'parent', 'id' => 'term_id', 'slug' => 'slug', ); /** * Starts the list before the elements are added. * * @see Walker::start_el() * @since 2.1.0 * * @param string $output Passed by reference. Used to append additional content. * @param int $depth Depth of category in reference to parents. * @param integer $current_object_id */ public function start_el( &$output, $cat, $depth = 0, $args = array(), $current_object_id = 0 ) { if ( ! empty( $args['hierarchical'] ) ) { $pad = str_repeat(' ', $depth * 3); } else { $pad = ''; } $cat_name = apply_filters( 'list_product_cats', $cat->name, $cat ); $value = isset( $args['value'] ) && $args['value'] == 'id' ? $cat->term_id : $cat->slug; $output .= "\tcount ) . ')'; } $output .= "\n"; } /** * Traverse elements to create list from elements. * * Display one element if the element doesn't have any children otherwise, * display the element and its children. Will only traverse up to the max. * depth and no ignore elements under that depth. It is possible to set the. * max depth to include all depths, see walk() method. * * This method shouldn't be called directly, use the walk() method instead. * * @since 2.5.0 * * @param object $element Data object * @param array $children_elements List of elements to continue traversing. * @param int $max_depth Max depth to traverse. * @param int $depth Depth of current element. * @param array $args * @param string $output Passed by reference. Used to append additional content. * @return null Null on failure with no changes to parameters. */ public function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) { if ( ! $element || ( 0 === $element->count && ! empty( $args[0]['hide_empty'] ) ) ) { return; } parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); } } endif;