> For the complete documentation index, see [llms.txt](https://minwork.gitbook.io/array/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://minwork.gitbook.io/array/validating-array/haskeys.md).

# hasKeys

#### Definition

```php
Arr::hasKeys(array $array, mixed $keys, bool $strict = false): bool
```

#### Description

Check if array has specified keys ( all required, when `$strict` is `true`).

#### Examples

```php
$array = ['key1' => 1, 'key2' => 2, 'key3' => 3];

Arr::hasKeys($array, ['key2', 'key3']) -> true

Arr::hasKeys($array, 'key1.key2') -> true

Arr::hasKeys($array, ['test', 'key1']) -> true

Arr::hasKeys($array, ['test', 'key1'], true) -> false

Arr::hasKeys($array, 'test') -> false
```