Theme widgetfähig machen

/*
<div id="sidebar">


<?php if ( !function_exists('dynamic_sidebar')
        || !dynamic_sidebar() ) : ?>
*\




<ul id="sidebar">
<?php if ( !function_exists('dynamic_sidebar')
        || !dynamic_sidebar() ) : ?>
 <li id="about">
  <h2>About</h2>
  <p>This is my blog.</p>
 </li>
 <li id="links">
  <h2>Links</h2>
  <ul>
   <li><a href="http://example.com">Example</a></li>
  </ul>
 </li>
<?php endif; ?>
</ul>


/*
<h2 class="suche"><span class="nodisplay">Suchfunktion</span></h2>
<div class="search">
<form method="get" id="searchform" action="<?php bloginfo('home'); ?>/">
<input type="text" value="<?php echo wp_specialchars($s, 1); ?>" name="s" id="s" />
<input type="submit" id="searchsubmit" value="Suche" />
</form>
</div>
<h2 class="kat"><span class="nodisplay">Kategorie&uuml;bersicht</span></h2>
<ul>
                <?php //list_cats(0, '', 'name', 'asc', '', 1, 0, 0, 1, 1, 1, 0,'','','','','');


                wp_list_cats( 'hierarchical=1' ); ?>
</ul>


<h2 class="rssf"><span class="nodisplay">RSS-Feeds</span></h2>
<ul>
<li><a href="<?php bloginfo('rss2_url'); ?>">Letzte Einträge</a></li>
<li><a href="<?php bloginfo('comments_rss2_url'); ?>">Letzte Kommentare</a></li>
</ul>


    <h2 class="laste"><span class="nodisplay">Letzte Eintr&auml;ge</span></h2>
                 <ul>
            <?php wp_get_archives('type=postbypost&limit=12'); ?>
         </ul>




<h2 class="archiv"><span class="nodisplay">Archiv&uuml;bersicht</span></h2>
<ul>
<?php get_archives('monthly', '', 'html', '', ''); ?>
</ul>


</ul>




<?php if (function_exists('get_recent_comments')) { ?>
<h2 class="lastc"><span class="nodisplay">Letzte Kommentare aus allen Bereichen</span></h2>
<ul>
<?php get_recent_comments(); ?>
</ul>
<?php } ?>


*\


</div>

$file = dirname(dirname($themes[$theme]['Stylesheet Dir'])) . $file ;
    }
}


validate_file_to_edit($file, $allowed_files);
$scrollto = isset($_REQUEST['scrollto']) ? (int) $_REQUEST['scrollto'] : 0;
$file_show = basename( $file );


switch($action) {


case 'update':


    check_admin_referer('edit-theme_' . $file . $theme);


    $newcontent = stripslashes($_POST['newcontent']);
    $theme = urlencode($theme);
    if (is_writeable($file)) {
        //is_writable() not always reliable, check return value. see comments @ http://uk.php.net/is_writable
        $f = fopen($file, 'w+');
        if ($f !== FALSE) {
            fwrite($f, $newcontent);
            fclose($f);
            $location = "theme-editor.php?file=$file&theme=$theme&a=te&scrollto=$scrollto";
        } else {
            $location = "theme-editor.php?file=$file&theme=$theme&scrollto=$scrollto";
        }
    } else {
        $location = "theme-editor.php?file=$file&theme=$theme&scrollto=$scrollto";
    }


    $location = wp_kses_no_null($location);
    $strip = array('%0d', '%0a', '%0D', '%0A');
    $location = _deep_replace($strip, $location);
    header("Location: $location");
    exit();

<ul id="sidebar">
<?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar() ) : ?>


 <li id="about">
  <h2>About</h2>
  <p>This is my blog.</p>
 </li>
 
 <li id="links">
  <h2>Links</h2>
  <ul>
   <li><a href="http://example.com">Example</a></li>
  </ul>
 </li>
 
<?php endif; ?>
</ul>