3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(-1); exec('ps -A -o pid,command | grep [r]esque', $cmdOutput);
based on Ap0BC
Output for 5.6.28, 7.0.14 - 7.1.0
Output for 4.3.2 - 5.6.25, 7.0.0 - 7.0.10
Warning: exec(): Unable to fork [ps -A -o pid,command | grep [r]esque] in /in/cDM6d on line 4
Output for 4.3.0 - 4.3.1
Warning: exec() [http://www.php.net/function.exec]: Unable to fork [ps -A -o pid,command | grep [r]esque] in /in/cDM6d on line 4