WPGlobaCart - Checkout Field Editor for WooCommerce (Pro)

public static function get_order_summary($order){
        $cart = array();
        $cart['products']   = array();
        $cart['categories'] = array();
        $cart['tags']       = array();
        $cart['variations'] = array();
        $cart['shipping_class'] = array();
        $cart['product_type'] = array();
        $shipping_weight = 0;

        if($order){
            $items = $order->get_items();
            $order_total = $order->get_total();
            $order_subtotal = $order->get_subtotal();
            foreach($items as $item) {
                do_action( 'woocommerce/cart_loop/start', $item );
                $product_id = $item->get_product_id();
                if(!$product_id){
                    continue;
                }

                $cart['products'][] = self::get_original_product_id($product_id);
                $cart['categories'] = array_merge( $cart['categories'], self::get_product_categories($product_id) );
                $cart['tags']       = array_merge( $cart['tags'], self::get_product_tags($product_id) );
                $cart['shipping_class'] = array_merge($cart['shipping_class'] ,self::get_product_shipping_class($product_id));
                $cart['product_type'][] = WC_Product_Factory::get_product_type($product_id);

                if($item->get_variation_id()){
                    $cart['variations'][] = $item->get_variation_id();
                    $cart['products'][] = self::get_original_product_id($item->get_variation_id());
                }
                $product_qty = $item->get_quantity();
                $_product = wc_get_product( $product_id );
                $weight = $_product->get_weight();
                if(!empty($weight) && is_numeric($weight)){
                    $shipping_weight += $weight * $product_qty;
                }
                do_action( 'woocommerce/cart_loop/end', $item );
            }

            $cart['products']   = array_values($cart['products']);
            $cart['categories'] = apply_filters('thwcfe_cart_product_categories', array_values($cart['categories']));
            $cart['tags']       = apply_filters('thwcfe_cart_product_tags', array_values($cart['tags']));
            $cart['variations']    = array_values($cart['variations']);
            $cart['shipping_class'] = array_values($cart['shipping_class']);
            $cart['product_type']  = array_values($cart['product_type']);
            $cart['cart_total']    = $order_total;
            $cart['cart_subtotal'] = $order_subtotal;
            $cart['shipping_weight']   = $shipping_weight;
        }
        return $cart;
    }