public function serializeCollection(VisitorInterface $visitor, Collection $collection, array $type, Context $context)
{
// We change the base type, and pass through possible parameters.
$type['name'] = 'array';
//don't include items that will produce null elements
$dataArray = [];
foreach ($collection->toArray() as $element) {
if (!$context->isVisiting($element)) {
$dataArray[] = $element;
}
}
return $visitor->visitArray($dataArray, $type, $context);
}
