What happens if session name is same on two different websites?

Question

I have a two diff. project on my XAMPP say it is Project1 and Project2.
When i login with Project1, i check authentic

Answer 1

User cannot access without log in because of following reasons,

The session data is stored on the server. If two applications are running on the same server and the same domain name, then the possibility is there for them to share session data. Otherwise no conflicts with session values, if the domains are different.