Implements hook_preprocess_block().

File

drupal-7.x/modules/system/system.module, line 2104

Configuration system that lets administrators modify the workings of the site.

Code

function system_preprocess_block(&$variables) {
  // System menu blocks should get the same class as menu module blocks.
  if ($variables['block']->module == 'system' && in_array($variables['block']->delta, array_keys(menu_list_system_menus()))) {
    $variables['classes_array'][] = 'block-menu';
  }
}