gistfile1.php

<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
        <div class="container-fluid">
            <!-- Brand and toggle get grouped for better mobile display -->
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand" href="#">Blog Symfony2</a>
            </div>

            <!-- Collect the nav links, forms, and other content for toggling -->
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                <ul class="nav navbar-nav">
                    <li class="{% block menu_class_home %}{% endblock %}"><a href="{{ path('mon_site_blog_homepage') }}">Accueil</a></li>
                    <li class="{% block menu_class_contact %}{% endblock %}"><a href="#">Contact</a></li>

                    {% if is_granted('ROLE_ADMIN') %}
                    <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown">Admin <b class="caret"></b></a>
                        <ul class="dropdown-menu">
                            <li><a href="#">Post</a></li>
                        </ul>
                    </li>
                    {% endif %}
                </ul>

                <ul class="nav navbar-nav navbar-right">
                    <li><a href="">Login</a></li>
                    <li><a href="#">Inscription</a></li>
                </ul>
            </div><!-- /.navbar-collapse -->
        </div><!-- /.container-fluid -->
    </nav>