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/Drupal 8

public function QueryInterface::notExists

public QueryInterface::notExists($field, $langcode = NULL)

Queries for an empty field.

Parameters

$field.: Name of a field.

$langcode: Language code (optional).

Return value

\Drupal\Core\Entity\Query\QueryInterface

File

core/lib/Drupal/Core/Entity/Query/QueryInterface.php, line 119

Class

QueryInterface
Interface for entity queries.

Namespace

Drupal\Core\Entity\Query

Code

public function notExists($field, $langcode = NULL);

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!Query!QueryInterface.php/function/QueryInterface::notExists/8.1.x