Question

您好我正在创建一个数组，它将在我的网站中存储部分。其中一些部分将无法供某些用户查看，因此我需要在放入我的阵列之前检查相关用户的权限。但是当我这样做时，如果语句我得到一个我不想要的数组中的数组，这会导致以下错误：

Method Illuminate\View\View::__toString() must not throw an exception

这是我正在使用的代码：

$user = Auth::user(); 
 if(($user->hasRole('Admin') || $user->hasRole('Admin') || $user->hasRole('Project Master') || $user->hasRole('Project Owner'))) {
  $restrictsections = ['Create' => route('project.create'),
                       'Sort' => route('project.sort'),];
  }

$this->sections = [
    'Projects' => [
        'View' => route('project.index'),
        $restrictsections

    ]
];

现在，数组结构如下：

array(1) {
  ["Projects"]=>
  array(2) {
    ["Create"]=>
    string(30) "http://projects.local/projects"
    [0]=>
    array(2) {
      ["Create"]=>
      string(37) "http://projects.local/projects/create"
      ["Edit"]=>
      string(35) "http://projects.local/projects/sort"
    }
  }
}

相反：

  $this->sections = [
        'Project' => [
            'View' => route('project.index'),
            'Create' => route('project.create'),
             'Sort' => route('project.sort'),
        ]
    ];


array(1) {
  ["Project"]=>
  array(3) {
    ["View"]=>
    string(30) "http://projects.local/project"
    ["Create"]=>
    string(37) "http://projects.local/project/create"
    ["Sort"]=>
    string(35) "http://projects.local/project/sort"
  }
}

我是如何将两个数组合并在一起的？但其结构应如下：

array(1) {
  ["Project"]=>
  array(3) {
    ["View"]=>
    string(30) "http://projects.local/project"
    ["Create"]=>
    string(37) "http://projects.local/project/create"
    ["Sort"]=>
    string(35) "http://projects.local/project/sort"
  }
}

Answer 1

再创建一个

$this->sections = ['Projects' =>  $restrictsections];
$this->sections['Projects']['View'] = route('project.index');

Answer 2

您可以使用+运算符组合数组。

例如：

php > print_r(['View' => '1'] + ['Create' => 'two', 'Sort' => '3']);
Array
(
    [View] => 1
    [Create] => two
    [Sort] => 3
)

申请代码：

$user = Auth::user(); 
 if(($user->hasRole('Admin') || $user->hasRole('Admin') || $user->hasRole('Project Master') || $user->hasRole('Project Owner'))) {
  $restrictsections = ['Create' => route('project.create'),
                       'Sort' => route('project.sort'),];
  }

$this->sections = [
    'Projects' => [
        'View' => route('project.index')
    ] + $restrictsections
];

编辑：+在技术上是一个联合，所以如果第二个数组具有第一个数组中存在的键，它们将被忽略。

Answer 3

像这样使用array_merge()

$this->sections = [
    'Projects' => array_merge(
        ['View' => route('project.index')],
        $restrictsections
    )
];

或像这样使用+运算符

$this->sections = [
    'Projects' => ['View' => route('project.index')] + $restrictsections
];

php laravel array_merge键值

3 个答案: