3v4l.org

run code in 300+ PHP versions simultaneously
<?php $startYear = 2014; $lastTaken = 2014; $recurrenceYears = 3; $nextRequirement = $startYear + ($lastTaken - ($lastTaken % $recurrenceYears) - $startYear); var_dump($nextRequirement);

preferences:
38.69 ms | 402 KiB | 5 Q