How to add One Hour in Current Date and Time using PHP

The following is really easy way to add one hour in current date and time using PHP. Using the date function to set the format of the date to be returned then using strtotime.

PHP Code

<?php
    $start = date('Y-m-d H:i:s');
    echo date('Y-m-d H:i:s',strtotime('+1 hour',strtotime($start)));
?>