Doctrine\MongoDB\Aggregation\Builder::execute PHP Method

    public function execute($options = [])
    {
        return $this->collection->aggregate($this->getPipeline(), $options);
    }

 /**
  * {@inheritdoc}
  */
 public function execute($options = [])
 {
     // Force cursor to be used
     $options = array_merge($options, ['cursor' => true]);
     $cursor = parent::execute($options);
     return $this->prepareCursor($cursor);
 }