/PHP/Laravel/ErrorException Undefined index(laravel 7 array helpers)

ErrorException Undefined index(laravel 7 array helpers)

use Illuminate\Support\Arr;

$array = ['name' => 'John Doe', 'age' => 17];

$exists = Arr::exists($array, 'name');

// true

$exists = Arr::exists($array, 'salary');

// false

Source: laravel.com

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