自定义导航菜单

<?php
<!--Create -->
add_action( 'init', function() {
  register_nav_menu('my-custom-menu',__( 'My Custom Menu' ));
});

<!--Display-->
wp_nav_menu([ 
  'theme_location' => 'my-custom-menu', 
  'container_class' => 'custom-menu-class' 
]);