[PHP-INSTALL] http headers

I’m running Apache 2 with php4 on Windows XP.  Every file that is parsed seems to display the HTTP headers.  For instance when I run the phpinfo() test, I get the phpinfo screen ok, but at the top, all the header info is printed out too.  When I look at the source, the header information appears to be printing the document file first.

 

What am I doing wrong?

 

Thanks in advance,

Cindy