Syntax:DateTimeInterface DatePeriod::getStartDate (void)
Parameters:This function takes no parameters.
Returned value:This function returns the start date of the specified period.The following programs illustrate the function DatePeriod::getStartDate() in PHP:
Program 1:
// Initialize startDate over time $StartDate = new DateTime ( ’2019-05-16T00: 00: 00Z’ );
// Initialize DateInterval 2 days $DateInterval = new DateInterval ( ’P2D’ );
// Initialize endDate over time $EndDate = new DateTime ( ’2019-05-20T00: 00: 00Z’ );
// Initialize DatePeriod with startDate, DateInterval and
// End date $datePeriod = new DatePeriod ( $StartDate , $DateInterval , $EndDate );
// Call the getStartDate() function $StartDate = $datePeriod -> getStartDate();
// Get start date echo $StartDate -> format (DateTime::ISO8601);
?> Exit:2019-05 -16T00: 00: 00 + 0000
Program 2:
// Initialize DatePeriod with date 2019-09-30,
// time 10 hours, 40 minutes and 44 seconds and s
// daily period 14 days $datePeriod = new DatePeriod ( ’R7 / 2019-09-30T10: 40: 44Z / P14D’ );
// Call the getStartDate() function $StartDate = $datePeriod -> getStartDate();
// Get start date echo $StartDate -> format (DateTime::ISO8601); ?> Exit:2019-09 -30T10: 40: 44 + 0000
Link: https://www.php.net/manual/en/dateperiod.getstartdate.php
