getValue() protected method Retrieves a value from cache

$gcProbability public property The probability (parts per million)

deleteValue() protected method Deletes a value with the

getValues() protected method Retrieves multiple values

flushValues() protected method Deletes all values from

$cacheTable public property Name of the DB table to store cache

setValue() protected method Stores a value identified

gc() public method Removes the expired data values.

$db public property The DB connection object or the application

addValue() protected method Stores a value identified