Forget the question -- I found the link I needed:

"Jason Caldwell" <[EMAIL PROTECTED]> wrote in message
> Can someone explain output_buffering to me?  I looked on -- but
> cannot find reference to it -- it's a setting in the PHP.INI file.
> In my *production* .ini version, the output_buffering tag is set to 4096
> (4k) -- what exactly is the intent of this tag?
> What brought this question up was when I upgraded from 4.1.1 to 4.2.1, and
> this time decided to use the production level .ini file -- when I ran a
> script from my command line -- no output was appearing -- that is, I have
> print() functions throughout my looping script -- and it wasn't
> outputting -- I set the output_buffering tag to equal 0 -- and my looping
> script now displays the text I want it to.
> Is it that when a script exits or terminates that this 4k buffer gets
> flushed out (in this case) to my screen?
> What additional processing occurs if this tag is set to off, or 0 (zero) ?
> Thanks
> Jason

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