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Request object and a RequestHandler object. Each middleware MUST return an instance of Psr\Http\Message\ResponseInterface.<?php
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\RequestHandlerInterface as RequestHandler;
use Slim\Factory\AppFactory;
use Slim\Psr7\Response;
require __DIR__ . '/../vendor/autoload.php';
$app = AppFactory::create();
/**
* Example middleware closure
*
* @param ServerRequest $request PSR-7 request
* @param RequestHandler $handler PSR-15 request handler
*
* @return Response
*/
$beforeMiddleware = function (Request $request, RequestHandler $handler) {
$response = $handler->handle($request);
$existingContent = (string) $response->getBody();
$response = new Response();
$response->getBody()->write('BEFORE' . $existingContent);
return $response;
};
$afterMiddleware = function ($request, $handler) {
$response = $handler->handle($request);
$response->getBody()->write('AFTER');
return $response;
};
$app->add($beforeMiddleware);
$app->add($afterMiddleware);
// ...
$app->run();