/** * Formats (masks) a credit card. * * @param string the unformatted credit card number to format * @param string the format to use, defaults to '**** **** **** 0000' * * @see mask_string */ function mask_credit_card($string, $format = '**** **** **** 0000') { return mask_string($string, $format); }
function mask_credit_card($string, $format = null) { is_null($format) and $format = setting('formatting.credit_card', '**** **** **** 0000'); return mask_string($string, $format); }