cross-solution / YAWIK

     * @return string item value prepended with all parent values except root node.

     * @todo This code is currently duplicated in \Core\Form\Tree\Select.

     */

    private function getItemValue(NodeInterface $item)

    {

        $parts = [ $item->getValue() ];

        while ($item = $item->getParent()) {

            $parts[] = $item->getValue();

        }

        array_pop($parts); // No root node.

        $parts = array_reverse($parts);

        $value = join('-', $parts);

        return $value;

    }

}

     *

     * @return string item value prepended with all parent values except root node.

     */

    private function getItemValue(NodeInterface $item)

    {

        $parts = [ $item->getValue() ];

        while ($item = $item->getParent()) {

            $parts[] = $item->getValue();

        }

        array_pop($parts); // No root node.

        $parts = array_reverse($parts);

        $value = join('-', $parts);

        return $value;

    }

    /**

     * Find a leaf with a concrete value in the tree.