%s

', $message ); } // Prevent the Customizer from being loaded on WordPress versions prior to 4.1. function amiable_customize() { wp_die( sprintf( __( 'Amiable requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'amiable' ), $GLOBALS['wp_version'] ), '', array( 'back_link' => true, ) ); } add_action( 'load-customize.php', 'amiable_customize' ); // Prevent the Theme Preview from being loaded on WordPress versions prior to 4.1. function amiable_preview() { if ( isset( $_GET['preview'] ) ) { wp_die( sprintf( __( 'Amiable requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'amiable' ), $GLOBALS['wp_version'] ) ); } } add_action( 'template_redirect', 'amiable_preview' );