3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo public function Foo() { } } new Foo();

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)
7.1.70.0090.00617.09

preferences:
138.76 ms | 1394 KiB | 7 Q