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PHP date_diff() Function Usage and Examples

PHP Date & Time Function Manual

The date_diff() function returns the difference between two DateTime objects.

Definition and usage

The date_diff() function is an alias for DateTime::diff. It accepts two DateTime objects as parameters and calculates the difference between them.

Syntax

date_diff($datetime1, $datetime2[, $absolute])

Parameter

Serial numberParameters and descriptions
1

datetime1(required)

This is a DateTime object representing one of the dates to be compared.

2

$datetime2 (required)

This is a DateTime object representing one of the dates to be compared.

3

$absolute (optional)

a boolean value indicating whether the interval difference should be positive

Return value

The PHP date_diff() function returns a DateInterval object specifying the difference between two given dates. If it fails, this function returnsfalse.

PHP version

This function was initially introduced in PHP version5.3introduced in version 5.2.0 and is available in all higher versions.

Online example

The following examples demonstratedate_diff()Function usage-

<?php
　　　//Create a DateTime object
　　　$date1　= date_create("25-09-1989");
　　　$date2　= date_create("1-09-2012");
　　　$interval = date_diff($date1, $date2;
　　　print($interval);-format('%Y years %d days'));
?>
Test and see‹/›

Output result

22　years　7　days

Online example

The following example calculates the difference between a given date and the current date

<?php
　　　$date1　= date_create("25-09-1989");
　　　$date2　= date_create();
　　　$interval = date_diff($date1, $date2;
　　　print($interval);-format('%Y year %d day'));　　
?>
Test and see‹/›

Output result

30 year　14　day

Online example

Calculate the difference between two dates:

<?php
　　　//Create a DateTime object
　　　$date1　= date_create("2012-05-09");
　　　$date2　= date_create("2014-01-09");
　　　$interval = date_diff($date1, $date2;
　　　print($interval);-format('%Y year %m month %d day'));
　　　print("\n");
　　　$date3　= date_create("1989-08-25");
　　　$date4　= date_create("2012-03-19");
　　　$interval = date_diff($date3, $date4;
　　　print($interval);-format('%Y year %m month %d day'));
　　　print("\n");
　　　$date5　= date_create("2002-11-16");
　　　$date6　= date_create("2014-12-23");
　　　$interval = date_diff($date5, $date6;
　　　print($interval);-format('%Y year %m month %d day'));
　　　print("\n");
　　　$date7　= date_create("1989-0-09");
　　　$date8　= date_create("2013-05-14");
　　　$interval = date_diff($date7, $date8;
　　　print($interval);-format('%Y year %m month %d day'));
?>
Test and see‹/›

Output result

01　year　8　month 0 day
22　year　6　month　23　day
12　year　1　month　7　day
24　year　5　month　5　day
PHP Directory FunctionsPHP Date & Time Functions