Why "First API Request" users.get returns city.id but not city.title?

Question

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Hello, I created an iFrame application for the VKontakte network and indicated as the First request to the API :

method=users.get&user_ids={viewer_id}&fields=sex,city,photo_big&format=JSON&v=5.52

In the official documentation , users.get returns exactly the same request:

response: [{
    id: 597xxxxx,
    first_name: 'Alexander',
    last_name: 'Farber',
    city: {
        id: 1945522,
        title: 'Bochum'
    },
    photo_50: 'http://cs5344.vk....1265/e_9ae5906d.jpg',
    verified: 0
}]

But in my script (aka "IFrame Address") I get the following data via HTTP GET:

[api_result] => {"response":[{
    "uid":597xxxxx,
    "first_name":"Alexander"
    ,"last_name":"Farber",
    "sex":2,
    "city":1945522,
    "photo_big":"http:\/\/cs5344.vk.me\/u59751265\/a_047c17e7.jpg"
}]}

That is, as you can see above, only city.id (1945522) data comes in, while I need city.title (Bochum).
Of course, you can make a second call to the API and get the desired city name through database.getCitiesById (or the old getCities function) ... but why doesn't it come right away?
Thanks

Answer 1

Well, apparently, the version of the requested api is not in the first request. For 3.8, it really returns only the city id, without the title