<?php

// vars
$urls = get_field('menusidebar');

// check
if( $urls ): ?>
<div class="col-sm-3 sidebar1">
<h3>Further reading</h3>
<ul class="ul1">
    <?php foreach( $urls as $url ): ?>
    <li>
        <a href="<?php echo $url ?>"><?php echo $url; ?></a>
    </li>
    <?php endforeach; ?>
</ul>
<?php endif; ?>



</div>