wp_nav_menu_args filter-hook . WP 3.0.0

Filters the arguments used to display a navigation menu.

Usage

add_filter( 'wp_nav_menu_args', 'filter_function_name_3604' );
function filter_function_name_3604( $args ){
	// filter...

	return $args;
}

$args(array)

Array of wp_nav_menu() arguments.

Where the hook is called

$args = apply_filters( 'wp_nav_menu_args', $args );

Where in WP core the hook is used WordPress

add_filter( 'wp_nav_menu_args', array( $this, 'filter_wp_nav_menu_args' ), 1000 );