function _uc_credit_valid_card_issue in Ubercart 7.3

Validates an issue number on a card; returns TRUE or FALSE.

Parameters

string $issue: The issue number.

Return value

bool TRUE if the issue number if valid, FALSE otherwise.

2 calls to _uc_credit_valid_card_issue()

uc_payment_method_credit in payment/uc_credit/uc_credit.module

Callback function for the Credit Card payment method.

uc_payment_method_credit_form in payment/uc_credit/uc_credit.module

Displays the credit card details form on the checkout screen.

File

payment/uc_credit/uc_credit.module, line 934

Defines the credit card payment method and hooks in payment gateways.

Code

function _uc_credit_valid_card_issue($issue) {
  if (empty($issue) || is_numeric($issue) && $issue > 0) {
    return TRUE;
  }
  return FALSE;
}