weglot/translate-bundle

    <a href="{{ path(app.request.attributes.get('_route'), app.request.attributes.get('_route_params') | merge({_locale: original_language }) ) }}" data-wg-notranslate class="weglot-link weglot-{{ original_language }}">{{ original_language | language(false) }}</a>
{% for l in destination_languages %}
    <a href="{{ path(app.request.attributes.get('_route'), app.request.attributes.get('_route_params') | merge({_locale: l }) ) }}" data-wg-notranslate class="weglot-link weglot-{{ l }}">{{ l | language(false) }}</a>
{% endfor %}