Update Session object item Laravel

Question

I have a cart session in laravel that looks like below:

{
  "5c10d896edd57": {
    "quantity": "3",
    "price": "20.0",
    "dishId": "39508",
  },
  "5c10d8b55f34e": {
    "quantity": "3",
    "price": "389.0",
    "dishId": "39510",
  }
}

I want to update the quantity if same dishId is added again for this I have wrote this code

$previous_cartData = session('cart');
if(!empty($previous_cartData)){
    foreach ($previous_cartData as $key => $p_cart) {
        if($p_cart->dishId == $cart->dishId){
            $update_cart['quantity']= $p_cart->dishId+$cart->quantity;
            $request->session()->put('cart.'.$key, $update_cart);
        }else{
            $request->session()->put('cart.'.uniqid(), $cart);
        }
    }
}

But unfortunately it replaces the whole object like this:

{
  "5c10d896edd57": {
    "quantity": "4"
  },
  "5c10d8b55f34e": {
    "quantity": "3",
    "price": "389.0",
    "dishId": "39510",
  }
}

I only want to update the quantity without changing other keys

Paul T. Rawkeen · Accepted Answer · 2018-12-12 10:37:15Z

1

Thats because $update_cart doesn't hold any other values but 'quantity'.

Try something like this:

$previous_cartData = session('cart');
if(!empty($previous_cartData)){
    foreach ($previous_cartData as $key => $p_cart) {
        if($p_cart->dishId == $cart->dishId){
            $update_cart = $p_cart;
            $update_cart['quantity']= $p_cart->dishId+$cart->quantity;
            $request->session()->put('cart.'.$key, $update_cart);
        }else{
            $request->session()->put('cart.'.uniqid(), $cart);
        }
    }
}

edited Dec 12, 2018 at 10:37

Paul T. Rawkeen

4,1133 gold badges38 silver badges53 bronze badges

answered Dec 12, 2018 at 10:33

Cody604

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