/**
* {@inheritdoc}
*/
public static function offset($stamp, $offset)
{
return Calends::toInternalFromUnix(date_create_from_format('Y-m-d H:i:s.u P', date('Y-m-d H:i:s.u P', BC::round(Calends::fromInternalToUnix($stamp), 6)))->modify($offset)->format('U.u'));
}
/**
* Gets the number of seconds between the start and end times
*
* @api
*
* @return float|integer
**/
public function getDuration($scale = 18)
{
return BC::round($this->duration, BC::intval($scale, 0));
}
/**
* {@inheritdoc}
*/
public static function fromInternal($stamp, $format = null)
{
$format = is_null($format) ? 18 : BC::max([BC::min([$format, 18], 0), 0], 0);
return BC::round(Calends::fromInternalToUnix($stamp), $format);
}
