3v4l.org

run code in 300+ PHP versions simultaneously
<?php define(myvalue, "10"); $a = false; $b = true; $c = false; if ($a ? $b : $c) { echo "false"; } else { echo "true"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "myvalue" in /in/BiMlG:3 Stack trace: #0 {main} thrown in /in/BiMlG on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant myvalue - assumed 'myvalue' (this will throw an Error in a future version of PHP) in /in/BiMlG on line 3 true
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant myvalue - assumed 'myvalue' in /in/BiMlG on line 3 true

preferences:
203.08 ms | 402 KiB | 227 Q