system/config/credit_cards.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Credit card validation configuration.
   4  *
   5  * Options for each credit card:
   6  *  length - All the allowed card number lengths, in a comma separated string
   7  *  prefix - The digits the card needs to start with, in regex format
   8  *  luhn   - Enable or disable card number validation by the Luhn algorithm
   9  */
  10 $config = array
  11 (
  12         'default' => array
  13         (
  14                 'length' => '13,14,15,16,17,18,19',
  15                 'prefix' => '',
  16                 'luhn'   => TRUE
  17         ),
  18         'american express' => array
  19         (
  20                 'length' => '15',
  21                 'prefix' => '3[47]',
  22                 'luhn'   => TRUE
  23         ),
  24         'diners club' => array
  25         (
  26                 'length' => '14,16',
  27                 'prefix' => '36|55|30[0-5]',
  28                 'luhn'   => TRUE
  29         ),
  30         'discover' => array
  31         (
  32                 'length' => '16',
  33                 'prefix' => '6(?:5|011)',
  34                 'luhn'   => TRUE,
  35         ),
  36         'jcb' => array
  37         (
  38                 'length' => '15,16',
  39                 'prefix' => '3|1800|2131',
  40                 'luhn'   => TRUE
  41         ),
  42         'maestro' => array
  43         (
  44                 'length' => '16,18',
  45                 'prefix' => '50(?:20|38)|6(?:304|759)',
  46                 'luhn'   => TRUE
  47         ),
  48         'mastercard' => array
  49         (
  50                 'length' => '16',
  51                 'prefix' => '5[1-5]',
  52                 'luhn'   => TRUE
  53         ),
  54         'visa' => array
  55         (
  56                 'length' => '13,16',
  57                 'prefix' => '4',
  58                 'luhn'   => TRUE
  59         ),
  60 );