/**
* Given a collection of entities gets the ID of all of them.
*
* This method iterates the given set and invokes `getEntityId()` for every
* entity in the set.
*
* @param \Cake\Collection\CollectionInterface $results Set of entities
* @return array List of entity ids suitable for EAV logic
*/
public function extractEntityIds(CollectionInterface $results)
{
$entityIds = [];
$results->each(function ($entity) use(&$entityIds) {
if ($entity instanceof EntityInterface) {
$entityIds[] = $this->getEntityId($entity);
}
});
return $entityIds;
}
