PHP | DateTimeImmutable setDate() Function

The DateTimeImmutable::setDate() function is an inbuilt function in PHP which is used to set a new date in the created DateTimeImmutable object. Syntax:

DateTimeImmutable DateTimeImmutable::setDate( int $year, int $month, int $day )

Parameters: This function accepts three parameters as mentioned above and described below:

• $year: This parameter holds the year value in integer format.
• $month: This parameter holds the month value in integer format.
• $day: This parameter holds the date value in integer format.

Return Values: This function returns the new date object. Below programs illustrate the DateTimeImmutable::setDate() function in PHP: Program 1:

php

<?php

// PHP program to illustrate DateTimeImmutable::setDate()
// function
  
// Creating a new DateTimeImmutable() object
$datetimeImmutable = new DateTimeImmutable();

// Initialising year, month and day
$Year = '2019';
$Month = '10';
$Day = '03';

// Calling the DateTimeImmutable::setDate() function
$a = $datetimeImmutable->setDate($Year, $Month, $Day);

// Getting a new set of date in the
// format of 'Y-m-d'
echo $a->format('Y-m-d');
?>

Output:

2019-10-03

Program 2:

php

<?php

// PHP program to illustrate DateTimeImmutable::setDate()
// function
  
// Creating a new DateTimeImmutable() object
$datetimeImmutable = new DateTimeImmutable();

// Calling the setDate() function
// with parameters like years of 2019,
// month of 10 and day of 3
$a = $datetimeImmutable->setDate(2019, 10, 03);

// Getting a new set of date in the
// format of 'Y-m-d'
echo $a->format('Y-m-d');
?>

Output:

2019-10-03

Reference: https://www.php.net/manual/en/datetimeimmutable.setdate.php

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