function addOrderToSession($productid, $ingredients)
{
$product = getProduct($productid);
if ($product == null) {
return;
}
if ($product['price'] == 0 && (count($ingredients) == 0 || @trim($ingredients[0]) == '')) {
global $lang;
echo $lang->get('without_ingredients_not_addable');
return;
}
// Check if the same product is already in the cart
$allreadythere = -1;
if (isset($_SESSION['catering'])) {
for ($i = 0; $i < count($_SESSION['catering']['order']['products']); $i++) {
// Check if the product is the same
if ($_SESSION['catering']['order']['products'][$i]['productid'] == $productid) {
// If it has ingredients
if (count($ingredients) > 0 && $ingredients[0] != "") {
// Compare the number of ingredients
if (count($_SESSION['catering']['order']['products'][$i]['ingredients']) == count($ingredients)) {
$allreadythere = $i;
foreach ($ingredients as $ingredient) {
if (!in_array($ingredient, $_SESSION['catering']['order']['products'][$i]['ingredients'])) {
$allreadythere = -1;
}
}
if ($allreadythere != -1) {
break 1;
}
}
} else {
$allreadythere = $i;
}
}
}
}
if ($allreadythere != -1) {
updateOrderQuantityInSession($allreadythere, $_SESSION['catering']['order']['products'][$allreadythere]['quantity'] + 1);
} else {
$newproduct = array();
$newproduct['productid'] = $productid;
if (count($ingredients) != 0 && $ingredients[0] != "") {
$newproduct['ingredients'] = $ingredients;
}
$newproduct['quantity'] = 1;
$_SESSION['catering']['order']['products'][] = $newproduct;
}
}
<?php
$lang->addModSpecificLocalization('catering');
$smarty->assign('lang', $lang->getAll());
$index = (int) $_GET['index'];
$quantity = (int) $_GET['quantity'];
require_once 'mod/default/catering/catering.function.php';
updateOrderQuantityInSession($index, $quantity);
$smarty->assign('cart', getOrderFromSession());
$smarty->assign('submit_order', $lang->get('submit_order'));
$smarty->display('../mod/default/catering/cart.tpl');