Ensure your coupons table includes strict validation fields to prevent reuse or expiration bypass. : Unique string (e.g., SAVE20 ). type : fixed or percentage . status : 1 for active, 0 for inactive. expiry_date : Use DATETIME for precise expiration.
: Ensure the current usage count is less than the usage_limit . phpgurukul coupon code patched
In some instances, entering a specific string or an empty value would bypass the if-else logic that checked for a valid coupon. Why the "Patched" Update is Critical code Ensure your coupons table includes strict validation