> 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/isnumeric.md).

# isNumeric

#### Definition

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

#### Description

Check if array contain only numeric values

#### Examples

```php
Arr::isNumeric([1, '2', '3e10', 5.0002]) -> true

Arr::isNumeric([1, '2', '3e10', 5.0002, 'a']) -> false
```