wp_get_nav_menus filter-hook . WP 3.0.0

Filters the navigation menu objects being returned.

Usage

add_filter( 'wp_get_nav_menus', 'filter_function_name_8013', 10, 2 );
function filter_function_name_8013( $menus, $args ){
	// filter...

	return $menus;
}

$menus(WP_Term[])

An array of menu objects.

$args(array)

An array of arguments used to retrieve menu objects.

Where the hook is called

return apply_filters( 'wp_get_nav_menus', get_terms( $args ), $args );

Where in WP core the hook is used WordPress

add_filter( 'wp_get_nav_menus', array( $this, 'filter_wp_get_nav_menus' ), 10, 2 );