3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo $s="bla `pwd`";?>
Output for 4.3.0 - 5.4.29, 5.4.31 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
bla `pwd`
Output for 5.4.30

Process exited with code 137.