public function BatCalendarUnitReference::isEmpty in Booking and Availability Management Tools for Drupal 8

Determines whether the data structure is empty.

Return value

bool TRUE if the data structure is empty, FALSE otherwise.

Overrides Map::isEmpty

File

modules/bat_calendar_reference/src/Plugin/Field/FieldType/BatCalendarUnitReference.php, line 48

Contains \Drupal\bat_calendar_reference\Plugin\Field\FieldType\BatCalendarUnitReference.

Class

BatCalendarUnitReference

Plugin annotation @FieldType( id = "bat_calendar_unit_reference", label = @Translation("BAT Calendar Unit Reference"), description = @Translation("Display unit events information embedded from other fieldable content."), default_widget =…

Namespace

Drupal\bat_calendar_reference\Plugin\Field\FieldType

Code

public function isEmpty() {
  $value = $this
    ->get('unit_id')
    ->getValue();
  return $value === NULL || $value === '';
}