sum

array | sum

Returns the sum of all elements in an array.

{% assign fibonacci = '0, 1, 1, 2, 3, 5' | split: ', ' %}

{% assign fibonacci = '0, 1, 1, 2, 3, 5' | split: ', ' %}

{{ fibonacci | sum }}

Output

Sum object property values

array | sum: string

For an array of Liquid objects, you can specify a property to sum.

Total quantity of all items in cart:

Subtotal price for all items in cart:

Total quantity of all items in cart:
{{ cart.items | sum: 'quantity' }}

Subtotal price for all items in cart:
{{ cart.items | sum: 'final_line_price' | money }}

{
  "cart": {
    "items": [
      {
        "final_line_price": "22.49",
        "quantity": 1
      },
      {
        "final_line_price": "400.00",
        "quantity": 1
      }
    ]
  }
}

Output

Total quantity of all items in cart:

Subtotal price for all items in cart:

$422.49

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