3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo foo(); define('SPIDERMAN','peter parker'); function foo () { $x = 'spiderman is ' . SPIDERMAN; return $x; } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "SPIDERMAN" in /in/6RsWp:8 Stack trace: #0 /in/6RsWp(3): foo() #1 {main} thrown in /in/6RsWp on line 8
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 SPIDERMAN - assumed 'SPIDERMAN' (this will throw an Error in a future version of PHP) in /in/6RsWp on line 8 spiderman is SPIDERMAN
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, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant SPIDERMAN - assumed 'SPIDERMAN' in /in/6RsWp on line 8 spiderman is SPIDERMAN

preferences:
299.25 ms | 404 KiB | 389 Q