public function ConditionInterface::exists in Drupal 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Entity/Query/ConditionInterface.php \Drupal\Core\Entity\Query\ConditionInterface::exists()
2. 8 core/lib/Drupal/Core/Database/Query/ConditionInterface.php \Drupal\Core\Database\Query\ConditionInterface::exists()

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/Query/ConditionInterface.php \Drupal\Core\Entity\Query\ConditionInterface::exists()
2. 10 core/lib/Drupal/Core/Entity/Query/ConditionInterface.php \Drupal\Core\Entity\Query\ConditionInterface::exists()

Queries for the existence of a field.

Parameters

string $field:

string $langcode:

Return value

$this

See also

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

3 methods override ConditionInterface::exists()

Condition::exists in core/lib/Drupal/Core/Config/Entity/Query/Condition.php

Queries for the existence of a field.

Condition::exists in core/lib/Drupal/Core/Entity/Query/Sql/Condition.php

Queries for the existence of a field.

Condition::exists in core/lib/Drupal/Core/Entity/Query/Null/Condition.php

Queries for the existence of a field.

File

core/lib/Drupal/Core/Entity/Query/ConditionInterface.php, line 50

Class

ConditionInterface

Defines the entity query condition interface.

Namespace

Drupal\Core\Entity\Query

Code

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