Stream to S3 Bucket

use Aws\S3\S3Client;
use Aws\Credentials\CredentialProvider;
use ZipStream\ZipStream;

$bucket = 'your bucket name';
$client = new S3Client([
    'region' => 'your region',
    'version' => 'latest',
    'bucketName' => $bucket,
    'credentials' => CredentialProvider::defaultProvider(),
]);
$client->registerStreamWrapper();

$zipFile = fopen("s3://$bucket/example.zip", 'w');

$zip = new ZipStream(
    enableZip64: false,
    outputStream: $zipFile,
);

$zip->addFile(
    fileName: 'file1.txt',
    data: 'File1 data',
);
$zip->addFile(
    fileName: 'file2.txt',
    data: 'File2 data',
);
$zip->finish();

fclose($zipFile);