array_rand

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8

Pick one or more random keys out of an array

<?php array_rand(array $array, int $num = 1): int|string|array

doctrine/dbal

<?php             return $params['primary'];

        }



        $config = $params['replica'][array_rand($params['replica'])];



        if (! isset($config['charset']) && isset($params['primary']['charset'])) {

            $config['charset'] = $params['primary']['charset'];

src/Connections/PrimaryReadReplicaConnection.php