PHPDaemon\FS\FileSystem::statvfs PHP Method

    public static function statvfs($path, $cb, $pri = EIO_PRI_DEFAULT)
    {
        $cb = CallbackWrapper::forceWrap($cb);
        if (!self::$supported) {
            $cb($path, false);
            return false;
        }
        return eio_statvfs($path, $pri, $cb, $path);
    }