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', $message ); } /** * Prevents the Customizer from being loaded on WordPress versions prior to 4.4. * * @since For dummies 1.0 * * @global string $wp_version WordPress version. */ function fordummies_customize() { wp_die( sprintf( __( 'For dummies requires at least WordPress version 4.4. You are running version %s. Please upgrade and try again.', 'fordummies' ), $GLOBALS['wp_version'] ), '', array( 'back_link' => true, ) ); } add_action( 'load-customize.php', 'fordummies_customize' ); /** * Prevents the Theme Preview from being loaded on WordPress versions prior to 4.4. * * @since For dummies 1.0 * * @global string $wp_version WordPress version. */ function fordummies_preview() { if ( isset( $_GET['preview'] ) ) { wp_die( sprintf( __( 'For dummies requires at least WordPress version 4.4. You are running version %s. Please upgrade and try again.', 'fordummies' ), $GLOBALS['wp_version'] ) ); } } add_action( 'template_redirect', 'fordummies_preview' );