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DateTimeZone::getOffset


(PHP 5 >= 5.2.0)

DateTimeZone::getOffsetReturns the timezone offset from GMT

Beschreibung

public int DateTimeZone::getOffset ( DateTime $datetime )
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.

Parameter-Liste

object

Nur bei prozeduralem Aufruf: Ein von date_create() zurückgegebens DateTimeZone Objekt.

datetime

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

Rückgabewerte

Returns time zone offset in seconds on successIm Fehlerfall wird FALSE zurückgegeben..

Beispiele

PHP Code
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// 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);