DateTimeZone::getOffset

timezone_offset_get

(PHP 5 >= 5.2.0, PHP 7)

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

Descrierea

Stil obiect-orientat

public DateTimeZone::getOffset ( DateTimeInterface $datetime ) : int

Stil procedural

timezone_offset_get ( DateTimeZone $object , DateTimeInterface $datetime ) : int

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.

Parametri

object

Doar pentru stilul procedural: Un obiect DateTimeZone întors de funcția timezone_open()

datetime

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

Valorile întoarse

Returns time zone offset in seconds on success sau FALSE în cazul eșecului.

Istoricul schimbărilor

Versiune Descriere
5.5.19, 5.6.3 datetime type changed to DateTimeInterface. Previously, DateTime.

Exemple

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);
?>