Enable WordPress Logo Upload, Title And Description Option

<?php global $data; ?>
<?php if($data['logo_uploader']): ?>
<a href="<?php bloginfo( 'home' ); ?>">
<img src="<?php echo $data['logo_uploader']; ?>" alt=""/>
</a>
<?php else: ?>  
<h1>
<a href="<?php echo home_url(); ?>/" title="<?php bloginfo( 'name' ); ?>" rel="home">
<?php bloginfo( 'name' ); ?>
</a>
</h1>
<div id="site-description"><p><?php bloginfo('description'); ?></p></div>
<?php endif; ?>