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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
   1  <?php
   2  
   3  /**
   4   * Module adds the target-based noreferrer attribute transformation to a tags.  It
   5   * is enabled by HTML.TargetNoreferrer
   6   */
   7  class HTMLPurifier_HTMLModule_TargetNoreferrer extends HTMLPurifier_HTMLModule
   8  {
   9      /**
  10       * @type string
  11       */
  12      public $name = 'TargetNoreferrer';
  13  
  14      /**
  15       * @param HTMLPurifier_Config $config
  16       */
  17      public function setup($config) {
  18          $a = $this->addBlankElement('a');
  19          $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetNoreferrer();
  20      }
  21  }