deleteValue() protected method Deletes a value with the

addValue() protected method Stores a value identified

$cachePath public property The directory to store cache files

$gcProbability public property The probability (parts per million)

getValue() protected method Retrieves a value from cache

getCacheFile() protected method Returns the cache file

$keyPrefix public property A string prefixed to every cache key

$cacheFileSuffix public property Cache file suffix. Defaults to

$dirMode public property The permission to be set for newly created

exists() public method Checks whether a specified key