File Source for wiki

<?php
/**
* 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
*
* @package wiki
* @subpackage functions
*/
/**
* required setup
*/
include_once( '../kernel/setup_inc.php' );
include_once( WIKI_PKG_PATH.'BitPage.php');
include_once( WIKI_PKG_PATH.'lookup_page_inc.php');
include_once( 'Image/GraphViz.php' );
$graph = new Image_GraphViz();
$params = array(
'graph' => $gBitThemes->getGraphvizGraphAttributes( $_REQUEST ),
'node' => $gBitThemes->getGraphvizNodeAttributes( $_REQUEST ),
'edge' => $gBitThemes->getGraphvizEdgeAttributes( $_REQUEST ),
);
$linkStructure = $gContent->getLinkStructure( $gContent->mPageName, !empty( $_REQUEST['level'] ) ? $_REQUEST['level'] : 0 );
$gContent->linkStructureGraph( $linkStructure, $params, $graph );
$graph->image( 'png' );
?>

Source for file wiki_graph.php