public function testUtc()
{
$this->assertTimeZoneOffsetIs(0, TimeZoneOffset::utc());
}
/**
* @return TimeZoneOffset
*/
public static function utc()
{
return TimeZoneOffset::utc();
}
/**
* @param DateTimeParseResult $result
*
* @return TimeZoneOffset
*
* @throws DateTimeException If the offset is not valid.
* @throws DateTimeParseException If required fields are missing from the result.
*/
public static function from(DateTimeParseResult $result)
{
$sign = $result->getField(Field\TimeZoneOffsetSign::NAME);
if ($sign === 'Z' || $sign === 'z') {
return TimeZoneOffset::utc();
}
$hour = $result->getField(Field\TimeZoneOffsetHour::NAME);
$minute = $result->getField(Field\TimeZoneOffsetMinute::NAME);
$second = $result->getOptionalField(Field\TimeZoneOffsetSecond::NAME);
$hour = (int) $hour;
$minute = (int) $minute;
$second = (int) $second;
if ($sign === '-') {
$hour = -$hour;
$minute = -$minute;
$second = -$second;
}
return self::of($hour, $minute, $second);
}