Uploader::splitIds

private function splitIds(array $ids): array
{
	$fileIds = [];
	$tempFileIds = [];
	foreach ($ids as $id)
	{
		if (is_numeric($id))
		{
			$fileIds[] = (int)$id;
		}
		else
		{
			$tempFileIds[] = (string)$id;
		}
	}

	return [$fileIds, $tempFileIds];
}