3v4l.org

run code in 300+ PHP versions simultaneously
<?php // lint >= 8.4 namespace AbstractFinalHook; abstract class User { abstract public string $foo { final get; } }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.40.0140.00719.21

preferences:
133.91 ms | 993 KiB | 7 Q