0x1998 - MANAGER
Edit File: FormRule.php
<?php /** * Joomla! Content Management System * * @copyright (C) 2017 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Form; defined('JPATH_PLATFORM') or die; use Joomla\Registry\Registry; // Detect if we have full UTF-8 and unicode PCRE support. if (!defined('JCOMPAT_UNICODE_PROPERTIES')) { /** * Flag indicating UTF-8 and PCRE support is present * * @var boolean * @since 1.6 */ define('JCOMPAT_UNICODE_PROPERTIES', (bool) @preg_match('/\pL/u', 'a')); } /** * Form Rule class for the Joomla Platform. * * @since 1.6 */ class FormRule { /** * The regular expression to use in testing a form field value. * * @var string * @since 1.6 */ protected $regex; /** * The regular expression modifiers to use when testing a form field value. * * @var string * @since 1.6 */ protected $modifiers; /** * 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 1.6 * @throws \UnexpectedValueException if rule is invalid. */ public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null) { // Check for a valid regex. if (empty($this->regex)) { throw new \UnexpectedValueException(sprintf('%s has invalid regex.', get_class($this))); } // Add unicode property support if available. if (JCOMPAT_UNICODE_PROPERTIES) { $this->modifiers = (strpos($this->modifiers, 'u') !== false) ? $this->modifiers : $this->modifiers . 'u'; } // Test the value against the regular expression. if (preg_match(chr(1) . $this->regex . chr(1) . $this->modifiers, $value)) { return true; } return false; } }