How to use the Symfony translation component to translate your application?

@adan 

The Symfony translation component is a powerful tool for translating your application into different languages. Here are the steps you can follow to use the Symfony translation component to translate your application:

1. Install the Translation Component: To use the Symfony translation component, you need to install it using Composer. Run the following command in your terminal:

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composer require symfony/translation

1. Configure the Translation Component: Once you have installed the Translation Component, you need to configure it in your Symfony application. Open the config/packages/translation.yaml file and add the following code:

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framework:
    default_locale: 'en'
    translator:
        default_path: '%kernel.project_dir%/translations'
        fallbacks:
            - '%locale%'

This configuration sets the default locale to English and specifies the path where translation files will be stored.

1. Create Translation Files: To translate your application, you need to create translation files for each language you want to support. Translation files should be placed in the translations directory of your Symfony application. The files should be named according to their locale, for example, messages.en.yaml for English.

Here's an example of a translation file:

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# translations/messages.en.yaml

hello: Hello
goodbye: Goodbye

1. Use the Translation Component in Your Code: Now that you have created your translation files, you can use the Symfony translation component in your code. Here's an example:

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use SymfonyContractsTranslationTranslatorInterface;

class MyController
{
    public function index(TranslatorInterface $translator)
    {
        $hello = $translator->trans('hello');
        $goodbye = $translator->trans('goodbye');

        // ...
    }
}

In this example, the TranslatorInterface is injected into the controller using dependency injection. The trans method is then used to translate the 'hello' and 'goodbye' strings into the current locale.

That's it! You should now be able to use the Symfony translation component to translate your application into different languages.