Posted by Andy Hassall on 08/20/07 20:39

On Mon, 20 Aug 2007 19:33:58 -0000, jdbartlett <contact@jdbartlett.com> wrote:

>I'm trying to capture output from a command line utility (XMLSec), but
>only get an empty result. If I call the script from the command line,
>I see XMLSec's output, but I can't seem to capture it!
>
>My PHP installation is working correctly and captures other command
>line output just fine, XMLSec is the only exception I've found. I've
>also tried a couple of other systems to confirm this behavior.
>
>Capture methods I've tried include:
>
>- shell_exec
>
>- exec, with and without output array
>
>- system
>
>- passthru combined with output buffering
>
>- fread-ing from popen('xmlsec1...', 'r')
>
>- proc_open
>
>I get the same result for each of these: an empty string (or array in
>the case of exec's $output).
>
>Any idea what's happening here? Any help would be much appreciated.

Is it writing to stderr (standard error) instead of stdout (standard output)?
--
Andy Hassall :: andy@andyh.co.uk :: http://www.andyh.co.uk
http://www.andyhsoftware.co.uk/space :: disk and FTP usage analysis tool

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