How can I query only those pages that DO NOT HAVE child pages?
E.g.:
- Parent page 1
- Child page 1
- Child page 2
- Parent page 2
- Parent page 3
- Child page 1
- Child page 2
- Parent page 4
I would like to show
- Parent page 2
- Parent page 4
$newQuery = new WP_Query( array (
'posts_per_page' => -1,
'post_type' => 'page',
// Solution?
) );
Thanks