'default', 'version' => '2017-10-17', 'region' => 'us-west-2' ]); $secretName = 'MySecretName'; try { $result = $client->listSecretVersionIds([ 'SecretId' => $secretName, ]); var_dump($result); } catch (AwsException $e) { // output error message if fails echo $e->getMessage(); echo "\n"; } // snippet-end:[secretsmanager.php.list_secret_versions.main] // snippet-end:[secretsmanager.php.list_secret_versions.complete]