public function FieldConfigBase::setDefaultValueCallback
public FieldConfigBase::setDefaultValueCallback($callback)
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
$this
Overrides FieldConfigInterface::setDefaultValueCallback
File
- core/lib/Drupal/Core/Field/FieldConfigBase.php, line 434
Class
- FieldConfigBase
- Base class for configurable field definitions.
Namespace
Drupal\Core\FieldCode
public function setDefaultValueCallback($callback) { $this->default_value_callback = $callback; return $this; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Field!FieldConfigBase.php/function/FieldConfigBase::setDefaultValueCallback/8.1.x