File Source for refresh.php

<?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
*/
/**
* refresh_search_index
*/
function refresh_search_index() {
global $gBitSystem;
// first write close the session. refreshing can take a huge amount of time
session_write_close();
// check if we have to run. Run every n-th click:
global $search_refresh_rate, $gBitSystem;
//$search_refresh_rate=1; //debug
list($usec, $sec) = explode(" ",microtime());
srand (ceil($sec+100*$usec));
if(rand(1,$search_refresh_rate)==1) {
require_once('refresh_functions.php');
// get a random location
$locs=array();
if( $gBitSystem->isPackageActive( 'wiki' ) ) {
// if wiki is active, let's always refresh
random_refresh_index("wiki");
}
if( $gBitSystem->isPackageActive( 'articles' ) ) {
$locs[''] = ARTICLES_PKG_NAME;
}
if( $gBitSystem->isPackageActive( 'blogs' ) ) {
// if blogs is active, let's always refresh
random_refresh_index("blogs");
$locs['random_refresh_index']="blog_posts";
}
// comments can be everywhere?
$locs['random_refresh_index'] = "comments";
// some refreshes to enhance the refreshing stats
$locs['refresh_index_oldest'] = "";
$key = array_rand( $locs );
// random refresh
// hack around php database driver issues when a different database from bitweaver is accessed elsewhere during page render
// this happens in the phpBB package when phpBB is in a different db from bitweaver in MySQL
// This only works on some databases
global $gBitSystem, $gBitDbName;
$gBitSystem->mDb->mDb->SelectDB( $gBitDbName );
if ( !empty ($key) )
call_user_func( $key, $locs[$key] );
}
}
?>

Source for file refresh.php