/**
* @param $key
*/
public function remove($key)
{
if (isset($this->cust_data['cart'][$key])) {
unset($this->cust_data['cart'][$key]);
// remove balance credit from session when any products removed from cart
unset($this->cust_data['used_balance']);
//if logged in customer, save cart content
if ($this->customer && ($this->customer->isLogged() || $this->customer->isUnauthCustomer())) {
$this->customer->saveCustomerCart();
}
}
}
