post ancestors

Get current post ancestors in WordPress

by

Get current post ancestors and list it’s children in WordPress.

PHP
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global $post;
$ancestor = get_post_ancestors($post->ID);
$id = ($ancestor) ? $ancestor[count($ancestor)-1]: $post->ID;
$post_ancestor = get_post($id);
 
$args = array(
    'post_type' => 'page',
    'post_parent' => $id,
    'posts_per_page' => -1
);
$pages = get_posts($args);
if($pages){
    echo '<div class="subpages">';
    echo '<h3>' . $post_ancestor->post_title . '</h3>';
    echo '<ul>';
    foreach($pages as $page){
        if($page->ID === $post->ID){
            $class = 'active';
        } else {
            $class = '';
        }
    echo '<li class="' . $class . '"><a href="' . get_permalink($page->ID) . '">' . $page->post_title . '</a></li>';
}
echo '</ul>';
echo '</div>';
}