3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function () { echo 'foo'; })();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.6
foo
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/PV7d2 on line 5
Process exited with code 255.
preferences:
241.15 ms | 402 KiB | 337 Q