Re: [Discussion] Cookies Having Independent Partitioned State (CHIPS)

> On Jul 5, 2025, at 06:52, Dmitry Derepko <xepozzd@gmail.com> wrote: > > Hi, Internals! > > A few days ago I faced some Cookie limitations, solutions led me to the CHIPS specification. > > Link: > https://developer.mozilla.org/en-US/docs/Web/Privacy/Guides/Privacy_sandbox/Partitioned_cookies > > The idea of the CHIPS implementation is to add a new Cookie part named "Partitioned". > > When I set this flag using setcookie function, there was error: > https://3v4l.org/WDpDX > > The error raises here: > > https://github.com/php/php-src/blob/5853cdb73db85c75d5f558a8cf92161a31291de0/ext/standard/head.c#L205-L220 > > The workaround is to use the "header" function, which allows any strings inside. > > I want to allow the "Partitioned" key to be set. Shall I open RFC or is it possible > to create only PR with improvements? > Also, I think it may be backported to all the actual PHP versions. > > -- > Best regards, > Dmitrii Derepko. > @xepozz The Partitioned parameter isn’t supported in Firefox or Safari. From what I can tell, it’s only supported in Chromium-based browsers. Safari 18.4 supported it, but they removed the support in 18.5. I’d like to understand why, but I haven’t been able to find anything on it. Cheers, Ben

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