widget_nav_menu_args filter-hook . WP 4.2.0

Filters the arguments for the Navigation Menu widget.

Usage

add_filter( 'widget_nav_menu_args', 'filter_function_name_4670', 10, 4 );
function filter_function_name_4670( $nav_menu_args, $nav_menu, $args, $instance ){
	// filter...

	return $nav_menu_args;
}

$nav_menu_args(array)

An array of arguments passed to wp_nav_menu() to retrieve a navigation menu.

• $fallback_cb (callable/true/false)
  Callback to fire if the menu doesn't exist.
  Default: ''

• $menu (mixed)
  Menu ID, slug, or name.

$nav_menu(WP_Term)

Nav menu object for the current menu.

$args(array)

Display arguments for the current widget.

$instance(array)

Array of settings for the current widget.

Notes

• Since 4.4.0 Added the $instance parameter.

Where the hook is called

wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args, $instance ) );

Where the hook is used (in WP core)