%s

', $message ); } /** * Prevent the Theme Preview from being loaded on WordPress versions prior to 4.0. * * @since 1.0.0 */ function wk_preview() { if ( isset( $_GET['preview'] ) ) { wp_die( sprintf( __( 'This theme requires at least WordPress version 4.0. You are running version %s. Please upgrade and try again.', 'wk' ), $GLOBALS['wp_version'] ) ); } } add_action( 'template_redirect', 'wk_preview' ); /** * Prevent the Theme Customizer from being loaded on WordPress versions prior to 4.0 * * @since 1.0.0 */ function wk_customize() { wp_die( sprintf( __( 'This theme requires at least WordPress version 4.0. You are running version %s. Please upgrade and try again.', 'wk' ), $GLOBALS['wp_version'] ), '', array( 'back_link' => true, ) ); } add_action( 'load-customize.php', 'wk_customize' );