woocommerce-display-product-discount-order-summary-checkout-cart code example

Example: woocommerce-display-product-discount-order-summary-checkout-cart

/**
 * @snippet       WooCommerce: Display Product Discount in Order Summary @ Checkout, Cart
 * @author        Sandesh Jangam
 * @donate $7     https://www.paypal.me/SandeshJangam/7
 */
  
add_filter( 'woocommerce_cart_item_subtotal', 'ts_show_product_discount_order_summary', 10, 3 );
 
function ts_show_product_discount_order_summary( $total, $cart_item, $cart_item_key ) {
     
    //Get product object
    $_product = $cart_item['data'];
     
    //Check if sale price is not empty
    if( '' !== $_product->get_sale_price() ) {
         
        //Get regular price of all quantities
        $regular_price = $_product->get_regular_price() * $cart_item['quantity'];
         
        //Prepend the crossed out regular price to actual price
        $total = '<span style="text-decoration: line-through; opacity: 0.5; padding-right: 5px;">' . wc_price( $regular_price ) . '</span>' . $total;
    }
     
    // Return the html
    return $total;
}