Bug in php 7.3

[jq153387]

Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in
\libraries\windwalker\vendor\windwalker\filesystem\Iterator\ArrayObject.php on line 454

foreach ($ar as $k => $v) {
  switch ($k) {
		case 'flag':
			$this->setFlags($v);
			break;
		case 'storage':
			$this->exchangeArray($v);
			break;
		case 'iteratorClass':
			$this->setIteratorClass($v);
			break;
		case 'protectedProperties':
			continue 2;  //"continue" uses "continue 2" to resolve this error
		default:
			$this->__set($k, $v);
	}
}