Online PHP editor | refs for PC549

@ 2014-11-17T07:35:23Z

<?php
$date1 = new DateTime('2000-03-14');
$date2 = new DateTime('2014-09-17');

$interval = $date2->diff($date1);

$months = ($interval->y * 12) + $interval->m;
$months += number_format($interval->d / 30, 1);

echo $months;