Class JFormRuleUsername

Form Rule class for the Joomla Platform.

JFormRule

JFormRuleUsername

Package: Joomla\Platform\Form
Copyright: Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
License: General Public License version 2 or later; see LICENSE
Since: 11.1
Located at joomla/form/rule/username.php

Methods summary

`public boolean`	# `test( SimpleXMLElement $element, mixed $value, string $group = null, Joomla\Registry\Registry $input = null, JForm $form = null )` Method to test the username for uniqueness. Method to test the username for uniqueness. Parameters `$element` `SimpleXMLElement` - $element The SimpleXMLElement object representing the `<field>` tag for the form field object. `$value` `mixed` - $value The form field value to validate. `$group` `string` - $group The field name group control value. This acts as an array container for the field. For example if the field has name="foo" and the group value is set to "bar" then the full field name would end up being "bar[foo]". `$input` `Joomla\Registry\Registry` - $input An optional Registry object with the entire data set to validate against the entire form. `$form` `JForm` - $form The form object for which the field is being tested. Returns `boolean` - True if the value is valid, false otherwise. Throws `UnexpectedValueException` - if rule is invalid. Since 11.1 Overrides `JFormRule::test`