public function serializeCollection(VisitorInterface $visitor, Collection $collection, array $type, Context $context)
{
if ($collection instanceof \Doctrine\ORM\PersistentCollection) {
if (!$collection->isInitialized()) {
return;
}
}
return parent::serializeCollection($visitor, $collection, $type, $context);
}
/**
* Return the slice from any given collection, using optimized queries for unitialized PersistentCollections.
*
* @param Collection $collection
* @param int $limit
* @param int $offset
* @return array
*/
public function getSlice(Collection $collection, $limit, $offset = 0)
{
if ($collection instanceof PersistentCollection && !$collection->isInitialized()) {
return $this->getSliceQuery($collection, $limit, $offset)->getResult();
} else {
$col = $collection->toArray();
return \array_slice($col, $offset, $limit);
}
}
