Constructor.

Validates a single query.

Transforms a single query, from one field to another.

Helper function to clear the cache for number of authors.

Displays an access denied message when a user tries to view a site’s dashboard they do not have access to.

From php.net (modified by Mark Jaquith to behave like the native PHP5 function).

Determines whether a menu item is valid.

Outputs the attachment media states as HTML.

Retrieve the link to a contributor’s WordPress.org profile page.

Retrieve the link to an external library used in WordPress.