Description:
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---
From manual page: http://www.php.net/class.dateperiod
---

Currently it's not possible to get the start date, the end date and the interval of an existing DatePeriod instance.

Test script:
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$start = new DateTime('2000-01-01 00:00:00', new DateTimeZone('Europe/Berlin'));
$end   = new DateTime('2000-01-31 00:00:00', new DateTimeZone('UTC'));
$interval = new DateInterval('P1D');
$period   = new DatePeriod($start, $interval, $end);

var_dump($period->getStartDate()->format('Y-m-d H:i:s'));
var_dump($period->getStartDate()->getTimeZone()->getName());

var_dump($period->getEndDate()->format('Y-m-d H:i:s'));
var_dump($period->getEndDate()->getTimeZone()->getName());

var_dump($period->getDateInterval()->format('%R%y-%m-%d-%h-%i-%s'));

Expected result:
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string(19) "2000-01-01 00:00:00"
string(13) "Europe/Berlin"
string(19) "2000-01-31 00:00:00"
string(3) "UTC"
string(12) "+0-0-1-0-0-0"

Actual result:
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Functions getStartDate, getEndDate and getDateInterval are missing