如果添加了custome字段，则签出时Woocommerce签出内部服务器错误

Question

我试图添加一个服装字段作为一个税在woo商务确实它显示在购物车作为预期和结账也但当我继续支付或结账它说内部服务器错误

[09-Jun-2017 17:44:07 UTC]PHP致命错误：调用/home/xxxxx/xxxx/xxxx中数组上的成员函数get_id（）。com/test/wp content/plug‌​ins/WOOCERCESS pdf-‌​发票/包括/ab‌​战略/摘要‌​哎呀。php在线615

我的代码：

add_action( 'woocommerce_cart_calculate_fees','woocommerce_custom_surcharge' );

function woocommerce_custom_surcharge() {
global $woocommerce;

if ( is_admin() && ! defined( 'DOING_AJAX' ) )
    return;

    $percentage = 0.03;
    $taxes = array_sum($woocommerce->cart->taxes);
    $surcharge = ( $woocommerce->cart->cart_contents_total + $woocommerce->cart->shipping_total + $taxes ) * $percentage;   
    // Make sure that you return false here.  We can't double tax people!
    $woocommerce->cart->add_fee( 'Processing Fee', $surcharge, false, '' );

}

Answer 1

对数组上的成员函数get_id（）的调用来自woocommerce pdf-‌​发票插件。禁用它将解决此错误