Array
(
    [0] => /srv/app/zumba/htdocs
    [sleep 12 >/dev/null 2>&1 &] => 0
    [out1] => 
    [----] => ....
    [out2] => app       151365  0.0  0.1   2696  1536 ?        S    00:09   0:00 sleep 12
/usr/bin/php
    [ps aux | grep slee[p]; which php] => 0
)