$output .= '<li class="reset current-cat"><a class="all" data-rel="*" href="#">'. esc_html($translate['all']) .'</a></li>';

                                if ($categories = get_categories()) {
                                    foreach ($categories as $category) {
                                        $output .= '<li class="'. esc_attr($category->slug) .'"><a data-rel=".category-'. esc_attr($category->slug) .'" href="'. esc_url(get_term_link($category)) .'">'. esc_html($category->name) .'</a></li>';
                                    }
                                }