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<?php
/**
* This file is part of phpab/phpab. (https://github.com/phpab/phpab)
*
* @link https://github.com/phpab/phpab for the canonical source repository
* @copyright Copyright (c) 2015-2016 phpab. (https://github.com/phpab/)
* @license https://raw.githubusercontent.com/phpab/phpab/master/LICENSE.md MIT
*/
namespace PhpAb\Variant\Chooser;
use PhpAb\Variant\VariantInterface;
* A variant chooser that makes its choice randomly.
* @package PhpAb
class RandomChooser implements ChooserInterface
{
* {@inheritDoc}
* @param VariantInterface[] $variants Variants to choose from
public function chooseVariant($variants)
$count = count($variants);
if (0 === $count) {
return null;
}
$chosenCount = mt_rand(0, $count - 1);
$keys = array_keys($variants);
return $variants[$keys[$chosenCount]];
phpab /
phpab
