<name><?php the_author() ?></name>
<?php $author_url = get_the_author_meta('url'); if ( !empty($author_url) ) : ?>
<uri><?php the_author_meta('url')?></uri>
<name><?php the_author() ?></name>
<?php $author_url = get_the_author_meta('url'); if ( !empty($author_url) ) : ?>
<uri><?php the_author_meta('url')?></uri>