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