function ItemList::isEmpty
Same name in other branches
- 9 core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php \Drupal\Core\TypedData\Plugin\DataType\ItemList::isEmpty()
- 8.9.x core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php \Drupal\Core\TypedData\Plugin\DataType\ItemList::isEmpty()
- 11.x core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php \Drupal\Core\TypedData\Plugin\DataType\ItemList::isEmpty()
Overrides ListInterface::isEmpty
1 call to ItemList::isEmpty()
- EntityReferenceFieldItemList::referencedEntities in core/
lib/ Drupal/ Core/ Field/ EntityReferenceFieldItemList.php - Gets the entities referenced by this field, preserving field item deltas.
File
-
core/
lib/ Drupal/ Core/ TypedData/ Plugin/ DataType/ ItemList.php, line 254
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;
}
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