Usage and Examples of PHP date_timestamp_set() Function

PHP Date & Time Function Manual

The date_timestamp_set() function sets the date and time based on Unix timestamp.

Definition and Usage

The date_timestamp_set() function is an alias for DateTime::setTimestamp. This function accepts a DateTime object and a Unix timestamp as parameters and sets the specified timestamp to the given object.

Syntax

date_timestamp_set($object, $timestamp)

Parameter

Return Value

The PHP date_timestamp_set() function returns a DateTime object with the modified (time) value. If it fails, this function will return a boolean valuefalse.

PHP version

This function was originally introduced in PHP version5.3introduced in version 5.3.0 and can be used in all higher versions.

Online Example

The following example demonstratesdate_timestamp_setThe function specifies the date and time of the Unix timestamp:

<?php
　　　$date = new DateTime();
　　　$res = date_timestamp_set($date,　1505292545);　　　
　　　print("Date: ".date_format($res, "Y");/m/d H:i:s"));
?>

Output Result

Date:　2017/09/13　08:49:05

Online Example

The following example creates a DateTime object and usesdate_timestamp_set()The function modifies its value.-

<?php
　　　$date = new DateTime();
　　　$timestamp1　= time()　-　(23*12*30);　　　
　　　$res1　= date_timestamp_set($date,1);　　　　　　
　　　print("Date: ".date_format($res1, "Y/m/d H:i:s"));
　　　print("\n");
　　　$timestamp2　= time()　+　(23*12*30);
　　　$res2　= date_timestamp_set($date,2);　　
　　　print("Date: ".date_format($res2, "Y/m/d H:i:s"));
?>

Output Result

Date:　2020/05/11　08:57:30
Date:　2020/05/11　13:33:30

Online Example

As an alternative to this function, you can pass the timestamp value as a string and pass it to the DateTime constructor as a parameter "@"

<?php
　　$date = new DateTime("@1495283256
　　　print("Date: ".date_format($date, "Y");/m/d H:i:s"));?

Because we have set the month value to15It will be added three months at the correct time

Date:　2020/05/11　00:15:36