gistfile1.md

Given the DB is in the state at the end of the post: http://jwage.com/post/30490176882/multiple-levels-of-embedded-documents-in-mongodb and we have, in Mongo the structure of

Array
(
    [_id] => MongoId Object
        (
        )
    [username] => jwage
    [profiles] => Array
        (
            [0] => Array
                (
                    [name] => Profile #1
                    [addresses] => Array
                        (
                            [0] => Array
                                (
                                    [number] => 6512
                                    [street] => Mercomatic
                                    [city] => Nashville
                                    [state] => Tennessee
                                    [zipcode] => 37209
                                )
                        )
                )
            [1] => Array
                (
                    [name] => Profile #2
                    [addresses] => Array
                        (
                            [0] => Array
                                (
                                    [number] => 475
                                    [street] => Buckhead Ave
                                    [city] => Atlanta
                                    [state] => Georgia
                                    [zipcode] => 30303
                                )
                        )
                )
        )
)

How do you go about adding a new Address to one Profile of many of a specific User?

Create the new Address.

$newAddress = new Address();
$newAddress->setCity('Albany'); // etc

Attach to the profile within the 'top level' User document.