sandbox-kinderlandwien/sandbox/sidebar-footer-bar.php

<?php if ( is_active_sidebar('footer-bar') ) { ?>
<aside id="footer-bar" class="sidebar region footer-bar">
  <?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('footer-bar') ) : // begin secondary sidebar widgets ?>
  <?php endif; // end footer-menu sidebar widgets  ?>
</aside>
<?php } ?>