---
name: "Plack::Middleware::Header"
section: "3pm"
platform: "linux"
package: "libplack-middleware-header-perl"
version: "0.04-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Plack::Middleware::Header"
---

# Plack::Middleware::Header(3pm)

modify HTTP response headers

## NAME

Plack::Middleware::Header - modify HTTP response headers

## SYNOPSIS

```
  use Plack::Builder;

  my $app = sub {['200', [], ['hello']]};
  builder {
      enable 'Header',
        set => ['X-Plack-One' => '1'],
        append => ['X-Plack-Two' => '2'],
        unset => ['X-Plack-Three'];
      $app;
  };
```

## DESCRIPTION

Plack::Middleware::Header

## AUTHOR

Masahiro Chiba

## LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

## SEE ALSO

Plack::Middleware Plack::Builder