear it.
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}
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}
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