use Illuminate\Http\Request; public function addItemToCart(Request $request, $itemId) { // Add item to user's cart // ... // Set flash message $request->session()->flash('success', 'Item added to cart'); return redirect()->back(); }
use Illuminate\Http\Request; public function showCart(Request $request) { // Get user's cart // ... // Get flash message (if set) $successMessage = $request->session()->get('success'); return view('cart', ['cart' => $cart, 'successMessage' => $successMessage]); }Package library: Laravel Framework (Illuminate)