$locales
$locales : array
List of valid locales for the request
Sets the runtime default locale for the request based on the Accept-Language header. The default will only be set if it matches the list of passed valid locales.
__invoke(\Psr\Http\Message\ServerRequestInterface $request, \Psr\Http\Message\ResponseInterface $response, callable $next) : \Psr\Http\Message\ResponseInterface
| \Psr\Http\Message\ServerRequestInterface | $request | The request. |
| \Psr\Http\Message\ResponseInterface | $response | The response. |
| callable | $next | The next middleware to call. |
A response.