protected property FieldConfigBase::$default_value_callback

The name of a callback function that returns default values.

The function will be called with the following arguments:

• \Drupal\Core\Entity\FieldableEntityInterface $entity The entity being created.
• \Drupal\Core\Field\FieldDefinitionInterface $definition The field definition.

It should return an array of default values, in the same format as the $default_value property.

This property takes precedence on the list of fixed values specified in the $default_value property.

Type: string

File

core/lib/Drupal/Core/Field/FieldConfigBase.php, line 160

Class

FieldConfigBase

Base class for configurable field definitions.

Namespace

Drupal\Core\Field

Code

protected $default_value_callback = '';