public function checkConnectionDetails($host, $port, $timeout, $password)
{
$redis = new Redis();
$redis->setConfig($host, $port, $timeout, $password);
if (!$redis->testConnection()) {
throw new \Exception('Connection to Redis failed. Please verify Redis host and port');
}
$version = $redis->getServerVersion();
if (version_compare($version, '2.8.0') < 0) {
throw new \Exception('At least Redis server 2.8.0 is required');
}
}
