/**
* Parses a time-zone offset.
*
* The following ISO 8601 formats are accepted:
*
* * `Z` - for UTC
* * `±hh:mm`
* * `±hh:mm:ss`
*
* Note that ± means either the plus or minus symbol.
*
* @param string $text
* @param DateTimeParser|null $parser
*
* @return TimeZoneOffset
*
* @throws DateTimeParseException
*/
public static function parse($text, DateTimeParser $parser = null)
{
if (!$parser) {
$parser = IsoParsers::timeZoneOffset();
}
return TimeZoneOffset::from($parser->parse($text));
}
/**
* Obtains an instance of `ZonedDateTime` from a set of date-time fields.
*
* This method is only useful to parsers.
*
* @param DateTimeParseResult $result
*
* @return ZonedDateTime
*
* @throws DateTimeException If the zoned date-time is not valid.
* @throws DateTimeParseException If required fields are missing from the result.
*/
public static function from(DateTimeParseResult $result)
{
$localDateTime = LocalDateTime::from($result);
$timeZoneOffset = TimeZoneOffset::from($result);
if ($result->hasField(Field\TimeZoneRegion::NAME)) {
$timeZone = TimeZoneRegion::from($result);
} else {
$timeZone = $timeZoneOffset;
}
return ZonedDateTime::of($localDateTime, $timeZone, $timeZoneOffset);
}