PayPal: Choosing multiple items with quantities
问题 I have made a PayPal form where I wish to sell multiple items and quantities (see screenshot). However when I use the code similar to the one written below I get a error if some of the items haven't been selected (quantity=0). The error says "A quantity value must be an integer greater than or equal to one." But I can't figure out how I could make the form behave like I want if I can't have some items with the quantity of 0. Does anyone have a solution that fits my needs? I wouldn't like to