Attempts activation of plugin in a “sandbox” and redirects on success.

Adds a meta box to one or more screens.

Adds a new shortcode.

Enqueues the default ThickBox js and css.

Displays next or previous image link that has the same post parent.

Displays the adjacent post link.

Does the specified module exist in the Apache config?

Ensures intent by verifying that a user was referred from another admin page with the correct security nonce.

Publish future post and make sure post ID has future post status.

Display the feed GUID for the current comment.