FUNCTION CheckExpirationDate(value$)
Function to check if Credit Card expiration date.
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| Parameter | Description |
| value$ |
[input, string] Credit Card expiration date to be checked. |
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| Returns |
[boolean] Failure if card has expired, Warning if close to expiring or Success. |
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FUNCTION LOCAL DetermineCardType$(rawCard$)
Determine Card Type from card number.
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| Parameter | Description |
| rawCard$ |
[input, string] The unencrypted credit card number. |
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| Returns |
cardType$ [string] String value representing card type (i.e. 4 = Visa) |
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