}
} else {
if ($action == 'clear') {
$key = isset($key) ? trim($key) : '';
if (preg_match("/^[0-9]{1,}-[0-9]{1,}-[0-9]{1,}-[0-9]{1,}\$/", $key)) {
$cart = str_replace(',' . $key . ',', ',', $cart . ',');
if (substr($cart, -1) == ',') {
$cart = substr($cart, 0, -1);
}
$do->set($cart);
if (isset($ajax)) {
exit('1');
}
message('', 'cart.php?tm=' . $DT_TIME);
} else {
$do->del();
message('', 'cart.php?tm=' . $DT_TIME);
}
} else {
$reset = false;
if ($itemid) {
if (is_array($itemid)) {
foreach ($itemid as $id) {
$id = intval($id);
$id = $id . '-0-0-0';
if (strpos($cart . ',', ',' . $id . ',') === false) {
$reset = true;
$cart = ',' . $id . $cart;
}
}
} else {
