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run code in 200+ php & hhvm versions
Bugs & Features
<?php $startYear = 2014; $lastTaken = 2015; $recurrenceYears = 3; $nextRequirement = ($lastTaken + ($lastTaken % $recurrenceYears) - $startYear); var_dump($nextRequirement);
based on bga99
Output for 4.3.0 - 7.2.0
int(3)