<style type="text/css">
    .subsubsub li+li:before {content:'| ';}
</style>
<div id="CMPOPFLY_admin_nav">
<ul class="subsubsub">
    <?php 
    foreach ($submenus as $menu): ?>
    <li><a href="<?php echo esc_attr($menu['link']); ?>" <?php echo ($menu['current'])?'class="current"':''; ?>><?php echo esc_html($menu['title']); ?></a></li>
    <?php endforeach; ?>
</ul>
<br class="clear" />
</div>