keyRandom()

The keyRandom() method returns random key

Example.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

Syntax

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

Return value

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

Prefixing

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

References

PHP: array_rand - Manual