cloner = new VarCloner(); $this->cloner->addCasters(ReflectionCaster::UNSET_CLOSURE_FILE_INFO); } public function handle(Request $request, Closure $next) { $prevHandler = VarDumper::setHandler(function ($var) { $dumper = new HtmlDumper(); $dumper->dump($this->cloner->cloneVar($var)); }); $response = $next($request); VarDumper::setHandler($prevHandler); return $response; } }