[Laravel]HTTPステータスコードの定数

/**
 * Response represents an HTTP response.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Response
{
    public const HTTP_CONTINUE = 100;
    public const HTTP_SWITCHING_PROTOCOLS = 101;
    public const HTTP_PROCESSING = 102;            // RFC2518
    public const HTTP_EARLY_HINTS = 103;           // RFC8297
    public const HTTP_OK = 200;
    public const HTTP_CREATED = 201;
    public const HTTP_ACCEPTED = 202;
// 以下略

use \Symfony\Component\HttpFoundation\Response;
// または
use Illuminate\Http\Response;

return response()->json(['id' => 1, 'name' => 'Foo Bar'], Response::HTTP_OK);