我试图使用ValidationErrorsMiddleware.php类作为中间件,所以我将以下代码添加到我的bootstrap/app.php:
$app->add(new App\Middleware\ValidationErrorsMiddleware($container));
将上面的代码添加到我的app.php后,我收到以下错误:
Fatal error: Uncaught exception 'RuntimeException' with message 'Unexpected data in output buffer. Maybe you have characters before an opening <?php tag?' in C:\wamp64\www\authentication\vendor\slim\slim\Slim\App.php on line 552
RuntimeException: Unexpected data in output buffer. Maybe you have characters before an opening <?php tag? in C:\wamp64\www\authentication\vendor\slim\slim\Slim\App.php on line 552
为了以防万一,任何人都需要查看我的类和app.php的代码,我已将它们包括在这里
ValidationErrorsMiddleware.php
<?php
namespace App\Middleware;
class ValidationErrorsMiddleware extends Middleware {
public function __invoke($request, $response, $next) {
var_dump('middleware');
$response = $next($request, $response);
return $response;
}
}
Middleware.php
<?php
namespace App\Middleware;
class …