Callback function used by preg_replace.

Callback to add rel="nofollow" string to HTML A element.

Destroys the previous query and sets up a new query.

Performs a safe (local) redirect, using wp_redirect().

Sanitizes a URL for use in a redirect.

Creates term and taxonomy relationships.

Set the tags for a post.

Displays a tag cloud.

Fires actions related to the transitioning of a post’s status.

Makes term slug unique, if it isn’t already.