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my-symfony-app
├── .upsun
│   └── config.yaml
└── <project sources>

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symfony new my-symfony-app --demo --upsun 
cd my-symfony-app
symfony server:start -d   # optional 

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symfony project:init --upsun

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<?php

use Doctrine\DBAL\Connection;
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class RemoveDoubleRoleLimitations.

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<?php
namespace My\DesignBundle\Controller;

use eZ\Bundle\EzPublishCoreBundle\Controller;
use eZ\Publish\Core\MVC\Symfony\Routing\RouteReference;

class LanguageSwitcherController extends Controller
{
    public function languagesAction( RouteReference $routeReference )
    {