- print_r: documentation ( source)
<?php
const DB_DATETIME_FORMAT = 'Y-m-d H:i:s';
$gmtTimezone = new DateTimeZone("UTC");
print_r($gmtTimezone, true);
$Now = DateTime::createFromFormat(DB_DATETIME_FORMAT, 'tomorrow 03:00:00', $gmtTimezone);
print_r($Now, true);
$Duration = new DateInterval('PT1M'); // 1minute
$Now->add( $Duration );
print_r($Now, true);
$Duration = new DateInterval('P1D'); // 1Day
$Now->add( $Duration );
print_r($Now, true); // 2014-05-12