Releases an upgrader lock.

Closes the current database connection.

Adds CSS to hide header text for custom logo, based on Customizer setting.

Checks an attachment being deleted to see if it’s a header or background image.

Marks a constructor as deprecated and informs when it has been used.

Retrieves the current user object.

Returns a post array ready to be inserted into the posts table as a post revision.

Determines which fields of posts are to be saved in revisions.

A non-filtered, non-cached version of wp_upload_dir() that doesn’t check the path.

Add a top-level menu page in the ‘objects’ section.