/**
* Redirect to checkout at add-to-cart action.
*/
function redirect_to_checkout() {
return WC()->cart->get_checkout_url();
}
add_filter( 'woocommerce_add_to_cart_redirect', 'redirect_to_checkout' );
------------------------------------
/**
* Redirect to checkout at add-to-cart action on specific product IDs.
* When not in the list of IDs it will go to the cart (default behaviour).
*/
function redirect_to_checkout_product_ids( $url ) {
if ( in_array( $_REQUEST['add-to-cart'], array( 1, 2, 3 ) ) ) :
$url = WC()->cart->get_checkout_url();
endif;
return $url;
}
add_filter( 'woocommerce_add_to_cart_redirect', 'redirect_to_checkout_product_ids' );