APC storage for nsVarCache class.
$field - name of the variable queried$field from cache storage.abstract public function loadValue($field);
Loads variable from database.
$field - name of the variable queried$value - value to be storedtrue on success or false on failureabstract public function storeValue($field, $value);
Stores variable to database.
$fields - array of variables to preloadtrue on success or false on failure.abstract public function preload($fields);
Preloads an array of variables from database.
abstract public function gc();
Garbage collector. Deletes all expired variables from database.
$field - name of the variable queried$field or false if fails.abstract public function getField($field);
$field - name of the variable$field or false if fails.abstract public function setField($field);