+
+ if (isset($redis_pw) && !$this->redis->auth($redis_pw)) {
+ throw new Exception('Cannot authenticate redis server at ' . $redis_host . ':' . $redis_port);
+ }
+
+ if ($redis_db !== 0 && !$this->redis->select($redis_db)) {
+ throw new Exception('Cannot switch to redis db ' . $redis_db . ' at ' . $redis_host . ':' . $redis_port);
+ }