The 3:00 AM Whisper of addcart.php
Use Cases for AddCartPHP
Why high quality? This uses FILTER_VALIDATE_INT (not intval()), which distinguishes between 0, null, and false. It rejects decimals, strings, and empty values explicitly. addcartphp num high quality
// Quantity validation: ensure num is between 1 and a reasonable max (e.g., 999) if ($requested_num === false || $requested_num === null) $requested_num = 1; // default The 3:00 AM Whisper of addcart