$config['cache']['enabled'] = true;
$config['cache']['sessions'] = true;
$config['cache']['namespace'] = 'xf_';
$config['cache']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['config']  = array(
        'server' => '127.0.0.1',
        'port' => 6379,
        'connect_retries' => 2,
        'compress_data' => 6,
        'use_lua' => true,
        'serializer' => 'igbinary'
    );

$config['cache']['enabled'] = true;
$config['cache']['namespace'] = 'xf_';
$config['cache']['sessions'] = true;
$config['cache']['config'] = [
    'host' => '127.0.0.1'
];
$config['cache']['provider'] = function(array $config)
{
    if (!class_exists('Redis'))
    {
        throw new \LogicException("Cannot load Redis cache provider without Redis");
    }

    $config = array_replace([
        'host' => '',
        'port' => 6379,
        'timeout' => 0.0,
        'password' => '',
        'database' => 0,
        'persistent' => false,
        'persistent_id' => ''
    ], $config);

    $r = new \Redis();

    if ($config['persistent'])
    {
        $r->pconnect($config['host'], $config['port'], $config['timeout'], $config['persistent_id']);
    }
    else
    {
        $r->connect($config['host'], $config['port'], $config['timeout']);
    }

    if ($config['password'])
    {
        $r->auth($config['password']);
    }

    if ($config['database'])
    {
        $r->select($config['database']);
    }

    $cache = new \Doctrine\Common\Cache\RedisCache();
    $cache->setRedis($r);
    return $cache;
};