Lấy data dữ liệu menu trong wordpress

Trong trường hợp bạn muốn lấy menu item của wordpress

Đoạn code lấy data dữ liệu menu

<?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>