3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_export($object?->doThing('foo'));
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Warning: Undefined variable $object in /in/D9E1m on line 3 NULL
preferences:
56 ms | 863 KiB | 4 Q