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# timezone_offset_get

(PHP 5 >= 5.1.0RC1)

timezone_offset_get -- Returns the timezone offset from GMT

## Beschreibung

int timezone_offset_get ( DateTimeZone object, DateTime datetime )
int DateTimeZone::getOffset ( 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 DateTime object being used.

## Parameter Liste

`object`

  DateTimeZone object.

`datetime`

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

## Rückgabewerte

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

## Beispiele

Beispiel 1. timezone_offset_get() 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); ?>`

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