dbSize example

$info = [];
            $apcInfo = apcu_cache_info('user');
            $info['files'] = $apcInfo['num_entries'];
            $info['size'] = $this->encodeSize($apcInfo['mem_size']);
            $apcInfo = apcu_sma_info();
            $info['freeSpace'] = $this->encodeSize($apcInfo['avail_mem']);
        } elseif ($backendCache instanceof Zend_Cache_Backend_Redis) {
            $info = [];

            /** @var Redis $redis */
            $redis = $backendCache->getRedis();
            $info['files'] = $redis->dbSize();
            $info['size'] = $this->encodeSize($redis->info()['used_memory']);
        } else {
            $dir = null;

            if (!empty($this->cacheConfig['backendOptions']['cache_dir'])) {
                $dir = $this->cacheConfig['backendOptions']['cache_dir'];
            } elseif (!empty($this->cacheConfig['backendOptions']['slow_backend_options']['cache_dir'])) {
                $dir = $this->cacheConfig['backendOptions']['slow_backend_options']['cache_dir'];
            }
            $info = $this->getDirectoryInfo($dir);
        }

        

        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->config(...\func_get_args());
    }

    public function connect($host, $port = null, $timeout = null, $retry_interval = null)
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->connect(...\func_get_args());
    }

    public function dbSize()
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->dbSize(...\func_get_args());
    }

    public function debug($key)
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->debug(...\func_get_args());
    }

    public function decr($key)
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->decr(...\func_get_args());
    }

    

        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->connect(...\func_get_args());
    }

    public function copy($src, $dst, $options = null): \Redis|bool
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->copy(...\func_get_args());
    }

    public function dbSize(): \Redis|false|int
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->dbSize(...\func_get_args());
    }

    public function debug($key): \Redis|string
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->debug(...\func_get_args());
    }

    public function decr($key, $by = 1): \Redis|false|int
    {
        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->decr(...\func_get_args());
    }