3v4l.org

run code in 300+ PHP versions simultaneously
<?php use Bar\Foo; echo foo::class; echo PHP_EOL; echo Foo::class;
Output for 8.1.0 - 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
Bar\Foo Bar\Foo
preferences:
62.12 ms | 974 KiB | 4 Q