public function QueryBase::exists
public QueryBase::exists($property, $langcode = NULL)
Queries for a non-empty value on a field.
Parameters
$field: Name of a field.
$langcode: Language code (optional).
Return value
\Drupal\Core\Entity\Query\QueryInterface
Overrides QueryInterface::exists
File
- core/lib/Drupal/Core/Entity/Query/QueryBase.php, line 167
Class
- QueryBase
- The base entity query class.
Namespace
Drupal\Core\Entity\QueryCode
public function exists($property, $langcode = NULL) { $this->condition->exists($property, $langcode); return $this; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!Query!QueryBase.php/function/QueryBase::exists/8.1.x