'; $app_secret = ''; $app_id = ''; $id = ''; $api = Api::init($app_id, $app_secret, $access_token); $api->setLogger(new CurlLogger()); $fields = array( 'name', 'start_time', 'end_time', 'daily_budget', 'lifetime_budget', ); $params = array( ); echo json_encode((new Campaign($id))->getAdSets( $fields, $params )->getResponse()->getContent(), JSON_PRETTY_PRINT);