delete an array in list array in laravel session

Question

I have a session to save cart info in laravel like this:

$item = [
          'id' => 1,
          'product_id' => 11
        ];

$item2 = [
          'id' => 2,
          'product_id' => 22
        ];
        \Session::push('cart', $item); 
        \Session::push('cart', $item2);

Now I want delete an Item in array for $id=1:

foreach(\Session::get('cart') as $cart)
{
    if($id==$cart['id'])
    {
       echo 'done';
       \Session::forget('cart.' . $i);
    }
    $i++;
}

It print done but it can not delete that item in list.

what is my wrong?

also I try \Session::pull('card.id', $id);

EDIT

with dd(\Session::get('cart'))

array:4 [▼
  2 => array:5 [▼
    "id" => 1
    "product_id" => "11"
  ]
  3 => array:5 [▶]
  4 => array:5 [▶]
  5 => array:5 [▶]
]

So I try change the code to this:

foreach(\Session::get('cart') as $key->$cart)
{
    if($id==$cart['id'])
    {
       \Session::forget('cart.' . $key);
    }
}

But It can not delete too

Tim Lewis · Accepted Answer · 2018-03-19 18:09:04Z

1

I'm pretty sure that cart.{$id} is not a session key, as you're only explicitly setting cart, which is an array. This should work for you instead:

$id = 1; // set from request, etc.
$cartSession = session()->get("cart");
foreach($cartSession AS $index => $cart){
  if($index == $id){
    unset($cartSession[$index]);
  }
}
session()->put("cart", $cartSession);

Essentially, you pull the session to a variable (array), loop that and unset where $index matches $id, then set the remaining array back as "cart".

Note: I'm using session() instead of \Session, which is just Facade vs global function; shouldn't make a difference on which you use, unless below a certain Laravel version (< 5.0 I believe)

answered Mar 19, 2018 at 18:09

Tim Lewis

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2 Comments

Areza Over a year ago

with change to this: if($id==$cart['id']), your code works. thanks.

Tim Lewis Over a year ago

Sorry; disappeared there (software update), was gonna say I probably missed the comparison requirement. But regardless, glad I could help!

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