- date_add: documentation ( source)
- date_create: documentation ( source)
- date_interval_create_from_date_string: documentation ( source)
- var_export: documentation ( source)
- date: documentation ( source)
<?php
$now = date_create(date("Y-m-h"));
$added = date_add($now, date_interval_create_from_date_string("1 DAY"))->format('Y-m-d');
var_export($added);