public function ConditionInterface::exists

public ConditionInterface::exists($field, $langcode = NULL)

Queries for the existence of a field.

Parameters

$field:

string $langcode:

Return value

ConditionInterface

See also

\Drupal\Core\Entity\Query\QueryInterface::exists()

File

core/lib/Drupal/Core/Entity/Query/ConditionInterface.php, line 47

Class

ConditionInterface
Defines the entity query condition interface.

Namespace

Drupal\Core\Entity\Query

Code

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

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