universal_categories; if (!empty($categories)) { if (!is_array($categories)) { $categories = array($categories); } foreach($categories as $category) { $link = elgg_get_site_url() . 'pg/categories/list/?category=' . urlencode($category); if (!empty($linkstr)) { $linkstr .= ', '; } $linkstr .= '' . $category . ''; } } } echo $linkstr;