Showing List of recently Created blogs on wordpress Mu

<?php
/*Fetch an array of $number_blogs most recently created blogs
**@number_blogs :The number of most recently created blogs you want to show.
*/
function get_recent_blogs($number_blogs=5)
{
  global $wpdb;
  $blog_table=$wpdb->blogs;
/*fetch blog_id,domain,path from wp_blogs table ,where the blog is not spam,deleted or archived order by the date and time of registration */
  $query="select blog_id,domain,path from $blog_table where public='1' and archived='0' and spam='0' and deleted='0' order by registered desc limit 0,$number_blogs";
 
  $recent_blogs=$wpdb->get_results($wpdb->prepare($query));
 
return $recent_blogs;
 
 }
?>

<ul class="recent-blogs">
<?php $recent_blogs=get_recent_blogs(5);
	foreach($recent_blogs as $recent_blog):
		$blog_url="";
		if( defined( "VHOST" ) && constant( "VHOST" ) == 'yes' )
			$blog_url="http://".$recent_blog->domain.$recent_blog->path;
		else
		$blog_url="http://".$recent_blog->domain.$recent_blog->path;
	$blog_name=get_blog_option($recent_blog->blog_id,"blogname");
	?>
<li>
<h3><a href="<?php echo $blog_url;?>"><?php _e( $blog_name)?> </a></h3>
<span><?php echo $blog_name?></span>
</li>
<?php endforeach;?>
</ul>

<?php
function show_recent_blogs($number_blogs=5,$description=true)
?>

<ul class="recent-blogs">
<?php
/*here first argument is the number of blogs you want to show */
 
show_recent_blogs(5,false);
?>
</ul>