PHP Coupon::try_get_coupon_by_code Examples

Example #1

File: Coupon.php Project: pingwangcs/51zhaohu

 private static function genCode($length = 4)
 {
     $count = 0;
     while ($count < COUPON_CODE_TRIES) {
         $code = substr(str_shuffle("0123456789abcdefghijklmnopqrstuvwxyz"), 0, $length);
         if (!Coupon::try_get_coupon_by_code($code)) {
             return $code;
         }
     }
     return null;
 }