Laravel 8 Arr::accessible() {#collection-method .first-collection-method}

Arr::accessible 函数检查给定值是否可数组式访问：

use Illuminate\Support\Arr;
use Illuminate\Support\Collection;

$isAccessible = Arr::accessible(['a' => 1, 'b' => 2]);

// true

$isAccessible = Arr::accessible(new Collection);

// true

$isAccessible = Arr::accessible('abc');

// false

$isAccessible = Arr::accessible(new stdClass);

// false