Custom Redirection On Add to cart Button

function my_custom_add_to_cart_redirect($url) {

    if (!isset($_REQUEST['add-to-cart']) || !is_numeric($_REQUEST['add-to-cart'])) {
        return $url;
    }
    $product_id = apply_filters('woocommerce_add_to_cart_product_id', absint($_REQUEST['add-to-cart']));

    // Only redirect the product IDs in the array to the checkout
    if (in_array($product_id, array(376, 375))) {
        $url = get_permalink(239);
    }
    return $url;
}

add_filter('woocommerce_add_to_cart_redirect', 'my_custom_add_to_cart_redirect');