$userId = JFactory::getUser()->id; $viewlevels = JAccess::getAuthorisedViewLevels($userId);
$userId = JFactory::getUser()->id; $viewlevels = JAccess::getAuthorisedViewLevels($userId, true);This code retrieves the view levels authorized for the logged-in user and includes any inherited access levels. Overall, getAuthorisedViewLevels is useful for controlling access to content within the Joomla system.