[V5˖] The cache statistics

The V5 introduce a new driverStatistic object. You can extend a specific driver like this:

 $driverInstance = CacheManager::getInstance('driverName');
 $stats = $driverInstance->stats();// Returns a driverStatistic object
 $stats->getSize();// Returns the size taken by the cache instance

Method	Description
getInfo():string	Return a quick information about the driver instance
getSize():int	Return the approximate size taken by the driver instance (in bytes)
getData:array	Return an array of item keys used by this driver instance
getRawData:mixed	Return a bunch of random data provided by the driver himself. Any type can be provided, generally an array however