Promo code / Coupon Code Generator

PHP Code for promo/coupon code generator



<?php
$chars = array (0,1,2,3,4,5,6,7,8,9,'A', 'B', 'C', 'D', 'E', 'F', 'G','H', 'I', 'J', 'K', 'L', 'M', 'N', '0', 'P','Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');
$code = '';
$letter="10";
for ($i = 0; $i < $letter; $i++) { $code .= $chars[rand(0, count($chars) - 1)];}
echo $code;
?>