Your IP : 216.73.216.74
<?php
/**
* @package Joomla.Installation
*
* @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\CMS\Filter\InputFilter;
/**
* Form Rule class for the username.
*
* @since 3.9.4
*/
class InstallationFormRuleUsername extends JFormRule
{
/**
* Method to test a username
*
* @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 JForm $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, JRegistry $input = null, JForm $form = null)
{
$filterInput = InputFilter::getInstance();
if (preg_match('#[<>"\'%;()&\\\\]|\\.\\./#', $value) || strlen(utf8_decode($value)) < 2
|| $filterInput->clean($value, 'TRIM') !== $value
|| strlen(utf8_decode($value)) > $element['size'])
{
return false;
}
return true;
}
}