<?php
        require_once(dirname(dirname(dirname(dirname(__FILE__)))) . "/engine/start.php");
        global $CONFIG;

        $res = array('field' => get_input('field'),
            'results' => array()
        );

        if (get_input('action') == 'suggest') {

            $search = get_input('value');
            $limit = (int) get_input('limit');
            
            $users = search_for_user($search, $limit, 0, "", false);
            foreach ($users as $us) {
                $res['results'][] = array($us->guid, $us->name);
            }

        } else {
            // Do nothing
        }
        echo json_encode($res);
?>