run code in 300+ PHP versions simultaneously
<?php var_dump([ filter_var('1', FILTER_VALIDATE_INT), filter_var('1dfdsfsd', FILTER_VALIDATE_INT), filter_var('1 zemlekop', FILTER_VALIDATE_INT), filter_var('0,5', FILTER_VALIDATE_INT), filter_var('0.5', FILTER_VALIDATE_INT), ]);

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)

39.56 ms | 401 KiB | 5 Q