Walker_Nav_Menu::start_lvl()
Starts the list before the elements are added.
Метод класса: Walker_Nav_Menu{}
Хуки из метода
Возвращает
null
. Ничего (null).
Использование
$Walker_Nav_Menu = new Walker_Nav_Menu(); $Walker_Nav_Menu->start_lvl( $output, $depth, $args );
- $output(строка) (обязательный) (передается по ссылке — &)
- Used to append additional content (passed by reference).
- $depth(int)
- Depth of menu item. Used for padding.
- $args(stdClass)
- An object of wp_nav_menu() arguments.
По умолчанию: null
Заметки
- Смотрите: Walker::start_lvl()
Список изменений
С версии 3.0.0 | Введена. |
Код Walker_Nav_Menu::start_lvl() Walker Nav Menu::start lvl WP 6.7.1
public function start_lvl( &$output, $depth = 0, $args = null ) { if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { $t = ''; $n = ''; } else { $t = "\t"; $n = "\n"; } $indent = str_repeat( $t, $depth ); // Default class. $classes = array( 'sub-menu' ); /** * Filters the CSS class(es) applied to a menu list element. * * @since 4.8.0 * * @param string[] $classes Array of the CSS classes that are applied to the menu `<ul>` element. * @param stdClass $args An object of `wp_nav_menu()` arguments. * @param int $depth Depth of menu item. Used for padding. */ $class_names = implode( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) ); $atts = array(); $atts['class'] = ! empty( $class_names ) ? $class_names : ''; /** * Filters the HTML attributes applied to a menu list element. * * @since 6.3.0 * * @param array $atts { * The HTML attributes applied to the `<ul>` element, empty strings are ignored. * * @type string $class HTML CSS class attribute. * } * @param stdClass $args An object of `wp_nav_menu()` arguments. * @param int $depth Depth of menu item. Used for padding. */ $atts = apply_filters( 'nav_menu_submenu_attributes', $atts, $args, $depth ); $attributes = $this->build_atts( $atts ); $output .= "{$n}{$indent}<ul{$attributes}>{$n}"; }