Flat PHP Array to Hierarchy Tree

Question

I have an array with the following keys

id   
parent_id
name

A sample array:

array(7) {
  [0]=>
  array(3) {
    [\"id\"         


        

Answer 1

You can use FlatToTreeConverter class from Gears helper library:

 $row) {
            $indexed[$row[$parentIdKey]][$childNodesField][$id] = &$indexed[$id];
            if (!$row[$parentIdKey]) {
                $root[$id] = &$indexed[$id];
            }
        }
        return $root;
    }
}