(PECL mongo >=1.5.0) Get the write concern for this collection

(PECL mongo >=1.3.0) Set the read preference for this database

(PECL mongo >= 1.0.9) Creates a new 32-bit integer.

(PECL mongo >= 1.3.0) Sets a callback function to be invoked for events

(PECL mongo >=0.9.0) Queries this collection, returning a

(PECL mongo >=0.9.0) Drops this database public

(PECL mongo >= 1.0.11) Gets the incremented value to create this id

(PECL mongo >=1.0.1) Sets whether this cursor will timeout

(PECL mongo >=1.3.0) Update a document and return it

(PECL mongo >=1.3.0) Returns a resource that can be used to read the stored file