Re: Re: cookie management

> On Feb 19, 2018, at 6:24 AM, Christoph M. Becker <cmbecker69@gmx.de> wrote: > > On 16.02.2018 at 22:04, Jeffry Killen wrote: > >> I am working on a project that has to manage >> cookies both by php and by javascript. >> >> A cookie is set for a user. >> >> Now if the same user opens a new window in the browser and navigates to the same page >> that set the cookie in the first window, how will the server be able to differentiate, >> assuming >> the cookie has the same name, set in the same client in both opened windows? The second >> would overwrite the first if the values are different, right? > > Yes. > >> I am thinking of cookie arrays but I am not sure that would be the solution. > > You can store an *arbitrary* string in a cookie (note that there are > usually rather tight limits regarding the size of all cookies of a > domain, though). You could store a JSON string inside the cookie, or > use multiple cookies. However, that wouldn't appear to solve your issue. > > It seems to me that the problem is: "how will the server be able to > differentiate". Why should the server differentiate which tab made the > request, at all? > > -- Thank you for the reply: > Why should the server differentiate which tab made the > request, at all? I just want to know if it was possible for a user to have two sessions opened to the same domain at the same time from the same client. I am working on a modular registration and log in - log out system. So I play the role of both the user who would be using my work, and the developer. I am anticipating potential difficulties owing to this sort of situation. JK