从对象内部的数组创建对象

Question

我有一个这样的对象，里面有一个数组：

    Abc Object
(
   [attributes:protected] => Array
       (
           [id] => xx
           [entity] => payment
           [amount] => 1475047
           [order_id] =>
           [invoice_id] =>
           [created_at] => 1558350389
       )
)

如何从中获取id，entity，amount，invoice_id，order_id作为对象？

修改 调用外部API：

    $api = new Api($dbres[0]['api_key'], $dbres[0]['secret_key']);
   $payment = $api->payment->fetch($validationObj['paymentReference']);
   $respObj = $payment->capture(array('amount' => $validationObj['amount'])) ;

   print_r($respObj);exit;