问Woocommerce -按顺序显示SKU -接收页面URL

EN

//ADD SKU IN THANK YOU URL
add_filter('woocommerce_get_checkout_order_received_url','override_return_url',10,2);

function override_return_url($return_url,$order){

//create empty array to store url parameters in 
$sku_list = array();

// retrive products in order
foreach($order->get_items() as $key => $item)
{
  $product = wc_get_product($item['product_id']);
  //get sku of each product and insert it in array 
  $sku_list['product_'.$item['product_id'] . 'sku'] = $product->get_sku();
}
//build query strings out of the SKU array
$url_extension = http_build_query($sku_list);
//append our strings to original url
$modified_url = $return_url.'&'.$url_extension;

return $modified_url; 

}