Require a Featured Post Image This code sends an admin message if a featured image is not set for the...
Require a featured image for posts The following code can be used to make the post thumbnail a requirement. When you...
Add admin notices on edit screen Create custom admin notices with this function. I used the EDIT parent_base to use it...
Hide update notice to all but admins Are your authors and contributors annoyed by the update notice when a new WP version...