Dynamic settings injection 1/4, before eZ 5.4 / 2014.09

00 - services.yml

parameters:
    acme_test.my_service.class: Acme\TestBundle\MyServiceClass

services:
    acme_test.my_service:
        class: %acme_test.my_service.class%
        arguments: [@ezpublish.config.resolver]

01 - MyServiceClass.php

<?php
namespace Acme\TestBundle;

use eZ\Publish\Core\MVC\ConfigResolverInterface;

class MyServiceClass
{
    /**
     * @var ConfigResolverInterface
     */
    private $configResolver;

    public function __construct( ConfigResolverInterface $configResolver )
    {
        $this->configResolver = $configResolver
    }
    
    public function doSomethingWithLanguages()
    {
        $languages = $this->configResolver->getParameter( 'languages' );
        
        // Do something...
    }
}