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<?php
/**
* @package Joomla.Platform
* @subpackage Form
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_PLATFORM') or die;
/**
* Form Rule class for the Joomla Platform.
* Requires the value entered be one of the options in a field of type="list"
*
* @package Joomla.Platform
* @subpackage Form
* @since 11.1
*/
class JFormRuleOptions extends JFormRule
{
/**
* Method to test the value.
*
* @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 $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
* @param JRegistry &$input An optional JRegistry object with the entire data set to validate against the entire form.
* @param object &$form The form object for which the field is being tested.
*
* @return boolean True if the value is valid, false otherwise.
*
* @since 11.1
* @throws JException on invalid rule.
*/
public function test(&$element, $value, $group = null, &$input = null, &$form = null)
{
// Check each value and return true if we get a match
foreach ($element->option as $option)
{
if ($value == (string) $option->attributes()->value)
{
return true;
}
}
return false;
}
}