bid);
$toc = '
' . t('Table of contents') . '
';
$toc .= build_book_toc($children, $node->bid);
$toc .= '
';
return $toc;
}
/**
* This is a helper function for theme_book_toc().
*/
function build_book_toc($children, $nid = 0) {
if ($children[$nid]) {
$toc = '';
foreach ($children[$nid] as $node) {
$toc .= '- '. l($node->title , 'node/'.$node->nid). '
';
$toc .= build_book_toc($children,$node->nid);
}
$toc .= '
';
}
return $toc;
}