public function QueryBase::exists in Drupal 8

Same name and namespace in other branches

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

Queries for a non-empty value on a field.

Parameters

$field: Name of a field.

$langcode: Language code (optional).

Return value

$this

Overrides QueryInterface::exists

File

core/lib/Drupal/Core/Entity/Query/QueryBase.php, line 175

Class

QueryBase

The base entity query class.

Namespace

Drupal\Core\Entity\Query

Code

public function exists($property, $langcode = NULL) {
  $this->condition
    ->exists($property, $langcode);
  return $this;
}