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PHP Cross Reference of Joomla 4.2.2 documentation |
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1 <?php 2 3 /** 4 * Joomla! Content Management System 5 * 6 * @copyright (C) 2017 Open Source Matters, Inc. <https://www.joomla.org> 7 * @license GNU General Public License version 2 or later; see LICENSE.txt 8 */ 9 10 namespace Joomla\CMS\Form\Rule; 11 12 use Joomla\CMS\Date\Date; 13 use Joomla\CMS\Factory; 14 use Joomla\CMS\Form\Form; 15 use Joomla\CMS\Form\FormRule; 16 use Joomla\Registry\Registry; 17 18 // phpcs:disable PSR1.Files.SideEffects 19 \defined('JPATH_PLATFORM') or die; 20 // phpcs:enable PSR1.Files.SideEffects 21 22 /** 23 * Form Rule class for the Joomla Platform 24 * 25 * @since 3.7.0 26 */ 27 class CalendarRule extends FormRule 28 { 29 /** 30 * Method to test the calendar value for a valid parts. 31 * 32 * @param \SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object. 33 * @param mixed $value The form field value to validate. 34 * @param string $group The field name group control value. This acts as an array container for the field. 35 * For example if the field has name="foo" and the group value is set to "bar" then the 36 * full field name would end up being "bar[foo]". 37 * @param Registry $input An optional Registry object with the entire data set to validate against the entire form. 38 * @param Form $form The form object for which the field is being tested. 39 * 40 * @return boolean True if the value is valid, false otherwise. 41 * 42 * @since 3.7.0 43 */ 44 public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null) 45 { 46 // If the field is empty and not required, the field is valid. 47 $required = ((string) $element['required'] === 'true' || (string) $element['required'] === 'required'); 48 49 if (!$required && empty($value)) { 50 return true; 51 } 52 53 if (strtolower($value) === 'now') { 54 return true; 55 } 56 57 try { 58 return Factory::getDate($value) instanceof Date; 59 } catch (\Exception $e) { 60 return false; 61 } 62 } 63 }
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