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

All output must be redirected, else the script will hang as long as gutschein.php executes. Try

exec('/usr/bin/php gutschein.php &> /dev/null &');