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<?php
namespace JsonApi\Middlewares;
use Negotiation\LanguageNegotiator;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface as RequestHandler;
/**
* This class defines a middleware that tries to set the language for Stud.IP
* by analyzing the HTTP header "Accept-Language".
*
* @author Jan-Hendrik Willms <tleilax+studip@gmail.com>
*/
final class Language implements MiddlewareInterface
{
/**
* @param Request $request das Request-Objekt
* @param RequestHandler $handler der PSR-15 Request Handler
*
* @return ResponseInterface das neue Response-Objekt
*/
public function process(Request $request, RequestHandler $handler): ResponseInterface
{
$language = $_SESSION['_language'] ?? get_accepted_languages($request);
init_i18n($language);
$_SESSION['_language'] = $language;
return $handler->handle($request);
}
}
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