PHP: exec() doesn't run in the background even with “>/dev/null 2>&1 &”

Question

I\'m calling this in my php script:

    exec(\"gutschein.php >/dev/null 2>&1 &\");

Calling the script (generates a pdf and s

Answer 1

Try system and/or passthru. I've had issues with exec before because it halts trying to fill the return array with data until the process has finished.

These will both echo raw output so even if they work you may need to handle that with a discarded output buffer.