public function FieldItemDataDefinition::getMainPropertyName in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/lib/Drupal/Core/Field/TypedData/FieldItemDataDefinition.php \Drupal\Core\Field\TypedData\FieldItemDataDefinition::getMainPropertyName()
Returns the name of the main property, if any.
Some field items consist mainly of one main property, e.g. the value of a text field or the
target_id;
of an entity reference. If the field item has no main property, the method returns NULL.
Return value
string|null The name of the value property, or NULL if there is none.
Overrides ComplexDataDefinitionInterface::getMainPropertyName
File
- core/
lib/ Drupal/ Core/ Field/ TypedData/ FieldItemDataDefinition.php, line 77 - Contains \Drupal\Core\Field\TypedData\FieldItemDataDefinition.
Class
- FieldItemDataDefinition
- A typed data definition class for defining field items.
Namespace
Drupal\Core\Field\TypedDataCode
public function getMainPropertyName() {
return $this->fieldDefinition
->getFieldStorageDefinition()
->getMainPropertyName();
}