public DateFormatInterface::getPattern()

Wraps DateTime(). This class wraps the PHP DateTime class with more flexible initialization parameters, allowing a date to be created from an

protected static Datetime::getHtml5TimeFormat($element)

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

public DateTimePlus::__construct($time = 'now', $timezone = NULL, $settings

File core/lib/Drupal/Core/Datetime/DateFormatter.php, line 56 Class

protected DateTimePlus::prepareTime($time)

public static DateHelper::dayOfWeek($date = NULL)

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

public DateFormatter::formatDiff($from, $to, $options = array())