<?php $terms = get_terms( 'portfolio_category') ); ?>
<?php if( $terms ) { ?>
<ul class="portfolio-archives-filter clr">
<?php foreach ($terms as $term ) : ?>
<li><a href="#" data-filter=".<?php echo $term->slug; ?>"><?php echo $term->name; ?><span class="term-count">- <?php echo $term->count; ?></span></a></li>
<?php endforeach; ?>
</ul><!-- /portfolio-cats -->
<?php } ?>