PHP这个日期有多少天了？ [关闭]

Question

Im trying to work out how many days old is a date in my database.

For example with this date:

$postdate = '2013-12-19';

I want it to work out that it is 1 day old. If it is todays date then it should be 0.

How can i do this in PHP?

Thanks

Answer 1

<?php
$a = new \DateTime('2013-12-19');
$b = new \DateTime;

echo $a->diff($b)->days; // => 1