Closed jkshapiro closed 9 years ago
The last digit in most major cards is a check digit (using the LUHN formula, see http://web.eecs.umich.edu/~bartlett/credit_card_number.html). It'd be great if this library included a validity check on the CC#.
I'd be willing to add this feature. I'll fork it.
The last digit in most major cards is a check digit (using the LUHN formula, see http://web.eecs.umich.edu/~bartlett/credit_card_number.html). It'd be great if this library included a validity check on the CC#.