3v4l.org

run code in 300+ 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
as

preferences:
49.02 ms | 837 KiB | 4 Q