Addcartphp Num High Quality -

// Retrieve and validate the numeric quantity 'num' $num = filter_input(INPUT_POST, 'num', FILTER_VALIDATE_INT); $product_id = filter_input(INPUT_POST, 'product_id', FILTER_VALIDATE_INT);

$ip = $_SERVER['REMOTE_ADDR']; $key = "addcart_limit_$ip"; $requests = apcu_fetch($key) ?: 0; if ($requests > 10) // max 10 requests per minute die(json_encode(['error' => 'Too many add-to-cart attempts']));

// Re-check stock against new total if ($new_quantity > $product['stock_quantity']) die(json_encode(['error' => 'Cannot add. Total would exceed stock.'])); addcartphp num high quality

// Validate product exists and has sufficient stock // ... proceed

$num = filter_input(INPUT_POST, 'num', FILTER_VALIDATE_FLOAT); if ($num === false || $num <= 0) die('Invalid quantity'); // Retrieve and validate the numeric quantity 'num'

const response = await fetch('add_to_cart.php', method: 'POST', headers: 'Content-Type': 'application/x-www-form-urlencoded' , body: `product_id=123&num=$num&csrf_token=$csrfToken` ); const result = await response.json(); if (result.success) updateCartUI(result.cart_count); else alert(result.error);

public function testAddToCartWithInvalidStringNum() $product_id = filter_input(INPUT_POST

<input type="number" id="quantity" name="num" min="1" max="99" step="1" value="1"> <button id="add-to-cart">Add to Cart</button> <script> document.getElementById('add-to-cart').addEventListener('click', async () => num > 99) alert('Please enter a quantity between 1 and 99'); return;