'parent', 'id' => 'term_id', ); /** * Starts the element output. * * @since 2.1.0 * * @see Walker::start_el() * * @param string $output Used to append additional content (passed by reference). * @param object $category Category data object. * @param int $depth Depth of category. Used for padding. * @param array $args Uses 'selected', 'show_count', and 'value_field' keys, if they exist. * See wp_dropdown_categories(). * @param int $id Optional. ID of the current category. Default 0 (unused). */ public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) { $pad = str_repeat( ' ', $depth * 3 ); /** This filter is documented in site-inc/category-template.php */ $cat_name = apply_filters( 'list_cats', $category->name, $category ); if ( isset( $args['value_field'] ) && isset( $category->{$args['value_field']} ) ) { $value_field = $args['value_field']; } else { $value_field = 'term_id'; } $output .= "\t\n"; } }