The date_date_set() function is an inbuilt function in PHP which is used to set a new Date. This function has four parameters $object, $year, $month and $day and returns DateTime object on success or false on failure. The date_date_set() function is an alias of DateTime::setDate() function.
Syntax:
date_date_set( $object, $year, $month, $day )
Parameters: This function accepts four parameters as mentioned above and described below:
- $object: It is a mandatory parameter which is used to specify the DateTime object which is returned by the date_create() function.
- $year: It is a mandatory parameter which is used to specify the year of the date.
- $month: It is a mandatory parameter which is used to specify the month of the date.
- $day: It is a mandatory parameter which is used to specify the day of the date.
Return Value:This function returns a new DateTime object on success or FALSE on failure.
Below programs illustrate the date_date_set() function in PHP.
Program 1: Procedural style to print DateTime.
<?php   // Date_create() returns a new DateTime object. $date = date_create();   // date_date_set() function date_date_set($date, 2018, 8, 31);   // Print the date in a format echo date_format($date, "Y/m/d"); ?> |
Output:
2018/08/31
Program 2: Object oriented style to print DateTime.
<?php   // Declare DateTime object. $date = new DateTime();   // date_date_set() function $date->setDate(2018, 8, 31);   // Print the date in a format echo $date->format('Y/m/d'); ?> |
Output:
2018/08/31
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Reference: http://php.net/manual/en/function.date-date-set.php
