WP::register_globals

	 * @global int          $more         Only set, if single page or post.
	 * @global int          $single       If single page or post. Only set, if single page or post.
	 * @global WP_User      $authordata   Only set, if author archive.
	 */
	public function register_globals() {
		global $wp_query;

		// Extract updated query vars back into global namespace.
		foreach ( (array) $wp_query->query_vars as $key => $value ) {
			$GLOBALS[ $key ] = $value;
		}

		$GLOBALS['query_string'] = $this->query_string;
		$GLOBALS['posts']        = & $wp_query->posts;
		$GLOBALS['post']         = isset( $wp_query->post ) ? $wp_query->post : null;
		$GLOBALS['request']      = $wp_query->request;

		if ( $wp_query->is_single() || $wp_query->is_page() ) {
			$GLOBALS['more']   = 1;
			$GLOBALS['single'] = 1;
		}