3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (one == "0") { echo "true\n"; }
Output for 5.5.0 - 7.1.0
Notice: Use of undefined constant one - assumed 'one' in /in/oLJ4t on line 1
Output for 4.3.0 - 5.4.45