24 return in_array($class_name, array_keys(self::$cache));
31 public static function store($class_name) {
32 self::$cache[$class_name] = arFactory::getInstance($class_name, NULL);
41 public static function get($class_name) {
42 if (!self::isCached($class_name)) {
46 return self::$cache[$class_name];
53 public static function purge($class_name) {
54 unset(self::$cache[$class_name]);