/** * Method nodeValueAlreadyExists * @access private * @param TreeViewItem $treeview_item_object * @return boolean * @since 1.0.55 */ private function nodeValueAlreadyExists($treeview_item_object) { for ($i = 0; $i < sizeof($this->treeview_items); $i++) { if ($this->treeview_items[$i]->getValue() == $treeview_item_object->getValue()) { return true; } } return false; }