GoLang DateTime::diff

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GoLang replacement for PHP's DateTime::diff [edit | history]

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PHP DateTime::diff

PHP original manual for DateTime::diff [ show | php.net ]

DateTime::diff

DateTimeImmutable::diff

DateTimeInterface::diff

date_diff

(PHP 5 >= 5.3.0 < 5.5.0)

DateTime::diff -- DateTimeImmutable::diff -- DateTimeInterface::diff -- date_diff — Returns the difference between two DateTime objects

Description

Object oriented style

public DateInterval DateTime::diff ( DateTimeInterface $datetime2 [, bool $absolute = FALSE ] )

public DateInterval DateTimeImmutable::diff ( DateTimeInterface $datetime2 [, bool $absolute = FALSE ] )

public DateInterval DateTimeInterface::diff ( DateTimeInterface $datetime2 [, bool $absolute = FALSE ] )

Procedural style

DateInterval date_diff ( DateTimeInterface $datetime1 , DateTimeInterface $datetime2 [, bool $absolute = FALSE ] )

Returns the difference between two DateTimeInterface objects.

Parameters

datetime: The date to compare to.
absolute: Should the interval be forced to be positive?

Return Values

The DateInterval object representing the difference between the two dates or FALSE on failure.

Examples

Example #1 DateTime::diff() example

Object oriented style


<?php
$datetime1 = new DateTime('2009-10-11');
$datetime2 = new DateTime('2009-10-13');
$interval = $datetime1->diff($datetime2);
echo $interval->format('%R%a days');
?>

Procedural style


<?php
$datetime1 = date_create('2009-10-11');
$datetime2 = date_create('2009-10-13');
$interval = date_diff($datetime1, $datetime2);
echo $interval->format('%R%a days');
?>

The above examples will output:

+2 days

Example #2 DateTime object comparison

Note:
As of PHP 5.2.2, DateTime objects can be compared using comparison operators.


<?php
$date1 = new DateTime("now");
$date2 = new DateTime("tomorrow");

var_dump($date1 == $date2);
var_dump($date1 < $date2);
var_dump($date1 > $date2);
?>

The above example will output:

bool(false)
bool(true)
bool(false)

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