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
