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Generate a custom structure for Wordpress menus.

This gist is for showing an example of a custom wordpress menu.

If you want to get more from the menu item simply have a look at the $item object. i.e:

// Will return a large object with lots of props like title, url, description, id etc.
var_dump( $item );

This code works on Wordpress 4.1.1 as of 31st of March 2015

<?php
$menu_name = 'main_nav';
$locations = get_nav_menu_locations();
$menu = wp_get_nav_menu_object( $locations[ $menu_name ] );
$menuitems = wp_get_nav_menu_items( $menu->term_id, array( 'order' => 'DESC' ) );
?>
<nav>
<ul class="main-nav">
<?php
$count = 0;
$submenu = false;
foreach( $menuitems as $item ):
$link = $item->url;
$title = $item->title;
// item does not have a parent so menu_item_parent equals 0 (false)
if ( !$item->menu_item_parent ):
// save this id for later comparison with sub-menu items
$parent_id = $item->ID;
?>
<li class="item">
<a href="<?php echo $link; ?>" class="title">
<?php echo $title; ?>
</a>
<?php endif; ?>
<?php if ( $parent_id == $item->menu_item_parent ): ?>
<?php if ( !$submenu ): $submenu = true; ?>
<ul class="sub-menu">
<?php endif; ?>
<li class="item">
<a href="<?php echo $link; ?>" class="title"><?php echo $title; ?></a>
</li>
<?php if ( $menuitems[ $count + 1 ]->menu_item_parent != $parent_id && $submenu ): ?>
</ul>
<?php $submenu = false; endif; ?>
<?php endif; ?>
<?php if ( $menuitems[ $count + 1 ]->menu_item_parent != $parent_id ): ?>
</li>
<?php $submenu = false; endif; ?>
<?php $count++; endforeach; ?>
</ul>
</nav>
@dejavu18

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commented Aug 31, 2013

Hello.
Add a description menu ?

@theodorocaliari

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commented Jan 6, 2014

Hi, before all, thanks for share your solution! Very apreciated!
Well, how can I add more 2 deep levels in sub menu? I tryed to copy and paste the fragment of 'ul.sub-menu' inside of the child 'li' but all is duplicated... =(

How can I do that? Please help me! Thanks!

@hitautodestruct

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commented Feb 3, 2014

@theodorocaliari This code should drill down to any level sub menus.

@SpartakusMd

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commented Apr 3, 2014

Hi. Your code is buggy. If you add a category to menu a error is shown. $page->post_title change with $item->title and $link = get_page_link( $id ) with $link = $item->url;. Also $page->post_excerpt won't exist.

@karlhadwen

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commented Nov 20, 2014

SpartakusMd is right. I have to add that you must also have an 'isset' on both '($menu_items[$count + 1]->menu_item_parent)' pieces of code, or you'll get a property of non-object error. Also on the first 'isset' since you're closing the '' tag, make sure you use an else statement to close the tag even if it isn't set, or else you'll be missing a closing tag. I also tested it to multiple levels but it doesn't go that far.

@beesmart

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commented Dec 30, 2014

I've run into a problem this code, it works great until you need to add a 3rd level menu-item, at which point the html elements come undone and the child menu items don't show up. I've checked the code to see what could be causing this or what I could do to fix it but to no avail. I've posted a questions here:

http://wordpress.stackexchange.com/questions/173573/wp-custom-nav-menu-problem

If you have any advice/help I'd greatly appreciate it.

@mashro3na

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commented Jan 3, 2015

its worked with me by change

$page = get_page( $id );
$link = get_page_link( $id );
to
$title = $item->title;
$url = $item->url;
$class = $item->classes[0];

good work you saved my day! Thank you.

@karlhadwen

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commented Feb 22, 2015

@mashro3na can you elaborate? you can't just replace two variables. @hitautodestruct can you fix this?

@hitautodestruct

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commented Mar 31, 2015

@karlhadwen Replaced in gist 😄

@Valonix

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commented Apr 21, 2015

if you add menu item like "LINK" you get a issue

@dmmarmol

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commented Jun 8, 2015

@hitautodestruct I had the same issue that @theodorocaliari. I can't print more than one submenu list and I need to nest every <ul class="submenu"> inside a parent <li>, depending on how much submenu i have.

How can i evaluate the php( $parent_id == $item->menu_item_parent ) when the $item it has more than one parent element?

@SimonBak

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commented Sep 11, 2015

Hello,

Thanks for your nice work.
Do you have an idea if i ant to add a third level more ?
Thanks.

@gnowland

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commented Oct 6, 2015

@beesmart, you're absolutely right, there's an error in the code.

Line 41 should be:

<?php if ( !isset($menu_items[ $count + 1 ]) || $menuitems[ $count + 1 ]->menu_item_parent != $parent_id && $submenu ): ?>

and Line 47 should be:

<?php if ( !isset($menu_items[ $count + 1 ]) || $menuitems[ $count + 1 ]->menu_item_parent != $parent_id ): ?>

@hitautodestruct you may want to update this in the gist.

@loorlab

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commented Oct 11, 2015

@gnowland & @hitautodestruct Thanks for your solutions !

@thedgbrt

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commented Dec 1, 2015

@gnowland there's an error in your correction, it should be $menuitems[ $count + 1 ] instead of $menu_items[ $count + 1 ]

@michellomp

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commented Feb 23, 2016

I made changes of @gnowland and @dagobertrenouf but the problem is the same i only get one level drop down menu
Does anybody succeed having multi level menu with this code

@wespiremedia

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commented Jun 13, 2017

The problem is in the ( $parent_id == $item->menu_item_parent ) statements.

While looping a third level menu-item, the parent_id is the ID of the parent item (so second level), while the $parent_id is the top-parent ID.

We've solved this to change $parent_id to an array which contains all of the previous menu-item ID's.
After that, improve the statements with the in_array($item->menu_item_parent, $parent_id) function.

@skillmatic-co

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commented Jan 23, 2018

I can't seem to figure out how to put a class (like .menu-item-has-children for example) on the li that has children. Any help?

@enesaltuntas

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commented Mar 31, 2018

Hi,

@hitautodestruct How can i get thee child menu items?

@MrkKr

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commented May 15, 2018

@wespiremedia Could paste code with third level menu?

@enesaltuntas, I found custom Navwalker, third and fourth level children works -> http://cssmenumaker.com/blog/wordpress-3-drop-down-menu-tutorial/

@deepk10

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commented Jul 30, 2018

Superb.

@deepk10

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commented Jul 30, 2018

I have used only this code.

term_id, array( 'order' => 'DESC' ) ); ?>

And get my required output.

@SillySam

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commented Sep 8, 2018

I have modified this script and improved it if anyone is interested.
https://gist.github.com/SillySam/842d8b5cade983c194a3b8d1a0171287

@mostafa272

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commented Oct 30, 2018

Why don't you use recursion? It is a very simple way and works for the menus with multiple levels.

@speedwheel

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commented Jan 11, 2019

Anyway made it work with unlimited levels?

@pritamnskr2019

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commented Feb 21, 2019

url; $title = $item->title; // item does not have a parent so menu_item_parent equals 0 (false) if ( !$item->menu_item_parent ): // save this id for later comparison with sub-menu items $parent_id[] = $item->ID; ?>
  • class="first_child menuactive menuparent" class="" class="last_child menuactive menuparent"
              <?php }?>>
              <a href="<?php echo $link; ?>" class="title">
                  <?php echo $title; ?>
              </a>
          <?php endif; ?>
    
              <?php if (in_array($item->menu_item_parent, $parent_id)): ?>
    
                  <?php if ( !$submenu ): $submenu = true; ?>
    
                  <ul class="unli">
                  <?php endif; ?>
    
                      <li class="item">
                          <a href="<?php echo $link; ?>" class="title">
                              <?php echo $title; ?>
                          </a>
                          <?php
                            global $wpdb;
                            $sql = "SELECT `post_id` FROM `wp_postmeta` WHERE `meta_key` = '_menu_item_menu_item_parent' AND `meta_value` = '".$item->ID."'";
                            $results = $wpdb->get_results($sql,ARRAY_N);
                            
                            if(!empty($results )){
                              $subsubmenu = array();
                                foreach($results as $result){
                                  
                                  $subsubmenu[] = $result[0];
                                }
                              $allids = implode(",",$subsubmenu);
                              $sql2 = "SELECT `ID` FROM `wp_posts` WHERE `ID` IN($allids)";
                              $results2 = $wpdb->get_results($sql2,ARRAY_N);
                              
                                $submenus = array();
                                foreach($results2 as $result2){
                                  
                                  $submenus[] = $result2[0];
                                }
                                
                                $allpostids = implode(",",$submenus);
                                $sql3 = "SELECT `meta_value` FROM `wp_postmeta` WHERE `post_id` IN($allpostids) AND `meta_key`='_menu_item_object_id'";
                                $results3 = $wpdb->get_results($sql3,ARRAY_N);
                                
                                if(!empty($results3)){
                                  $orginalmenuitemid = array();
                                  foreach($results3 as $result3){
                                    $orginalmenuitemid[] = $result3[0];
                                  }
                                  //print_r($orginalmenuitemid);
                          ?>
                                    <ul class="unli">
                  
                          <?php        
                                    $p =1;
    
                                    foreach($orginalmenuitemid as $originalmenuitemids){
                                      //echo $originalmenuitemids;
                          ?>
                                        <li <?php if($p=1){ ?> class="first_child" <?php }elseif($p == count($originalmenuitemid)){?>
                                              class="last_child"
                                          <?php }else{?>
                                              class=""
                                          <?php }?>>
                                          <a href="<?php echo get_permalink($originalmenuitemids);?>"><span>
                                            <?php echo get_the_title($originalmenuitemids);?>
                                          </span></a>
                                        </li>
                          <?php        
                                      $p=$p+1;
                                    }
                          ?>
                                    </ul>
    
                          <?php        
                                }
                            }
                          ?>
                      </li>
    
                  <?php if ( $menuitems[ $count + 1 ]->menu_item_parent != $parent_id && $submenu ): ?>
                  </ul>
                  <?php $submenu = false; endif; ?>     
              <?php endif; ?>
    
          <?php if ( $menuitems[ $count + 1 ]->menu_item_parent != $parent_id ): ?>
          </li>                           
          <?php $submenu = false; endif; ?>
    
      <?php 
        $count++; endforeach; 
        $i++;
    
      ?>
      </ul>
    

    Third level menu

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