Possible For Sessions To Work Under PHP5 And Not Under PHP4.
I'm writing an web application with PHP/MySQL. I used PHP5 but believed
to use code that would work also under PHP4. However when I tried my
application under PHP4 I got the warning that the headers are already
sent and my session did not work. I do understand that I have to send
the headers before anything else. But does anyone know what kind of
difference between PHP4 and PHP5 makes it possible for sessions to work
under PHP5 and not under PHP4.
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