In this example I've created a select from a tree-structured database table, our portfolio_categories table.
Below are the dumps of some PHP variables - submit the form to see the changes!
Contents of the $_POST array:
$_POST = array (
)
Results of a $clonefish->getElementValues() call: array ( 'writerid' => NULL, 'id' => 'selectdynamic_single_tree', )