{# app/Resources/views/includes/_flags.html.twig #}{% set route = app.request.attributes.get('_route') %}{% set route_params = app.request.attributes.get('_route_params') %}{% set params = route_params|merge(app.request.query.all) %}{# You may want to not print a flag/link for current view, the "if" here let you handle it #}{% for locale in locales %}{% if locale != app.request.locale %}<a href="{{ path(route, params|merge({ _locale: locale })) }}">{{ locale }}</a>{% endif %}{% endfor %}