public static Datelist::validateDatelist(&$element, FormStateInterface

public static Datetime::valueCallback(&$element, $input, FormStateInterface

public static Datetime::processDatetime(&$element, FormStateInterface

protected static Datetime::getHtml5TimeFormat($element)

protected static Datelist::checkEmptyInputs($input, $parts)

protected static Datetime::getHtml5DateFormat($element)

Type: \DateTimeInterface File core/lib/Drupal/Core/Datetime/Element/Datetime.php, line

protected static DateElementBase::datetimeRangeYears($string

protected static Datelist::incrementRound(&$date, $increment)

public Datelist::getInfo() Returns