3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo `/usr/bin/php echo 1;`;
Output for 4.3.0 - 5.3.28, 5.4.0 - 5.4.25, 5.4.41 - 7.2.6
Output for 5.3.29, 5.4.26 - 5.4.40
sh: 1: /usr/bin/php: not found