在woocommerce的购物车页面上将产品数量拆分到新行

// 将产品数量拆分到新行
function split_quantity_to_new_row() {
    // 检查是否在购物车页面
    if (is_cart()) {
        // 获取购物车中的产品
        $cart_items = WC()->cart->get_cart();

        // 遍历购物车中的每个产品
        foreach ($cart_items as $cart_item_key => $cart_item) {
            // 获取产品数量
            $quantity = $cart_item['quantity'];

            // 拆分数量到新行
            for ($i = 1; $i <= $quantity; $i++) {
                // 克隆产品
                $new_cart_item = $cart_item;
                $new_cart_item['quantity'] = 1;

                // 添加新行
                $new_cart_item_key = WC()->cart->generate_cart_id($new_cart_item['product_id']);
                WC()->cart->cart_contents[$new_cart_item_key] = $new_cart_item;
            }

            // 移除原始产品行
            unset(WC()->cart->cart_contents[$cart_item_key]);
        }
    }
}
add_action('woocommerce_before_cart', 'split_quantity_to_new_row');