<?php $API = new PerchAPI('categories', 1.0); $HTML = $API->get('HTML'); $Sets = new PerchCategories_Sets(); $Categories = new PerchCategories_Categories(); $setID = false; $Set = false; if (isset($_GET['id']) && $_GET['id'] != '') { $setID = (int) $_GET['id']; $Set = $Sets->find($setID); } if ($setID == false) { PerchUtil::redirect(PERCH_LOGINPATH . '/core/apps/categories/'); } $cats = $Categories->get_tree($setID);