You appear to be a bot. Output may be restricted

Description

Given a number and algorithem, determine if we have a valid credit card format

Usage

$bool = edd_validate_card_number_format( $number );

Parameters

$number

( integer ) optional – The Credit Card Number to validate

Returns

bool If the card number provided matches a specific format of a valid card

Source

File name: easy-digital-downloads/includes/checkout/functions.php
Lines:

function edd_validate_card_number_format( $number = 0 ) {

  $number = trim( $number );
  if ( empty( $number ) ) {
    return false;
  }

  if ( ! is_numeric( $number ) ) {
    return false;
  }

  $is_valid_format = false;

  // First check if it passes with the passed method, Luhn by default
  $is_valid_format = edd_validate_card_number_format_luhn( $number );

  // Run additional checks before we start the regexing and looping by type
  $is_valid_format = apply_filters( 'edd_valiate_card_format_pre_type', $is_valid_format, $number );

  if ( true === $is_valid_format ) {
    // We've passed our method check, onto card specific checks
    $card_type       = edd_detect_cc_type( $number );
    $is_valid_format = ! empty( $card_type ) ? true : false;
  }

  return apply_filters( 'edd_cc_is_valid_format', $is_valid_format, $number );
}
 

 View on GitHub View on Trac