<?php
/* -----------------------------------------------------------------------------------------
$Id: create_coupon_code.inc.php 899 2005-04-29 02:40:57Z hhgag $
XT-Commerce - community made shopping
http://www.xt-commerce.com
Copyright (c) 2003 XT-Commerce
-----------------------------------------------------------------------------------------
based on:
(c) 2000-2001 The Exchange Project (earlier name of osCommerce)
(c) 2002-2003 osCommerce(application_top.php,v 1.273 2003/05/19); www.oscommerce.com
(c) 2003 nextcommerce (application_top.php,v 1.54 2003/08/25); www.nextcommerce.org
Released under the GNU General Public License
-----------------------------------------------------------------------------------------
Third Party contribution:
Credit Class/Gift Vouchers/Discount Coupons (Version 5.10)
http://www.oscommerce.com/community/contributions,282
Copyright (c) Strider | Strider@oscworks.com
Copyright (c Nick Stanko of UkiDev.com, nick@ukidev.com
Copyright (c) Andre ambidex@gmx.net
Copyright (c) 2001,2002 Ian C Wilson http://www.phesis.org
Released under the GNU General Public License
---------------------------------------------------------------------------------------*/
// Create a Coupon Code. length may be between 1 and 16 Characters
// $salt needs some thought.
function create_coupon_code($salt="secret", $length = SECURITY_CODE_LENGTH) {
$ccid = md5(uniqid("","salt"));
$ccid .= md5(uniqid("","salt"));
$ccid .= md5(uniqid("","salt"));
$ccid .= md5(uniqid("","salt"));
srand((double)microtime()*1000000); // seed the random number generator
$random_start = @rand(0, (128-$length));
$good_result = 0;
while ($good_result == 0) {
$id1=substr($ccid, $random_start,$length);
$query = xtc_db_query("select coupon_code from " . TABLE_COUPONS . " where coupon_code = '" . $id1 . "'");
if (xtc_db_num_rows($query) == 0) $good_result = 1;
}
return $id1;
}
?>