<?php
$tags = wp_get_post_terms(get_the_ID(), 'portfolio-tag');
$tag_names = array();

if(is_array($tags) && count($tags)) :
    foreach($tags as $tag) {
        $tag_names[] = $tag->name;
    }
    ?>
    <div class="edgtf-portfolio-info-item edgtf-portfolio-tags">
        <p class="edgtf-portfolio-info-title"><?php esc_html_e('Tags:', 'conall'); ?></p>
        <p><?php echo esc_html(implode(', ', $tag_names)); ?></p>
    </div>
<?php endif; ?>