(PECL mongo >=1.5.0)
MongoCommandCursor::__construct — Create a new command cursor
$connection
   , string $ns
   [, array $command = array()
  ] )In many instances, you do not have to create a MongoCommandCursor manually, but instead one of the helper functions such as MongoCollection::aggregateCursor() and MongoCollection::parallelCollectionScan(). However, if the server adds new commands that can return cursors, then manually creating MongoCommandCursor objects is required. However, it might be easier to use the MongoCommandCursor::createFromDocument() instead.
connection
     Database connection.
ns
     Full name of database and collection.
command
     Database command.
Returns the new cursor.