There is a session variable called 'locale' with value: en.
$locale = session()->get('locale'); // value = 'en';
And there is an object $page with attributes: content_en, content_ru, content_de.
All I need is to echo $page->content_en or $page->content_ru or $page->content_de, but depending on locale.
echo $page->content_'.session()->get('locale').';