BSONOBJECTID(3) 1 BSONOBJECTID(3) The BSONObjectID classINTRODUCTIONCLASS SYNOPSISBSONjectID BSONjectIDBSONType Methods o public BSONObjectID::__construct ([string $id]) o public ReturnType BSONObjectID::__toString (void ) PHP Documentation Group BSONOBJECTID(3)