Prints the styles that were queued too late for the HTML head.

Registers a meta key.

Sanitize every user field.

Returns the screen layout options.

Renders the screen’s help.

Returns the screen’s per-page options.

Display relational link for the first post.

Strips a shortcode tag based on RegEx matches against post content.

Displays an editor: TinyMCE, HTML, or both.

Handles retrieving the insert-from-URL form for an audio file.