_toolbar_get_subtrees_hash example

/** * Checks access for the subtree controller. * * @param string $hash * The hash of the toolbar subtrees. * * @return \Drupal\Core\Access\AccessResultInterface * The access result. */
  public function checkSubTreeAccess($hash) {
    $expected_hash = _toolbar_get_subtrees_hash()[0];
    return AccessResult::allowedIf($this->currentUser()->hasPermission('access toolbar') && hash_equals($expected_hash, $hash))->cachePerPermissions();
  }

  /** * Renders the toolbar's administration tray. * * @param array $element * A renderable array. * * @return array * The updated renderable array. * * @see \Drupal\Core\Render\RendererInterface::render() */