A simple plugin that allows to set the date for the posts, after which will be performed one of 3 actions: “Add prefix to title”, “Move to drafts”, “Move to trash”.

Features:

• Set post expire date and time
• Support custom post type (post and pages by default)
• Action for expired posts: move to drafts, move to trash or add custom prefix for title
• Adds class “post-expired” to post that expired on the site and in admin interface (for custom styles in theme)

Use in theme:

XNPostExpires::isExpired($post_id)

XNPostExpires::dateExpiration($post_id, $date_format)