3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Toto { public \DateTime $foo = new \DateTime(); }

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)
8.4.140.0330.01017.42

preferences:
146.67 ms | 1010 KiB | 7 Q