_wp_menus_changed()
Function: Handles menu config after theme change.
Source: wp-includes/nav-menu.php:1174
wp_map_nav_menu_locations()
Function: Maps nav menu locations according to assignments in previously active theme.
Source: wp-includes/nav-menu.php:1192
Walker_Nav_Menu
Class: Core class used to implement an HTML list of nav menu items.
Source: wp-includes/class-walker-nav-menu.php:17
Walker_Nav_Menu::start_lvl()
Method: Starts the list before the elements are added.
Source: wp-includes/class-walker-nav-menu.php:70
nav_menu_submenu_css_class
Filter Hook: Filters the CSS class(es) applied to a menu list element.
Source: wp-includes/class-walker-nav-menu.php:92
Walker_Nav_Menu::end_lvl()
Method: Ends the list of after the elements are added.
Source: wp-includes/class-walker-nav-menu.php:109
Walker_Nav_Menu::start_el()
Method: Starts the element output.
Source: wp-includes/class-walker-nav-menu.php:137
nav_menu_item_args
Filter Hook: Filters the arguments for a single nav menu item.
Source: wp-includes/class-walker-nav-menu.php:162
nav_menu_css_class
Filter Hook: Filters the CSS classes applied to a menu item’s list item element.
Source: wp-includes/class-walker-nav-menu.php:175
nav_menu_item_id
Filter Hook: Filters the ID attribute applied to a menu item’s list item element.
Source: wp-includes/class-walker-nav-menu.php:189