'latest', 'region' => 'us-east-1', 'endpoint' => $S3Server, 'use_path_style_endpoint' => true, 'credentials' => [ 'key' => $S3AccessKey, 'secret' => $S3SecretKey, ], ]); $result = $s3Client->ListObjects(['Bucket' => $S3BucketName, 'Delimiter'=>'/', 'Prefix' => 'skills/']); $response = []; foreach ($result["Contents"] as $skill){ array_push($response, $skill["Key"]); } header("Content-Type: application/json"); echo json_encode($response);