3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if(print Hello and print chr(101) and print chr(108) and print chr(101) and print chr(111) and print chr(44) and print chr(101) and print chr(101) and print chr(101) and print chr(101) and print chr(101) ){} /*if (print chr(72)) if (print chr(101)) if (print chr(108)) if (print chr(111)) if (print chr(44)) if (print chr(32)) if (print chr(87)) if (print chr(111)) if (print chr(114)) if (print chr(108)) if (print chr(100)) if (print chr(33)) { }*/
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant Hello - assumed 'Hello' in /in/RPdpD on line 2 Helloeleo,eeeee
Output for 4.3.0 - 5.6.28
Notice: Use of undefined constant Hello - assumed 'Hello' in /in/RPdpD on line 3 Helloeleo,eeeee