---
layout: docs
title: isSignedByAnySigner
id: class.Facebook.HackCodegen.SignedSourceBase.isSignedByAnySigner
docid: class.Facebook.HackCodegen.SignedSourceBase.isSignedByAnySigner
permalink: /docs/reference/class.Facebook.HackCodegen.SignedSourceBase.isSignedByAnySigner/
---
# Facebook\\HackCodegen\\SignedSourceBase::isSignedByAnySigner()




``` Hack
public static function isSignedByAnySigner(
  string $data,
): bool;
```




## Parameters




* ` string $data `




## Returns




- ` bool `