public static function getInstance() { if (is_null(self::$instance)) { self::$instance = new AppCacheManifest(); } return self::$instance; }
public static function getInstance() { if (is_null(self::$instance)) { self::$instance = new AppCacheManifest(); self::$debug = defined("BX_APPCACHE_DEBUG") && BX_APPCACHE_DEBUG; } return self::$instance; }