3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo(int|string|int $p) {}
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Duplicate type int is redundant in /in/FFjpT on line 3
Process exited with code 255.
preferences:
44.69 ms | 724 KiB | 3 Q