3v4l.org

run code in 300+ PHP versions simultaneously
<?php function something() { return function () { echo 'hello world'; }; } something()();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
hello world
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/eGWoB on line 8
Process exited with code 255.
preferences:
178.7 ms | 402 KiB | 227 Q