3v4l.org

run code in 300+ PHP versions simultaneously
<?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 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "Hello" in /in/RPdpD:2 Stack trace: #0 {main} thrown in /in/RPdpD on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
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 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant Hello - assumed 'Hello' in /in/RPdpD on line 2 Helloeleo,eeeee
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Notice: Use of undefined constant Hello - assumed 'Hello' in /in/RPdpD on line 3 Helloeleo,eeeee

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