- var_dump: documentation ( source)
- getdate: documentation ( source)
- mktime: documentation ( source)
- date_default_timezone_set: documentation ( source)
- strtotime: documentation ( source)
<?php
$date = '2014-04-01';
date_default_timezone_set('Europe/Moscow');
$y = strtotime($date);
var_dump($y);
date_default_timezone_set('UTC');
var_dump(mktime(0,0,0,4,1,2014));
var_dump(getdate($y));