Return کردن value در middleware

سلام

<?php

namespace App\Http\Middleware;

use Closure;

class ApiTokenMiddleware
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $api_token = $request->get('api_token');

        if (!isValidToken($api_token)) {
            return redirect('login');
        }

        $user_id = getUserIdByToken($api_token);

        $request->request->add(['user_id'=> $user_id]);

        return $next($request);
    }
}