(PECL mongo >= 0.9.0) Checks if an array is a database reference

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

(PECL mongo >=1.3.0) Gets an array of names for all collections in this database

(PECL mongo >= 1.6.0; PHP > 5.3.4) Returns a DateTime object representing this date

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

(PECL mongo >=1.0.1) Log in to this database

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

(PECL mongo >=1.2.11) Sets arbitrary flags in case there is no method available the specific flag

(PECL mongo >= 1.2.3) Sets the module(s) to be logged

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