Yes, believe it or not, when i was writing this, i thought about a db soln
as well. Just hadnt done it that way back then.

I guess with Linux one could do something like:

shell_exec('{longexecutingprogram -with -params; mysql -uuser -ppass
database query; } &');

Surely it should be possible in windows as well somehow. Does anyone know
how (easily)? I mean i could write a win32 executable that could do it but
that might be overkill.

But still you have to continuously check the database if the value is the
expected which seems kind of unelegant.

Or, you could call a php script at the end like so:
shell_exec('{longexecutingprogram -with -params; php myscript.php with
params; } &');

In myscript.php you could have something like:

// send request back to user whos ip and headers would have to be saved and


Would this work? Maybe one could write a library for that directly in php...

So you could actually have a exec_async function without having to write a
php module or something like that. I would be interested in writing a php
module at some point anyway though. I know c(++), so it should be doable.

Is it possible to retrieve the session variables of a user in php cli?


Tim-Hinnerk Heuer
George Burns  - "I would go out with women my age, but there are no women my

2009/2/19 Ashley Sheridan <>

> On Thu, 2009-02-19 at 10:30 +1300, German Geek wrote:
> > Hi all,
> >
> > A while ago, i had a problem with shell_exec:
> >
> > I was writing some code to execute imagemagick to convert a bunch of
> images.
> > This could take ages to execute and the page therefore ages to load. The
> > solution was to get a linux box and append a & at the end to do it in the
> > background or make a ajax call to a page that does it in batches. The
> > problem was really that i had to write a file that is then checked
> against
> > to know when it was finished... Not very pretty.
> >
> > Anyway, would it be possible to make a "new" shell_exec_async function in
> > php that just starts the process, puts it to the background and calls a
> > callback function or another script with parameters when it finishes? I
> > guess a callback function is not really going to work because the page
> needs
> > to finish execution. It should be possible with PHP forking though.
> >
> > Anyway, just an idea.
> >
> > Regards,
> > Tim
> >
> > Tim-Hinnerk Heuer
> >
> >
> > Emo Philips  - "I was the kid next door's imaginary friend."
> What about calling a shell script with the exec call, and as the last
> instruction (or continually throughout its execution) it can update a
> database entry. Your PHP code can then look to see if said entry either
> exists or is in the right state. It should be faster and prettier than
> writing a file.
> Ash

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