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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright  (C) 2019 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\Filter;
  11  
  12  use Joomla\CMS\Form\Form;
  13  use Joomla\CMS\Form\FormFilterInterface;
  14  use Joomla\Registry\Registry;
  15  
  16  // phpcs:disable PSR1.Files.SideEffects
  17  \defined('JPATH_PLATFORM') or die;
  18  // phpcs:enable PSR1.Files.SideEffects
  19  
  20  /**
  21   * Form Filter class for rules
  22   *
  23   * @since  4.0.0
  24   */
  25  class RulesFilter implements FormFilterInterface
  26  {
  27      /**
  28       * Method to filter a field value.
  29       *
  30       * @param   \SimpleXMLElement  $element  The SimpleXMLElement object representing the `<field>` tag for the form field object.
  31       * @param   mixed              $value    The form field value to validate.
  32       * @param   string             $group    The field name group control value. This acts as an array container for the field.
  33       *                                       For example if the field has name="foo" and the group value is set to "bar" then the
  34       *                                       full field name would end up being "bar[foo]".
  35       * @param   Registry           $input    An optional Registry object with the entire data set to validate against the entire form.
  36       * @param   Form               $form     The form object for which the field is being tested.
  37       *
  38       * @return  mixed   The filtered value.
  39       *
  40       * @since   4.0.0
  41       */
  42      public function filter(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
  43      {
  44          $return = array();
  45  
  46          foreach ((array) $value as $action => $ids) {
  47              // Build the rules array.
  48              $return[$action] = array();
  49  
  50              foreach ($ids as $id => $p) {
  51                  if ($p !== '') {
  52                      $return[$action][$id] = ($p == '1' || $p === 'true');
  53                  }
  54              }
  55          }
  56  
  57          return $return;
  58      }
  59  }