Defines initial WordPress constants.

Limit the amount of meta boxes to pages, posts, links, and categories for first time users.

Updates an existing Category or creates a new Category.

Callback for wp_kses_normalize_entities() regular expression.

Loads and caches certain often requested site options if is_multisite() and a persistent cache is not being used.

Provides a simple login form for use anywhere within WordPress.

Add magic quotes to $_GET, $_POST, $_COOKIE, and $_SERVER.

Die with a maintenance message when conditions are met.

Displays a navigation menu.

Displays a meta box for the custom links menu item.