3v4l.org

run code in 200+ 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 7.2.0 - 7.2.6
Warning: Use of undefined constant Hello - assumed 'Hello' (this will throw an Error in a future version of PHP) in /in/RPdpD on line 2 Helloeleo,eeeee
Output for 7.0.0 - 7.1.20
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