<?php function threadedComments($comments, $options) {
    $commentClass = '';
    if ($comments->authorId) {
        if ($comments->authorId == $comments->ownerId) {
            $commentClass .= ' comment-by-author';
        } else {
            $commentClass .= ' comment-by-user';
        }
    }
 
    $commentLevelClass = $comments->levels > 0 ? ' comment-child' : ' comment-parent';
?>
 
<li id="li-<?php $comments->theId(); ?>" class="comment-body<?php 
if ($comments->levels > 0) {
    echo ' comment-child';
    $comments->levelsAlt(' comment-level-odd', ' comment-level-even');
} else {
    echo ' comment-parent';
}
$comments->alt(' comment-odd', ' comment-even');
echo $commentClass;
?>">
    <div id="<?php $comments->theId(); ?>">
        <div class="comment-author">
            <?php $comments->gravatar('40', ''); ?>
            <cite class="fn"><?php $comments->author(); ?></cite>
        </div>
        <div class="comment-meta">
            <a href="<?php $comments->permalink(); ?>"><?php $comments->date('Y-m-d H:i'); ?></a>
            <span class="comment-reply"><?php $comments->reply(); ?></span>
        </div>
        <?php $comments->content(); ?>
    </div>
<?php if ($comments->children) { ?>
    <div class="comment-children">
        <?php $comments->threadedComments($options); ?>
    </div>
<?php } ?>
</li>
<?php } ?>