public static function FieldItemBase::mainPropertyName in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Field/FieldItemBase.php \Drupal\Core\Field\FieldItemBase::mainPropertyName()
2. 10 core/lib/Drupal/Core/Field/FieldItemBase.php \Drupal\Core\Field\FieldItemBase::mainPropertyName()

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 FieldItemInterface::mainPropertyName

See also

\Drupal\Core\Field\BaseFieldDefinition

8 methods override FieldItemBase::mainPropertyName()

CommentItem::mainPropertyName in core/modules/comment/src/Plugin/Field/FieldType/CommentItem.php

Returns the name of the main property, if any.

EntityReferenceItem::mainPropertyName in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php

Returns the name of the main property, if any.

LayoutSectionItem::mainPropertyName in core/modules/layout_builder/src/Plugin/Field/FieldType/LayoutSectionItem.php

Returns the name of the main property, if any.

LinkItem::mainPropertyName in core/modules/link/src/Plugin/Field/FieldType/LinkItem.php

Returns the name of the main property, if any.

MapItem::mainPropertyName in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/MapItem.php

Returns the name of the main property, if any.

... See full list

File

core/lib/Drupal/Core/Field/FieldItemBase.php, line 39

Class

FieldItemBase

An entity field item.

Namespace

Drupal\Core\Field

Code

public static function mainPropertyName() {
  return 'value';
}