Tag : Menu

//ad ID to li menu tag
function menu_id_page($item, $args)
{
  $page = get_post($args->object_id);
  $item = $page->post_name;
  return $item;
}
add_filter('nav_menu_item_id', 'menu_id_page', 10, 2);

// into any page or template
<?php
if ( has_nav_menu( 'main' ) ) {
  wp_nav_menu(
    array(
      'container' => 'nav',
      'container_class'	=> 'main-menu',
      'items_wrap' => '<ul>%3$s</ul>',
      'menu_id'	=> '',
      'menu_class' => '',
      'theme_location' => 'main'
    )
  );
}
?>