wp_nav_menu │ filter-hook │ WP 3.0.0

Filters the HTML content for navigation menus.

Usage

add_filter( 'wp_nav_menu', 'wp_kama_nav_menu_filter', 10, 2 );

/**
 * Function for `wp_nav_menu` filter-hook.
 * 
 * @param string   $nav_menu The HTML content for the navigation menu.
 * @param stdClass $args     An object containing wp_nav_menu() arguments.
 *
 * @return string
 */
function wp_kama_nav_menu_filter( $nav_menu, $args ){

	// filter...
	return $nav_menu;
}

$nav_menu(string)

The HTML content for the navigation menu.

$args(stdClass)

An object containing wp_nav_menu() arguments.

Changelog

Where the hook is called

$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );

Where the hook is used in WordPress

add_filter( 'wp_nav_menu', array( $this, 'filter_wp_nav_menu' ), 10, 2 );