3v4l.org

run code in 300+ PHP versions simultaneously
<?php use int as I; function foo(I $v) {}
Output for 7.4.0 - 7.4.30, 8.0.1 - 8.0.22, 8.1.0 - 8.1.9
Fatal error: Cannot use 'int' as class name as it is reserved in /in/nNOgL on line 5
Process exited with code 255.
preferences:
154.82 ms | 996 KiB | 7 Q