Twig : isoler un template lors de l'include.

template.html.twig

{# template.html.twig #}

{% set title = 'Mon titre' %}
{% set username = 'Jane Doe' %}

<h1>{{ title }}</h1>
<p>{{ username }}</p>

{% include 'user.html.twig' with {title: username} only %}

user.html.twig

{# user.html.twig #}

<h2>{{ title }}</h2>

{# La variable title contient 'Jane Doe'.  #}
{# La variable username n'existe pas.  #}