Use env for config

[airbundle] / Resources / views / form / contact.html.twig

{% extends '@RapsysAir/body.html.twig' %}
{% block content %}
        <article>
                <header>
                        <h2>{{ description }}</h2>
                </header>
                {% if sent %}
                        <p class="message notice">{% trans %}Your message has been sent{% endtrans %}</p>
                {% else %}
                        {{ form_start(form) }}
                                <div>
                                        {{ form_row(form.subject) }}

                                        {{ form_row(form.name) }}

                                        {{ form_row(form.mail) }}

                                        {{ form_row(form.message) }}

                                        {{ form_row(form.captcha) }}

                                        {{ form_row(form.submit) }}
                                </div>

                                {# Render CSRF token etc .#}
                                <footer style="display:none">{{ form_rest(form) }}</footer>
                        {{ form_end(form) }}
                {% endif %}
        </article>
{% endblock %}