Posted by ECRIA Public Mail Buffer on 11/30/47 11:28

> exec /replaces/ PHP with the filter, so if PHP hasn't written the headers
> by then, it never will.
A fallacious assertion. Once your command is run, your PHP script proceeds
with execution. It does not die as a result of the call to exec().

Even if your program produces no specific output string, headers will be
sent. All you can do is control *when* the headers get sent, by printing (or
echoing) a string. If you don't do this, the headers are sent after the last
line of your script.

ECRIA
http://www.ecria.com

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