Can someone explain to me what the difference between Session and Global Variables is? I can't seem to find an online resource that effectively summarizes their differences.
Also take a look at the following script:
I've done OOP before (in C++ and Java) - my main question is how is it allowing a user to persist? It seems like every time a user goes to a new page a new database, session, etc objects have to be created...what's the point?