De controle van de syntaxis:
$mysqlqry =
De „UPDATE bookings_items PLAATSTE desc_en =“.
„(UITGEZOCHTE CONCAT („#“, prty_id, „: “, property.prty_title) VAN bezit „.
„WAAR bookings_items.id_ref_external = property.prty_id)“.
„WAAR id_ref_external = $_POST [new_id]“;