/**
 * @snippet       Redirect to Checkout Upon Add to Cart - WooCommerce
 * @how-to        Get CustomizeWoo.com FREE
 * @author        Rodolfo Melogli
 * @compatible    Woo 3.8
 * @donate $9     https://businessbloomer.com/bloomer-armada/
 */
  
add_filter( 'woocommerce_add_to_cart_redirect', 'bbloomer_redirect_checkout_add_cart' );
 
function bbloomer_redirect_checkout_add_cart() {
   return wc_get_checkout_url();
}