3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(\Foo\Bar&\Foo\Baz $param = null) { var_dump($param); } foo(null);

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)
8.2.110.0140.00821.29
8.1.110.0020.00617.28

preferences:
145.54 ms | 1394 KiB | 7 Q