/**
* Clears the persistent storage.
*
* Clears the persistent storage, i.e. removes all keys. Locks are left
* intact.
*
* @return void
*/
public abstract function clear();
/**
* Retrieve an external iterator
*
* Returns an external iterator.
*
* @param string|null $filter A PCRE regular expression.
* Only matching keys will be iterated over.
* Setting this to NULL matches all keys of this instance.
* @param bool $keysOnly Whether to return only the keys,
* or return both the keys and values.
*
* @return \Traversable An array with all matching keys as array keys,
* and values as array values. If $keysOnly is TRUE, the array keys are
* numeric, and the array values are key names.
*/
public abstract function getIterator($filter = null, $keysOnly = false);
}
SHM::registerAdapter('\\' . __NAMESPACE__ . '\\SHM\\Adapter\\Placebo');
SHM::registerAdapter('\\' . __NAMESPACE__ . '\\SHM\\Adapter\\Wincache');
SHM::registerAdapter('\\' . __NAMESPACE__ . '\\SHM\\Adapter\\APCu');
SHM::registerAdapter('\\' . __NAMESPACE__ . '\\SHM\\Adapter\\APC');
