Use PSR-7 messages and a PSR-15 handler/middleware to handle HTTP Range request and trigger valid partial download for streams/files. Hande multiple ranges and check different env requirements.
use Lochmueller\HttpRange\HttpRangeRequestHandler;
use Lochmueller\HttpRange\Stream\ReadLocalFileStream;
$handler = new HttpRangeRequestHandler(new ReadLocalFileStream($filePath));
$response = $handler->handle($serverRequest);
// Use response header and content
// or via middleware - HttpRangeMiddleware::class
// response is used for the range splitRun composer test to execute the current tests suite or run composer code-fix to format the code in dev context.