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WordPress - Get child pages and grandchild page list. Get ancestor list when on grandchild page.
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<?php | |
if(is_page()) | |
{ | |
//Assuming current working page is the parent | |
// | |
$the_parent_id = $post->ID; | |
//Otherwise get the greatest ancestor id | |
// | |
if(! empty($post->ancestors)) | |
{ | |
$the_parent_key = max(array_keys($post->ancestors)); | |
$the_parent_id = $post->ancestors[$the_parent_key]; | |
} | |
//First, get all of the pages | |
// | |
$all_wp_pages = get_pages(); | |
//Get all of the children relative to the greatest ancestor | |
// | |
$page_services_children = get_page_children($the_parent_id, $all_wp_pages); | |
$page_walk_defaults = array(); | |
$page_walk_defaults['depth'] = 3; | |
$page_walk_defaults['show_date'] = ''; | |
$page_walk_defaults['date_format'] = get_option('date_format'); | |
$page_walk_defaults['child_of'] = 0; | |
$page_walk_defaults['exclude'] = ''; | |
$page_walk_defaults['title_li'] = ''; | |
$page_walk_defaults['echo'] = 0; | |
$page_walk_defaults['authors'] = ''; | |
$page_walk_defaults['sort_column'] = 'post_date'; | |
$page_walk_defaults['link_before'] = ''; | |
$page_walk_defaults['link_after'] = ''; | |
$page_walk_defaults['walker'] = ''; | |
$output = ''; | |
$output .= '<ul>'; | |
$output .= '<li>'.get_the_title($the_parent_id).'</li>'; | |
$output .= walk_page_tree($page_services_children, $page_walk_defaults['depth'], $the_parent_id, $page_walk_defaults); | |
$output .= '</ul>'; | |
$output = apply_filters('wp_list_pages', $output, $page_walk_defaults); | |
echo $output; | |
} | |
?> |
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