Laravel 视图所拥有的 foreach 指令是与 PHP 中使用的 foreach 方法有着同样的用法。 @foreach 比起常规的 foreach 更加强大,因为他在每一个 $foreach 循环中内置了 $loop 变量。 $loop 变量是一个 stdClass 对象,...
@foreach ($users as $user) @if ($loop->first) This is the first iteration. @endif @if ($loop->last) This is the last iteration. @endif This is user {{ $user->id }} @endforeach Copy 当然他还有其他可用属性例如: $loop->iteration 和 $loop->count....
控制器中的laravel foreach循环因为您无法循环表中具有特定列（$product->sku）的模型。因此，必须在整个...
Laravel blade has a foreach directive that we can use the same way as we use the foreach loop in PHP.@foreachdirective is more powerful than a normal foreach loop because of the$loopvariable that is available inside every$foreachloop. The$loopvariable is astdClassobject and it provides ...
Laravel是一种流行的PHP开发框架,它提供了强大的数据库查询功能。在Laravel中,可以使用子查询和foreach来进行复杂的数据库查询操作。 子查询是指在一个查询语句中嵌套另一个查询语句。它可以用来获取满足某些条件的数据集合,然后将这些数据集合作为外部查询的一部分进行进一步的筛选和处理。子查询可以嵌套多层,以实现更...
Blade 中的 $loop 魔术变量#Laracasts 上关于此功能的免费视频 video tutorial。当我们在 Blade 模板中循环遍历的时候,$loop 魔术变量将会在循环中生效。通过该变量可以访问很多有用的信息,比如当前循环索引值,以及当前循环是第一个还是最后一个:@foreach ($users as $user) @if ($loop->first) This is the ...
However, since the to method appends email addresses to the mailable's list of recipients, each iteration through the loop will send another email to every previous recipient. Therefore, you should always re-create the mailable instance for each recipient:...
Eloquent scopes now respect the leading boolean of scope constraints. For example, if you are starting your scope with anorWhereconstraint it will no longer be converted to normalwhere. If you were relying on this feature (e.g. adding multipleorWhereconstraints within a loop), you should veri...
use Laravel\Pennant\Feature; foreach ($users as $user) { if (Feature::for($user)->active('notifications-beta')) { $user->notify(new RegistrationSuccess); } }Assuming we are using the database driver, this code will execute a database query for every user in the loop - executing ...
$loop 变量在循环控制结构中,我们要重磅介绍的就是 Blade 模板为@foreach和@forelse循环结构提供的...$loop变量了,通过该变量,我们可以在循环体中轻松访问该循环体的很多信息,而不用自己编写那些恼人的面条式代码,比如当前迭代索引、嵌套层级、元素总量、当前索引在循环中的位置等,$loop实例上有以下属性可以直接...