3v4l.org

run code in 500+ PHP versions simultaneously
<?php trait t { function as() { echo 'as'; } } class x { use t { as as as ;} } (new x)->as(); // prints as
Output for 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
as

preferences:
55.36 ms | 872 KiB | 4 Q