PHP programming forum. Ask questions or help people concerning PHP code. Don't understand a function? Need help implementing a class? Don't understand a class? Here is where to ask. Remember to do your homework!
yes session ids will be resued. theres only a finite amount of ids it can issue, so eventually, all ids will be duplicates. but its a pretty big number of diff ids......
but thats why garbage collection is done frequently on the session files.
I believe that the id is built by doing an md5 on the timestamp so in theory they are unique. I have heard rumours that an md5 collision has been proven though.