You should use wp_update_post()
.
$my_post = array(
'ID' => $post_id,
'post_author' => $user_id,
);
wp_update_post( $my_post );
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.