public function ItemList::isEmpty in Zircon Profile 8.0
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php \Drupal\Core\TypedData\Plugin\DataType\ItemList::isEmpty()
Determines whether the list contains any non-empty items.
Return value
bool TRUE if the list is empty, FALSE otherwise.
Overrides ListInterface::isEmpty
File
- core/
lib/ Drupal/ Core/ TypedData/ Plugin/ DataType/ ItemList.php, line 252 - Contains \Drupal\Core\TypedData\Plugin\DataType\ItemList.
Class
- ItemList
- A generic list class.
Namespace
Drupal\Core\TypedData\Plugin\DataTypeCode
public function isEmpty() {
foreach ($this->list as $item) {
if ($item instanceof ComplexDataInterface || $item instanceof ListInterface) {
if (!$item
->isEmpty()) {
return FALSE;
}
}
elseif ($item
->getValue() !== NULL) {
return FALSE;
}
}
return TRUE;
}