This wikilog article is a draft, it was not published yet.
Time is a murky business
3 January (2015)
3403
<?php
$datetime1 = date_create('2009-10-11');
$datetime2 = date_create('2009-10-13');
$interval = date_diff($datetime1, $datetime2);
echo $interval->format('%R%a days');
?>