ubermaniac

<?php

// -- Only one caveat : The results must be ordered so that an item's parent will be processed first.

// -- Simulate a DB result
$results = array();
$results[] = array('id' => 'a', 'parent' => '',  'name' => 'Johnny');
$results[] = array('id' => 'b', 'parent' => 'a', 'name' => 'Bobby');
$results[] = array('id' => 'c', 'parent' => 'b', 'name' => 'Marky');
$results[] = array('id' => 'd', 'parent' => 'a', 'name' => 'Ricky');