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PHP | date_date_set() Function
  • Last Updated : 31 Aug, 2018

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

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