> For the complete documentation index, see [llms.txt](https://docs.sonsofphp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sonsofphp.com/components/cookie.md). # Cookie ### Installation ```shell composer require sonsofphp/cookie ``` ### Usage A Cookie is treated as a value object. This means that if two cookie objects have the same name and value, they will be considered equal. They are also considered to be immutable. ```php getHeaderValue()); // OR // header('Set-Cookie: ' . (string) $cookie); // Set various attributes $cookie = $cookie ->withPath('/') ->withDomain('docs.sonsofphp.com') ; ```