> For the complete documentation index, see [llms.txt](https://arrayutils.docs.present.kim/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arrayutils.docs.present.kim/methods/g/random/key.md).

# keyRandom()

{% code title="Example.php" %}

```php
<?php use kim\present\utils\arrays\ArrayUtils;

$arrayUtils = ArrayUtils::from(["Apple" => 0, "Banana" => 1, "Carrot" => 2]);

//Gets random key
$arrayUtils->keyRandom();
// output is random, so always different
```

{% endcode %}

## Syntax

```php
$arrayUtils->keyRandom() : int|string|null;
```

### Return value

* A random key from array. If array is empty, returns `NULL`.

## Prefixing

```php
ArrayUtils::keyRandomFrom(iterable $from) : int|string|null;
```

## References

{% embed url="<https://www.php.net/manual/en/function.array-rand>" %}