static function cache($cache = null)
{
if (!is_null($cache)) {
if (!$cache instanceof clCache) {
throw new Exception('Object %s does not inherit from clCache', get_class($object));
}
self::$cache = new clStash($cache);
}
if (!self::$cache) {
try {
// default is FileCache
$class = COREYLIB_DEFAULT_CACHE_STRATEGY;
$cache = new $class();
self::$cache = new clStash($cache);
} catch (Exception $e) {
clApi::log($e, E_USER_WARNING);
return false;
}
}
return self::$cache;
}
