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<?php
/**
* @package Techjoomla.Libraries
* @author Techjoomla <extensions@techjoomla.com>
* @copyright Copyright (C) 2009 - 2019 Techjoomla. All rights reserved.
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
defined('_JEXEC') or die('Restricted access');
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormRule;
use Joomla\Registry\Registry;
/**
* Rule for date validation
*
* @since __DEPLY_VERSION__
*/
class JFormRuleDate extends FormRule
{
/**
* 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 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, false otherwise.
*
* @since __DEPLY_VERSION__
* @throws \UnexpectedValueException if rule is invalid.
*/
public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
{
if (empty($value))
{
return false;
}
// This applied when date string format is checked.
if (!empty($element->attributes()->dateFormat))
{
$format = $element->attributes()->dateFormat;
}
else
{
// If no format is passed then get the defaul format.
$format = "Y-m-d";
// Generate different format depending on the xml params
if (!empty($element->attributes()->showtime))
{
$format = 'Y-m-d H:i:s';
}
}
// Validate for format
$dt = DateTime::createFromFormat($format, $value);
if ($dt instanceof DateTime)
{
return true;
}
return false;
}
}