3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { private array $code = []; function foo() { return var_export($this->code, true); } } var_dump((new X())->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)
8.5.30.0120.00618.40

preferences:
34.57 ms | 403 KiB | 5 Q