Wordpress显示子页和同级页的列表（如果有的话）

Posted 2021-02-26

<?php
    global $wp_query;
    if( empty($wp_query->post->post_parent) ) 
      {
         $parent = $wp_query->post->ID;
      } 
    else 
     {
         $parent = $wp_query->post->post_parent;
     } ?>
 
<?php if(wp_list_pages("title_li=&child_of=$parent&echo=0" )): ?>
    <div id="submenu">
     <ul>
      <?php wp_list_pages("title_li=&child_of=$parent" ); ?>
     </ul>
    </div>
<?php endif; ?>