run code in 300+ PHP versions simultaneously
<?php $date_now = date("Y-m-d"); // this format is string comparable if ('2023-03-18' > '2023-04-02') { echo 'greater than'; }else{ echo 'Less than'; }

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)

11.19 ms | 402 KiB | 5 Q