"XL WooCommerce Sales Triggers compatible for you save amount Note: works only with shortcode

Compatibility with "XL WooCommerce Sales Triggers" for displaying savings amount (using shortcode {{savings_value}}).

add_filter('wcst_modify_savings_price', function ($price_difference, $single, $productInfo, $page){
    if(!empty($productInfo) && !empty($productInfo->product)){
        $product = $productInfo->product;
        $regular_price = $product->get_regular_price();
        $sale_price    = $product->get_sale_price();
        if($price_difference == $regular_price){
            $price = $product->get_price();
            $result = apply_filters('advanced_woo_discount_rules_get_product_discount_price', false, $product);
            if($result !== false){
                $price_difference = $price - $result;
            }
        }
    }
    return $price_difference;
}, 10, 4);