abstract protected EntityStorageBase::has($id, EntityInterface $entity)
Determines if this entity already exists in storage.
int|string $id: The original entity ID.
\Drupal\Core\Entity\EntityInterface $entity: The entity being saved.
bool
abstract protected function has($id, EntityInterface $entity);
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!EntityStorageBase.php/function/EntityStorageBase::has/8.1.x