Upgrade to Laravel 10

app/Http/Middleware/MyAuthMiddleware.php

@@ -7,18 +7,17 @@ namespace App\Http\Middleware;
 use Closure;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
+use Symfony\Component\HttpFoundation\Response;
 
 class MyAuthMiddleware
 {
     /**
      * Check the user is logged in.
-     *
-     * @return mixed
      */
-    public function handle(Request $request, Closure $next)
+    public function handle(Request $request, Closure $next): Response
     {
-        if (Auth::check($request->user()) == false) {
-            //they’re not logged in, so send them to login form
+        if (Auth::check() === false) {
+            // they’re not logged in, so send them to login form
             return redirect()->route('login');
         }