Online PHP editor | refs for ZNpJW

@ 2014-10-30T16:53:43Z

<?php

$startYear = 2014;
$lastTaken = 2015;
$recurrenceYears = 3;

$nextRequirement = $lastTaken + ($recurrenceYears - (($lastTaken - $startYear) % $recurrenceYears));
var_dump(($lastTaken - $startYear) % $recurrenceYears);
var_dump($nextRequirement);