3v4l.org

run code in 500+ PHP versions simultaneously
<?php $b=42; (function($b){ echo $b; })($b);
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/FPThe on line 6
Process exited with code 255.
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 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
42
preferences:
22.82 ms | 1140 KiB | 9 Q