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PHP Manual :: DateTimeZone::getOffset



DateTimeZone::getName || DateTimeZone::getTransitions || DateTimeZone || PHP Manual

(PHP 5 >= 5.2.0, PHP 7)

DateTimeZone::getOffset -- timezone_offset_getReturns the timezone offset from GMT

Description

Object oriented style

public int DateTimeZone::getOffset ( DateTime $datetime )

Procedural style

int timezone_offset_get ( DateTimeZone $object , DateTime $datetime )

This function returns the offset to GMT for the date/time specified in the datetime parameter. The GMT offset is calculated with the timezone information contained in the DateTimeZone object being used.

Parameters

object

Procedural style only: A DateTimeZone object returned by timezone_open()

datetime

DateTime that contains the date/time to compute the offset from.

Return Values

Returns time zone offset in seconds on success or FALSE on failure.

Examples

Example #1 DateTimeZone::getOffset() examples

<?php
// Create two timezone objects, one for Taipei (Taiwan) and one for
// Tokyo (Japan)
$dateTimeZoneTaipei = new DateTimeZone("Asia/Taipei");
$dateTimeZoneJapan = new DateTimeZone("Asia/Tokyo");

// Create two DateTime objects that will contain the same Unix timestamp, but
// have different timezones attached to them.
$dateTimeTaipei = new DateTime("now"$dateTimeZoneTaipei);
$dateTimeJapan = new DateTime("now"$dateTimeZoneJapan);

// Calculate the GMT offset for the date/time contained in the $dateTimeTaipei
// object, but using the timezone rules as defined for Tokyo
// ($dateTimeZoneJapan).
$timeOffset $dateTimeZoneJapan->getOffset($dateTimeTaipei);

// Should show int(32400) (for dates after Sat Sep 8 01:00:00 1951 JST).
var_dump($timeOffset);
?>



DateTimeZone::getName || DateTimeZone::getTransitions || DateTimeZone || PHP Manual
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