1) { ?>

$files[0]->getVersion(), 'mode' => 'bulk'))?>

$attributes, 'objects' => $files, 'saveAction' => $bulkPropertiesController->action('update_attribute'), 'clearAction' => $bulkPropertiesController->action('clear_attribute'), 'permissionsCallback' => function($ak, $permissionsArguments) { return true; // this is fine because you can't even access this interface without being able to edit every file. } ));?>