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PHP | DateTimeImmutable setTimestamp() Function

  • Last Updated : 10 Oct, 2019

The DateTimeImmutable::setTimestamp() function is an inbuilt function in PHP which is used to set the date and time based on an Unix timestamp.

Syntax:

DateTimeImmutable DateTimeImmutable::setTimestamp( int $unixtimestamp )

Parameters: This function accepts single parameter $unixtimestamp which is used to set the Unix timestamp representing the date.

Return Values: This function returns the DateTimeImmutable object.

Below programs illustrate the DateTimeImmutable::setTimestamp() function in PHP:



Program 1:




<?php
// PHP program to illustrate DateTimeImmutable::setTimestamp()
// function
    
// Creating a new DateTimeImmutable() object
$datetimeImmutable = new DateTimeImmutable();
  
// Initialising a unixtimestamp
$unixtimestamp = '1171564674';
  
// Calling the DateTimeImmutable::setTimestamp() function
$a = $datetimeImmutable->setTimestamp($unixtimestamp);
  
// Getting a new set of date and time in the
// format of 'U = d-m-Y H:i:s'
echo $datetimeImmutable->format('U = d-m-Y H:i:s');
?>
Output:
1570187170 = 04-10-2019 11:06:10

Program 2:




<?php
// PHP program to illustrate DateTimeImmutable::setTimestamp()
// function
    
// Creating a new DateTimeImmutable() object
$datetimeImmutable = new DateTimeImmutable();
  
// Calling the DateTimeImmutable::setTimestamp() function
// with the parameter of unixtimestamp
$a = $datetimeImmutable->setTimestamp(1291564453);
  
// Getting a new set of date and time in the
// format of 'U = d-m-Y H:i:s'
echo $datetimeImmutable->format('U = d-m-Y H:i:s');
?>
Output:
1570187171 = 04-10-2019 11:06:11

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




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