$activityChargeItem->uid, 'price' => (float)$activityChargeItem->price, 'trade_no' => $activityChargeItem->trade_no, 'pay_end_at' => $activityChargeItem->pay_end_at, 'activity_id' => $activityChargeItem->activity_id, 'send_order_id' => $activityChargeItem->send_order_id, 'send_order_name' => $activityChargeItem->send_order_name, 'created_at' => $activityChargeItem->created_at->toDateTimeString() ]; } }