Laravel 8 Arr::pluck() {#collection-method}
Arr::pluck 函数从数组中检索给定键的所有值：
use Illuminate\Support\Arr;
$array = [
['developer' => ['id' => 1, 'name' => 'Taylor']],
['developer' => ['id' => 2, 'name' => 'Abigail']],
];
$names = Arr::pluck($array, 'developer.name');
// ['Taylor', 'Abigail'] 你也可以指定结果的键：
use Illuminate\Support\Arr;
$names = Arr::pluck($array, 'developer.name', 'developer.id');
// [1 => 'Taylor', 2 => 'Abigail']