<nav aria-label="breadcrumb"> <ol class="breadcrumb"> <li class="breadcrumb-item"><a href="{{ path('index') }}">Accueil</a></li> {% if label3 is defined and label3 is not empty and url3 is defined and url3 is not empty %} <li class="breadcrumb-item"><a href="{{ url3 }}">{{ label3 }}</a></li> {% endif %} {% if label2 is defined and label2 is not empty and url2 is defined and url2 is not empty %} <li class="breadcrumb-item"><a href="{{ url2 }}">{{ label2 }}</a></li> {% endif %} <li class="breadcrumb-item active" aria-current="page">{{ label }}</li> </ol> </nav>