title: Access sub-menu description in end_lvl (Wordpress Walker_Nav_Menu)
body: <p>I'm currently working on a custom WordPress sub-menu; I added some custom html code to it using Walker_Nav_Menu.</p>
  
  <p>I want to access the fields <code>description</code> and <code>attr_title</code> inside the method <code>end_lvl</code>. Is that possible?</p>
  
  <p>Same as this but in <code>end_level</code>:
  <a href="https://stackoverflow.com/questions/28876273/how-can-i-display-the-parent-menu-items-description-using-wordpress-walkers">How can I display the parent menu item&#39;s description using Wordpress walkers?</a></p>
  
  <pre><code>class BENZ_Walker_Nav_Menu_ACC extends Walker_Nav_Menu {
      function end_lvl(&amp;$output, $depth = 0, $args = NULL) {
          if( 0 == $depth ) {
              $output .= sprintf('
              &lt;div class="sub-menu-bottom-section"&gt;
                  &lt;span class="sub-menu-title"&gt;%s&lt;/span&gt;
                  &lt;p class="sub-menu-under-title"&gt;%s&lt;/p&gt;
              &lt;/div&gt;', title, description);
          }
          $indent = str_repeat( "\t", $depth );
          $output .= "{$indent}&lt;/ul&gt;\n";
      } 
  }
  </code></pre>