3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nums = []; for ($i = 1; $i <= 24; $i++) { $nums[] = $i; } print_r($nums); $days = []; foreach ($nums as $num) { $day = array_rand($nums); $days[] = $day; unset($nums[$day]); } print_r($nums); print_r($days);

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)
7.1.230.0220.00613.82

preferences:
35.54 ms | 400 KiB | 5 Q