/** * Varien Objects Cache * * @param string $key optional, if specified will load this key * @return Varien_Object_Cache */ public static function objects($key = null) { if (!self::$_objects) { self::$_objects = new Varien_Object_Cache(); } if (is_null($key)) { return self::$_objects; } else { return self::$_objects->load($key); } }