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

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

public static DateTimePlus::datePad($value, $size = 2)

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

public DateTimePlus::hasErrors() Detects

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

public DrupalDateTime::format($format, $settings = array())

File core/lib/Drupal/Component/Datetime/DateTimePlus.php, line 30 Class

public DateTimePlus::getErrors() Gets

Defines the format that date and time should be stored in. File core/modules/datetime/