Funções para criar menu no Wordpress

Menu Wordpress

functions.php:

//MENU
class dwf_walker extends Walker {
		    
    var $db_fields = array(
        'parent' => 'menu_item_parent',
        'id'     => 'db_id'
    );
    
    function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
        $output .= sprintf( "\n<li class=\"list-item\"><a class='list-link' data-scroll data-options='{ 'easing': 'linear' }' href='%s'%s> %s</a></li>\n",
            $item->url,
            ( $item->object_id === get_the_ID() ) ? ' class="current"' : '',
            $item->title
        );
    }
}


register_nav_menus( array(
	'header-menu' => __( 'Header Menu' ),
));	

--------

header.php:

 <ul class="offcanvas-list">
  <?php wp_nav_menu(
    array(
      'items_wrap'=> '%3$s',
      'walker' => new dwf_walker(),
      'container'=> false,
      'menu_class' => '',
      'theme_location'=> 'extra-menu', //Aqui você coloca nome do menu principal,
      'fallback_cb'=> false , 
    )); 
  ?>
</ul>