File Source for directory

<?php
/**
* $Header$
*
* @copyright (c) 2004 bitweaver.org
* Copyright (c) 2003 tikwiki.org
* Copyright (c) 2002-2003, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
* All Rights Reserved. See below for details and a complete list of authors.
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See http://www.gnu.org/copyleft/lesser.html for details
*
* $Id$
* @author Luis Argerich (lrargerich@yahoo.com)
* @package search
* @subpackage functions
*/
/**
* required setup
*/
require_once( '../kernel/setup_inc.php' );
include_once( DIRECTORY_PKG_PATH.'dir_lib.php' );
$gBitSystem->verifyFeature( 'feature_directory' );
$gBitSystem->verifyPermission( 'bit_p_view_directory' );
$gBitSmarty->assign('words', $_REQUEST['words']);
$gBitSmarty->assign('where', $_REQUEST['where']);
$gBitSmarty->assign('how', $_REQUEST['how']);
if ( empty( $_REQUEST["sort_mode"] ) ) {
$sort_mode = 'hits_desc';
} else {
$sort_mode = $_REQUEST["sort_mode"];
}
$gBitSmarty->assign_by_ref('sort_mode', $sort_mode);
if (!isset($_REQUEST["offset"])) {
$offset = 0;
} else {
$offset = $_REQUEST["offset"];
}
if (isset($_REQUEST['page'])) {
$page = &$_REQUEST['page'];
$offset = ($page - 1) * $max_records;
}
$gBitSmarty->assign_by_ref('offset', $offset);
if (isset($_REQUEST["find"])) {
$find = $_REQUEST["find"];
} else {
$find = '';
}
$gBitSmarty->assign('find', $find);
if ($_REQUEST['where'] == 'all') {
$items = $dirlib->dir_search($_REQUEST['words'], $_REQUEST['how'], $offset, $max_records, $sort_mode);
} else {
$items = $dirlib->dir_search_cat($_REQUEST['parent'], $_REQUEST['words'], $_REQUEST['how'], $offset, $max_records, $sort_mode);
}
$cant_pages = ceil($items["cant"] / $max_records);
$gBitSmarty->assign_by_ref('cant_pages', $cant_pages);
$gBitSmarty->assign('actual_page', 1 + ($offset / $max_records));
if ($items["cant"] > ($offset + $max_records)) {
$gBitSmarty->assign('next_offset', $offset + $max_records);
} else {
$gBitSmarty->assign('next_offset', -1);
}
if ($offset > 0) {
$gBitSmarty->assign('prev_offset', $offset - $max_records);
} else {
$gBitSmarty->assign('prev_offset', -1);
}
$gBitSmarty->assign_by_ref('items', $items["data"]);
$section = 'directory';
// Display the template
$gBitSystem->display( 'bitpackage:search/directory_search.tpl', NULL, array( 'display_mode' => 'display' ));
?>

Source for file directory_search.php