Mine

<?phpif($_REQUEST['page'] == '') { $page = 'main'; }else { $page = $_REQUEST['page']; }$page = str_replace('..', '', $page);if(file_exists('content/'.$page)) { $content = file_get_contents('content/'.$page);$titles = file('titles.db');foreach($titles as $key) {$fields = explode("\t", $key);if($fields[0] == $page) { $title = $fields[1]; }}}else { header("HTTP/1.0 404 Not Found"); $title = "Not Found"; $content = file_get_contents('content/404'); }?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"            "http://www.w3.org/TR/html4/strict.dtd"><html><head><title><?php echo $title ?></title><link rel="stylesheet" type="text/css" href="style.css"></head><body><?phpinclude('head.php');include('links.php');echo $content;include('footer.php');?></body></html>