MongoCursorInterface::setReadPreference Set the read preference for this query &reftitle.description; abstract public MongoCursorInterfaceMongoCursorInterface::setReadPreference stringread_preference arraytags &reftitle.parameters; &mongo.setreadpreference.parameters; &reftitle.returnvalues; Returns this cursor. &reftitle.errors; &mongo.setreadpreference.errors; &reftitle.seealso; The read preferences documentation. MongoCursorInterface::getReadPreference