'default', 'region' => 'us-east-2', 'version' => '2012-09-25', ]); try { $result = $transcoder_client -> listPipelines(); var_dump($result); } catch (AwsException $e) { // output error message if fails echo $e->getMessage() . "\n"; } // snippet-end:[elastictranscoder.php.list_pipelines.main] // snippet-end:[elastictranscoder.php.list_pipelines.complete]