3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(array $bar) {} for ($i = 0; $i < 1000000; $i++) foo([]);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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 - 8.3.7
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/110SL on line 5
Process exited with code 255.

preferences:
270.84 ms | 401 KiB | 416 Q