¿Quién habla de victorias? Sobreponerse es todo.
1,
'include' => $prevPost->ID,
'post_type' => $post_type,
);
$prevPost = get_posts($args);
foreach ($prevPost as $post) {
setup_postdata($post);
?>
1,
'include' => $nextPost->ID,
'post_type' => $post_type,
);
$nextPost = get_posts($args);
foreach ( $nextPost as $post ) {
setup_postdata($post);
?>
Buenísimo.