Question

What is the best method for adding time to a timestamp?
I have in a database

2011-10-09 10:29:23

and I would like add to this 20 days. How can I do that?
I need an example for:

1. 20 hours
2. 20 days

Answer 1

You can use Date::add like this:

<?php
$date = new DateTime('2011-10-09 10:29:23');
$date->add(new DateInterval('P20D')); //use PT20H for 20 hours
echo $date->format('Y-m-d H:i:s');
?>