walker_nav_menu_start_el
Filter Hook: Filters a menu item’s starting output.
Source: wp-includes/class-walker-nav-menu.php:284
Walker_Nav_Menu::end_el()
Method: Ends the element output, if needed.
Source: wp-includes/class-walker-nav-menu.php:300
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