3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "hello world"; php?>
Output for 7.2.0 - 7.3.0alpha1
hello world Warning: Use of undefined constant php - assumed 'php' (this will throw an Error in a future version of PHP) in /in/iFUsR on line 3
Output for 4.3.0 - 7.1.10
hello world Notice: Use of undefined constant php - assumed 'php' in /in/iFUsR on line 3