Php Laravel-无法在第一个关系中循环,但在关系中可以正常工作
我的当前嵌套for循环:Php Laravel-无法在第一个关系中循环,但在关系中可以正常工作,php,laravel,laravel-5,laravel-5.4,Php,Laravel,Laravel 5,Laravel 5.4,我的当前嵌套for循环: @foreach($auditResults->map->questionDetail as $detail) @include('dropdownQuestion', [ 'answer' => $auditResults, 'detail' => $detail, 'question' => $detail->auditQuestion ]) @endforeach
@foreach($auditResults->map->questionDetail as $detail)
@include('dropdownQuestion', [
'answer' => $auditResults,
'detail' => $detail,
'question' => $detail->auditQuestion
])
@endforeach
如您所见,我想在循环中返回$auditResults
作为应答
,但当前设置不起作用
如果我将for循环更改为此(这在逻辑上是有意义的):
我尝试获取非对象的属性时得到
如何在不获取非对象属性的情况下循环并返回$auditResults
?非常感谢
DD$auditResults集合:
Collection {#400 ▼
#items: array:18 [▼
0 => Audit {#404 ▼
#fillable: array:4 [▶]
#attributes: array:7 [▶]
#original: array:7 [▶]
#observables: []
#relations: array:1 [▼
"questionDetail" => AuditQuestionDetail {#426 ▶}
]
#touches: []
+timestamps: true
#hidden: []
#visible: []
#guarded: array:1 [▶]
}
1 => Audit {#405 ▶}
2 => Audit {#406 ▶}
3 => Audit {#407 ▶}
4 => Audit {#408 ▶}
5 => Audit {#409 ▶}
6 => Audit {#410 ▶}
7 => Audit {#411 ▶}
8 => Audit {#412 ▶}
9 => Audit {#413 ▶}
我假设map是一对一的关系。使用前应检查是否存在任何关系数据:
@foreach($auditResults as $result)
@if ($result->map->count())
@if ($result->map->questionDetail->count())
@foreach($result->map->questionDetail as $detail)
@include('dropdownQuestion', [
'answer' => $result,
'detail' => $detail,
'question' => $detail->map->auditQuestion
])
@endforeach
@endif
@endif
@endforeach
能否提供$auditResults
的dd()
?@manniL-附在描述后。我认为错误在$detail->map->auditQuestion上。你有地图吗?移除线路,看看它是否有效。这里的想法与@train\u fox类似。我不明白为什么在这种情况下需要调用map
:@foreach($result->questionDetail作为$detail)
如果我将其更改为@foreach($result->questionDetail作为$detail)
,错误显示在@train_fox对$detail->map->auditQuestion的原始建议上。我是否需要另一个嵌套循环来访问此循环?感谢您的回复,不幸的是,上面返回了对null上的成员函数count()的调用。哪一个?地图或问题细节?它实际上并没有说它在哪里失败。上面写着第108行,在for循环上方的一个空行上。当然,你错过了一些关系。检查你的人际关系。尝试在tinker中分别提取关系以检查关系。
@foreach($auditResults as $result)
@if ($result->map->count())
@if ($result->map->questionDetail->count())
@foreach($result->map->questionDetail as $detail)
@include('dropdownQuestion', [
'answer' => $result,
'detail' => $detail,
'question' => $detail->map->auditQuestion
])
@endforeach
@endif
@endif
@endforeach