3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $vara = "hello"; $varb = "hell".o; echo(strcmp($vara,$varb));
based on W3ai0
Output for 7.2.0
Warning: Use of undefined constant o - assumed 'o' (this will throw an Error in a future version of PHP) in /in/B2Gns on line 3 0
Output for 5.3.21 - 7.1.10
Notice: Use of undefined constant o - assumed 'o' in /in/B2Gns on line 3 0