MongoCursor::explain PHP Method

    public function explain()
    {
        $this->notImplemented();
    }

 /**
  * Return an explanation of the query, often useful for optimization and debugging
  * @link http://www.php.net/manual/en/mongocursor.explain.php
  * @return array Returns an explanation of the query.
  */
 public function explain()
 {
     return $this->cursor->explain();
 }