make_site_theme(): string|false

3602function make_site_theme() {3603	// Name the theme after the blog.3604	$theme_name = __get_option( 'blogname' );3605	$template   = sanitize_title( $theme_name );3606	$site_dir   = WP_CONTENT_DIR . "/themes/$template";3607 3608	// If the theme already exists, nothing to do.3609	if ( is_dir( $site_dir ) ) {3610		return false;3611	}3612 3613	// We must be able to write to the themes dir.3614	if ( ! is_writable( WP_CONTENT_DIR . '/themes' ) ) {3615		return false;3616	}3617 3618	umask( 0 );3619	if ( ! mkdir( $site_dir, 0777 ) ) {3620		return false;3621	}3622 3623	if ( file_exists( ABSPATH . 'wp-layout.css' ) ) {3624		if ( ! make_site_theme_from_oldschool( $theme_name, $template ) ) {3625			// TODO: rm -rf the site theme directory.3626			return false;3627		}3628	} else {3629		if ( ! make_site_theme_from_default( $theme_name, $template ) ) {3630			// TODO: rm -rf the site theme directory.3631			return false;3632		}3633	}3634 3635	// Make the new site theme active.3636	$current_template = __get_option( 'template' );3637	if ( WP_DEFAULT_THEME === $current_template ) {3638		update_option( 'template', $template );3639		update_option( 'stylesheet', $template );3640	}3641	return $template;3642}