Online PHP editor | refs for RA88h

<?php date_default_timezone_set('Zulu'); $start = new DateTime("10/12/2013 16:00"); $end = new DateTime("10/13/2014 16:00"); $interval = date_diff($start, $end); $time_interval = new DateInterval("P1W"); $a = $interval >= $time_interval; $b = $interval === $time_interval; $c = $interval <= $time_interval; var_dump($interval); $d = $interval >= $time_interval; $e = $interval === $time_interval; $f = $interval <= $time_interval; var_dump($a, $b, $c, $d, $e, $f);