public FieldableEntityInterface::onChange($field_name)
Reacts to changes to a field.
Note that this is invoked after any changes have been applied.
Parameters
string $field_name: The name of the field which is changed.
Throws
\InvalidArgumentException When trying to assign a value to the language field that matches an existing translation.
\LogicException When trying to change:
- The language of a translation.
- The value of the flag identifying the default translation object.
File
- core/lib/Drupal/Core/Entity/FieldableEntityInterface.php, line 210
Class
- FieldableEntityInterface
- Interface for entities having fields.
Namespace
Drupal\Core\Entity
Code
public function onChange($field_name);
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