- var_dump: documentation ( source)
- date: documentation ( source)
<?php
$oDate = new DateTime(date('Y-m-d 00:00:00'));
var_dump($oDate->format('Y-m-d H:i:s'));
$oDate->modify('next day');
$diff = $oDate->diff( new DateTime() );
var_dump($oDate->format('Y-m-d H:i:s'));
var_dump($diff);