3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('US/Eastern'); $foo = new DateTime(); $bar = new DateTime(date('Y-m-d H:i:s -01:00', time())); $diff = $bar->diff($foo, false); print_r($foo); print_r($bar); print_r($diff);

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)
8.1.70.0030.00717.46
8.0.190.0120.00416.97
preferences:
29.83 ms | 401 KiB | 5 Q