#基本用法$collection= collect(['name' => 'Desk', 'price' => 100]);$collection->contains('Desk');//true$collection->contains('New York');//false#也可以用 contains 方法匹配一对键/值,即判断给定的配对是否存在于集合中$collection=collect([ ['product' => 'Desk', 'price' => 200],['p...
Laravel 的集合 Collection简介Illuminate\Support\Collection 类提供了一个更具可读性的、更便于处理数组数据的封装。具体例子看下面的代码。我们使用了 collect 函数从数组中创建新的集合实例,对其中的每个元素运行 strtoupper 函数之后再移除所有的空元素:$...
如上面的代码示例,Collection 类支持链式调用,一般来说,每一个 Collection 方法会返回一个全新的 Collection 实例,你可以放心地进行链接调用。创建集合如上所述,collect 辅助函数会利用传入的数组生成一个新的 Illuminate\Support\Collection 实例。所以要创建一个集合就这么简单:$collection = collect([1, 2, 3]...
$collection = collect([ ['name' => 'Sally'], ['school' => 'Arkansas'], ['age' => 28] ]); $flattened = $collection->flatMap(function ($values) { return array_map('strtoupper', $values); }); $flattened->all(); // ['name' => 'SALLY', 'school' => 'ARKANSAS', 'age' ...
', 4 'between' => 'The :attribute must be between :min - :max.', 5 'in' => 'The :attribute must be one of the following types: :values', 6];Specifying A Custom Message For A Given AttributeSometimes you may wish to specify a custom error messages only for a specific field. ...
This allows you to easily perform further validation and even add more error messages to the message collection. To get started, call the after method on a validator instance:1$validator = Validator::make(/* ... */); 2 3$validator->after(function ($validator) { 4 if ($this->...
toValues method ThetoValuesmethod serializes the collection content. If the element is aPureEnum, it will return thenameof the case; otherwise, it will return thevalue. use\Datomatic\EnumCollections\EnumCollection; EnumCollection::from([Enum::CASE1,Enum::CASE2,Enum::CASE2])->toValues();//...
Laravel Version: 7.0.7 PHP Version: 7.3.15 PHPUnit Version: 8.5.2 Expected behavior: Collections toArray() method should convert a collection to a plain array and all of the collection's nested objects that are an instance of Arrayable t...
Route::resource('sessions','SessonsController',['only'=>['create','store','destroy']); Illuminate\Database\Eloquent\Collection and User::first() and User::all()->first() 参考Arrays on Steroids.mp4 User::all()将返回上述Collection对象,该对象又实现了多个interface: ArrayAccess, ArrayableInterfa...
If your parent array has only arrays with values that can be stored in the table, you can do DB::table('Data')->insert($data) https://laravel.com/docs/9.x/queries#insert-statements Level 1 vandOP Posted 2 years ago @MohamedTammami need using query builder like insert with w...