> 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/isarrayofarrays.md).

# isArrayOfArrays

#### Definition

```php
Arr::isArrayOfArrays(array $array): bool
```

#### Description

Check if every array element is array

#### Examples

```php
Arr::isArrayOfArrays([]) -> false

Arr::isArrayOfArrays([[], []]) -> true

Arr::isArrayOfArrays([1, 2 => []]) -> false
```