尝试使用 laravel 8 获取非对象的属性“id”

Question

我正在尝试显示通知，但不幸的是，如果工作许可表没有记录，我会收到错误消息，我该如何解决这个问题？ thnaks。

试图获取非对象的属性“id”（视图：/home/zubair/htdocs/permit-to-work/cms/resources/views/cms/layouts/header.blade.php）

查看刀片

   @php
    $notifications = getNotication();
    @endphp
    @foreach ($notifications as $notification)
    <div class="notification-load">
    <a href="{{route('work.permit.edit',$notification->workPermit->id)}}" class="dropdown-item notify-item ">
    <div class="notify-icon bg-blue">
        <i class="fas fa-file-alt text-white">
        </i>
    </div>
    @php
    $date=$notification->workPermit->validty_to;
    $timestamp = strtotime($date);
    $validty_date = date("d,M ,Y", $timestamp);
    @endphp
    <p class="text-muted mb-0 user-msg ">
    <b>
    <small class="notification_list">Permit No {{$notification->workPermit->permit_code}}  validity is about to end at {{$validty_date}}
    </small>
    </b>
    </p>
    </a>
    </div>
    @endforeach

Answer 1

使用这个助手 function

optional($notification->workPermit)->id

而不是那个

$notification->workPermit