array(4) { ["type"]=> string(8) "products" ["label"]=> string(8) "Subtotal" ["amount"]=> float(0) ["value"]=> string(9) "0,00 €" }
NULL
array(4) { ["type"]=> string(8) "shipping" ["label"]=> string(10) "Transporte" ["amount"]=> int(0) ["value"]=> string(6) "Gratis" }
