PHP Manual: Gets the start date

Object-oriented style

public DateTimeInterface DatePeriod::getStartDate()

Gets the start date of the period.

This function has no parameters.

Returns a DateTimeImmutable object when the DatePeriod is initialized with a DateTimeImmutable object as the start parameter.

Returns a DateTime object otherwise.

Example #1 DatePeriod::getStartDate example

<?php
$period = new DatePeriod('R7/2016-05-16T00:00:00Z/P1D');
$start = $period->getStartDate();
echo $start->format(DateTime::ISO8601);
?>

The above example will output:

2016-05-16T00:00:00+0000

DatePeriod::getStartDate