How can I pass nested parameter value to service in Symfony2

Question

For example, in my services.yml file next code:

parameters:
    social:
        facebook:
            app_id: 123456789
            secret: dkl41a5dw1daw11d1wa135451awwlflaw
        google:
            id: 12548411654

services:
    bw.user.social:
        class: BW\UserBundle\Service\SocialService
        arguments: [%social.facebook%]

This method does not work. I can use this:

services:
    bw.user.social:
        class: BW\UserBundle\Service\SocialService
        arguments: [%social%]

But it's not exactly what I need. How can I pass only facebook value without google and , it's very important, not change parameters structure?

maphe · Accepted Answer · 2014-01-13 13:07:43Z

2

You have to write your parameters like this :

parameters:
    social.facebook:
        app_id: 123456789
        secret: dkl41a5dw1daw11d1wa135451awwlflaw
    social.google:
        id: 12548411654

Then you can use :

services:
    bw.user.social:
        class: BW\UserBundle\Service\SocialService
        arguments: [%social.facebook%]

answered Jan 13, 2014 at 13:07

maphe

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2 Comments

Victor Bocharsky Over a year ago

Yes, it's work, but the parameters structure is changed. And without changing the structure can not be done?

maphe Over a year ago

You cannot use a "tree-browsing syntax" to get some sub-parameters. All parameters have to be on the first level because each parameter is supposed to be a injected dependance. Using sub-level parameters injection would be like inject "half-dependencies", so it's impossible.

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