3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo foo::class; echo PHP_EOL; echo Bar\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 - 8.4.21, 8.5.0 - 8.5.7
foo Bar\Foo
preferences:
73.45 ms | 989 KiB | 4 Q