Three separate line items for the same boot. Quantity: 1. Three times.
He closed the file. He'd fix add-cart.php tomorrow. add-cart.php num
He pulled up the session data. User ID: gh0st_walk3r . Cart contents: 1x DRN-7X (size 11). Then the log showed the pattern: add, add, add. The PHP script was supposed to increment quantity. But this user was triggering a race condition—three identical requests arriving before the first one finished writing to the database. Three separate line items for the same boot