3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $py = array("py" => "yo","hello"=>"fuck"); $yo = exec("/bin/sh echo yo"); echo $yo; var_dump($py); ?>
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
array(2) { ["py"]=> string(2) "yo" ["hello"]=> string(4) "fuck" }
Output for hhvm-3.10.0 - 3.12.0
Failed to exec: `/bin/sh echo yo'array(2) { ["py"]=> string(2) "yo" ["hello"]=> string(4) "fuck" }