$v) {
if (strpos($k, 'quantity') !== false && is_numeric($v)) {
$id = str_replace('quantity-', '', $k);
// abs() function will prevent minus quantity and (int) will ensure the value is an integer (number)
$quantity = abs((int)$v);
// Always do checks and validation
if (is_numeric($id) && isset($_SESSION['cart'][$id]) && $quantity > 0) {
// Update new quantity
$_SESSION['cart'][$id]['quantity'] = $quantity;
}
}
}
// Send the user to the place order page if they click the Place Order button, also the cart should not be empty
if (isset($_POST['checkout']) && !empty($_SESSION['cart'])) {
header('Location: ' . url('index.php?page=checkout'));
exit;
}
header('Location: ' . url('index.php?page=cart'));
exit;
}
// Check if accessoiries are added
if (isset($_POST['accessoiries'])){
$options = '';
$quantity = 1;
$cart_product = &get_cart_product($_POST['add_product_id'], $options);
if ($cart_product) {
// Product exists in cart, update the quanity
$cart_product['quantity'] += $quantity;
} else {
// Product is not in cart, add it
$_SESSION['cart'][] = [
'id' => $_POST['add_product_id'],
'quantity' => $quantity,
'options' => $options,
'options_price' => $_POST['add_product_price'],
'options_weight' => $_POST['add_product_weight'],
'shipping_price' => 0.00
];
}
}
// Check if samples are added
if (isset($_POST['samples'])){
$options = $h2_cart_sample_product;
$quantity = 1;
$cart_product = &get_cart_product($_POST['add_product_id'], $options);
if ($cart_product) {
// Do no nothing
} else {
//remove existing product from CART
foreach ($_SESSION['cart'] as $num => $product){
if ($product['options'] == $h2_cart_sample_product && !empty(category_id_checkout_samples)){
array_splice($_SESSION['cart'], $num, 1);
}
}
//ADD Product to the chart
$_SESSION['cart'][] = [
'id' => $_POST['add_product_id'],
'quantity' => $quantity,
'options' => $options,
'options_price' => $_POST['add_product_price'],
'options_weight' => $_POST['add_product_weight'],
'shipping_price' => 0.00
];
}
}
// Check the session variable for products in cart
$products_in_cart = isset($_SESSION['cart']) ? $_SESSION['cart'] : [];
$subtotal = 0.00;
// If there are products in cart
if ($products_in_cart) {
// There are products in the cart so we need to select those products from the database
// Products in cart array to question mark string array, we need the SQL statement to include: IN (?,?,?,...etc)
$array_to_question_marks = implode(',', array_fill(0, count($products_in_cart), '?'));
// Prepare SQL statement
// $stmt = $pdo->prepare('SELECT p.id, pc.category_id, p.* FROM products p LEFT JOIN products_categories pc ON p.id = pc.product_id LEFT JOIN categories c ON c.id = pc.category_id WHERE p.id IN (' . $array_to_question_marks . ') GROUP BY p.id');
$stmt = $pdo->prepare('SELECT p.*, (SELECT m.full_path FROM products_media pm JOIN media m ON m.id = pm.media_id WHERE pm.product_id = p.id ORDER BY pm.position ASC LIMIT 1) AS img FROM products p WHERE p.id IN (' . $array_to_question_marks . ')');
// Leverage the array_column function to retrieve only the id's of the products
$stmt->execute(array_column($products_in_cart, 'id'));
// Fetch the products from the database and return the result as an Array
$products = $stmt->fetchAll(PDO::FETCH_ASSOC);
// Iterate the products in cart and add the meta data (product name, desc, etc)
foreach ($products_in_cart as &$cart_product) {
foreach ($products as $product) {
if ($cart_product['id'] == $product['id']) {
$cart_product['meta'] = $product;
// Calculate the subtotal
$subtotal += (float)$cart_product['options_price'] * (int)$cart_product['quantity'];
}
}
}
}
?>