function QueryInterface::notExists
Queries for an empty field.
Parameters
string $field: Name of a field.
string|null $langcode: (optional) The language code allows filtering results by specific language. If omitted (NULL), any translation satisfies the condition.
Return value
$this
1 method overrides QueryInterface::notExists()
- QueryBase::notExists in core/
lib/ Drupal/ Core/ Entity/ Query/ QueryBase.php - Queries for an empty field.
File
-
core/
lib/ Drupal/ Core/ Entity/ Query/ QueryInterface.php, line 141
Class
- QueryInterface
- Interface for entity queries.
Namespace
Drupal\Core\Entity\QueryCode
public function notExists($field, $langcode = NULL);