3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?=pi;
based on FdeLg
Output for 7.2.0
Warning: Use of undefined constant pi - assumed 'pi' (this will throw an Error in a future version of PHP) in /in/KjI4P on line 1 pi
Output for 5.4.11 - 7.1.10
Notice: Use of undefined constant pi - assumed 'pi' in /in/KjI4P on line 1 pi
Output for 5.3.21 - 5.3.29
<?=pi;