'{username}', 'apiKey' => '{apiKey}', )); // 2. Obtain an Object Store service object from the client. $objectStoreService = $client->objectStoreService(null, '{region}'); // 3. Bulk delete objects and empty containers. $response = $objectStoreService->bulkDelete(array( '{container1}/{objectName}', '{container2}/{objectName}', '{container3}' ));