- time: documentation ( source)
- print_r: documentation ( source)
- date_default_timezone_set: documentation ( source)
- date: documentation ( source)
<?php
date_default_timezone_set('US/Eastern');
$foo = new DateTime();
$bar = new DateTime(date('Y-m-d H:i:s -01:00', time()));
$diff = $bar->diff($foo, false);
print_r($foo);
print_r($bar);
print_r($diff);