(PECL mongo >=0.9.0) Returns the current result's _id, or its index within the result set

(PECL mongo >=1.3.0) Closes this connection

(PECL mongo >=1.2.11) Sets whether this cursor will wait for a while for a tailable cursor to return more

(PECL mongo >=1.1.0) Change slaveOkay setting for this database

(PECL mongo >=0.9.0) Returns the current file

(PECL mongo >=0.9.0) Sorts the results by given fields

(PECL mongo >=1.5.0) Returns the current result's index within the result set

(PECL mongo >=0.9.0) Return the next file to which this cursor points, and advance the cursor

(PECL mongo >=0.9.4) Sets whether this query can be done on a secondary [deprecated]

(PECL mongo >=1.0.6) Sets the fields for a query