Filters the HTML attributes applied to a menu item’s anchor element.
nav_menu_item_id
Filters the ID applied to a menu item’s list item element.
nav_menu_css_class
Filters the CSS classes applied to a menu item’s list item element.
nav_menu_item_args
Filters the arguments for a single nav menu item.
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Walker_Nav_Menu::start_el
Starts the element output.
Walker_Nav_Menu::end_lvl
Ends the list of after the elements are added.
nav_menu_submenu_css_class
Filters the CSS class(es) applied to a menu list element.
Walker_Nav_Menu::start_lvl
Starts the list before the elements are added.
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Walker_Nav_Menu
Core class used to implement an HTML list of nav menu items.