PHP | DatePeriod getDateInterval() Function

The DatePeriod::getDateInterval() function is an inbuilt function in PHP which is used to return the date interval for the given date period.

Syntax:

DateInterval DatePeriod::getDateInterval( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the DateInterval object of the given date period.

Below programs illustrate the DatePeriod::getDateInterval() function in PHP:

Program 1:

<?php

// Create a new DatePeriod object
$DP = new DatePeriod('R7/2019-09-25T12:30:00Z/P5D');

// Calling the DatePeriod::getDateInterval() function
$dateInterval = $DP->getDateInterval();

// Getting the date interval of the given DatePeriod
echo $dateInterval->format('%d days');

?>

Output:

5 days

Program 2:

<?php

// Declare the start date
$start_date = new DateTime('2019-09-01');

// Declare the DateInterval
$interval = new DateInterval('P5D');

// Declare the end date
$end_date = new DateTime('2019-09-30');

// Create a new DatePeriod object
$DP = new DatePeriod($start_date, $interval, $end_date);

// Calling the DatePeriod::getDateInterval() function
$dateInterval = $DP->getDateInterval();

// Getting the date interval of the given DatePeriod
echo $dateInterval->format('%d days');

?>

Output:

5 days

Reference: https://www.php.net/manual/en/dateperiod.getdateinterval.php