DateTime::getOffset

DateTimeImmutable::getOffset

DateTimeInterface::getOffset

date_offset_get

(PHP 5 >= 5.2.1, PHP 7)

DateTime::getOffset -- DateTimeImmutable::getOffset -- DateTimeInterface::getOffset -- date_offset_get — Returns the timezone offset

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public DateTime::getOffset ( void ) : int
public DateTimeImmutable::getOffset ( void ) : int
public DateTimeInterface::getOffset ( void ) : int

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date_offset_get ( DateTimeInterface $object ) : int

Returns the timezone offset.

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object

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Returns the timezone offset in seconds from UTC on success ������ʧ��ʱ���� FALSE.

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Example #1 DateTime::getOffset() example

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<?php
$winter = new DateTime('2010-12-21', new DateTimeZone('America/New_York'));
$summer = new DateTime('2008-06-21', new DateTimeZone('America/New_York'));

echo $winter->getOffset() . "\n";
echo $summer->getOffset() . "\n";
?>

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<?php
$winter = date_create('2010-12-21', timezone_open('America/New_York'));
$summer = date_create('2008-06-21', timezone_open('America/New_York'));

echo date_offset_get($winter) . "\n";
echo date_offset_get($summer) . "\n";
?>

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-18000
-14400

Note: -18000 = -5 hours, -14400 = -4 hours.