Laravel Events and Listeners: Decouple Your Code

class OrderPlaced
{
    public function __construct(public Order $order) {}
}

class SendOrderConfirmation
{
    public function handle(OrderPlaced $event)
    {
        Mail::to($event->order->user)->send(new OrderConfirmationMail($event->order));
    }
}

OrderPlaced::dispatch($order);
event(new OrderPlaced($order));

protected $listen = [
    OrderPlaced::class => [
        SendOrderConfirmation::class,
        UpdateInventory::class,
    ],
];