Possible duplicate:How unique is the php session id
Could there be a duplicate PHP session id?
I did not have this problem, but I want to see if this could be a problem in the future.
In most cases, this is possible, but unlikely.
If I were one of the php developers, I would clarify that the generated session identifier matches any of the existing ones, and generate a new one until I get unique data. And if I see this way, I'm sure php developers really