function FieldConfigInterface::setDefaultValueCallback
Sets a custom default value callback.
If set, the callback overrides any set default value.
Parameters
string|null $callback: The callback to invoke for getting the default value (pass NULL to unset a previously set callback). The callback will be invoked with the following arguments:
- \Drupal\Core\Entity\FieldableEntityInterface $entity The entity being created.
- \Drupal\Core\Field\FieldDefinitionInterface $definition The field definition.
It should return the default value in the format accepted by the setDefaultValue() method.
Return value
$this
1 method overrides FieldConfigInterface::setDefaultValueCallback()
- FieldConfigBase::setDefaultValueCallback in core/
lib/ Drupal/ Core/ Field/ FieldConfigBase.php - Sets a custom default value callback.
File
-
core/
lib/ Drupal/ Core/ Field/ FieldConfigInterface.php, line 151
Class
- FieldConfigInterface
- Defines an interface for configurable field definitions.
Namespace
Drupal\Core\FieldCode
public function setDefaultValueCallback($callback);