public static function removeVendorTicket($vendorId, $ticketId, $unitId, $sectionId)
{
$db = Factory::getDBO();
$query = ' DELETE FROM #__phocacart_cart_multiple' . ' WHERE vendor_id = ' . (int) $vendorId . ' AND ticket_id = ' . (int) $ticketId . ' AND unit_id = ' . (int) $unitId . ' AND section_id = ' . (int) $sectionId;
$db->setQuery($query);
$db->execute();
return true;
}