^ array:4 [
  "products" => array:4 [
    "type" => "products"
    "label" => "Subtotal"
    "amount" => 18.9
    "value" => "£18.90"
  ]
  "discounts" => null
  "shipping" => array:4 [
    "type" => "shipping"
    "label" => "Shipping"
    "amount" => 11.0
    "value" => "£11.00"
  ]
  "tax" => array:4 [
    "type" => "tax"
    "label" => "Included taxes"
    "amount" => 3.15
    "value" => "£3.15"
  ]
]