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I want to remove sub-menu ul and .menu-item-has-children class when the menu depth is superior or egal to 2.

So, I only want a menu with 3 sub-menu at maximum. Other item children will still displayed in the menu but not in a sub menu.

With wp_nav_menu('depth' => 3) it don't append all items. So, I think I need to use a custom walker nav.

I don't know how to do it with start_lvl. What is the way to count depth and to remove ul and classes...

My aim is to change this menu:

  • menu-item-has-children
    • menu-item-1
    • menu-item-2
    • menu-item-has-children
      • menu-item-3
      • menu-item-4
      • menu-item-has-children
        • menu-item-5
        • menu-item-6

to this menu :

  • menu-item-has-children
    • menu-item-1
    • menu-item-2
    • menu-item-has-children
      • menu-item-3
      • menu-item-4
      • menu-item-has-children
      • menu-item-5
      • menu-item-6

And the unwanted behavior provides by wp_nav_menu('depth' => 3) option in wordpress

  • menu-item-has-children
    • menu-item-1
    • menu-item-2
    • menu-item-has-children
      • menu-item-3
      • menu-item-4
      • menu-item-has-children

I've tried with this:

function start_lvl(&$output, $depth) { 
    if($depth >= 2) {
        $output .=  '';
    } else {
        $output .= "<ul class='sub-menu'>";
    }
}

It near works, but it create a problem with ul inside my navmenu.

|improve this question
  • Can you explain in more detail why the depth argument doesn't work? – s_ha_dum Dec 22 '13 at 14:53
  • I don't say that it doesn't work but the behavior of depth in wp_nav_menu just removed all menu-item after the choseen depth. In my case I want to display it but not in an other submenu. – freaky Dec 22 '13 at 14:56
  • ... it doesn't work for what you need. I am trying to figure out what the difference is between what you want and what wp_nav_menu does with the depth argument. I still can't really tell. – s_ha_dum Dec 22 '13 at 15:03
  • With the code that I write, I near works... But create a problem with my custom class megamenu added in an menu-item-has-children – freaky Dec 22 '13 at 15:08
3

At first glance, and without testing anything, the code you've got should work but I expect that you have a number of spurious </ul> in your markup. You need to do nearly the same thing for the end_lvl method.

function end_lvl(&$output, $depth) { 
    if($depth >= 2) {
        $output .=  '';
    } else {
        $output .= "</ul>";
    }
}

I don't know if that is the problem with your megamenu or not.

|improve this answer
  • Yes! You're right, I didn't think about that!!! It works great know! Thanks a lot! – freaky Dec 22 '13 at 15:17

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