How i can set JTable property too null and save it
my code so far w/o succes:
$table = JTable::getInstance($type='detalegrupy', $prefix='FootsalTable', $config = array());
$table->load($id);
$table->promotion = NULL;
$id_group = $table->id_group;
$table->store();
or how to restore it to it’s default value.
i found answer for it,
done the work.
sorry for spam