Twig template for viewing blog posts - http://www.symfonycentral.com

index.html.twig

{% if title == '' %}
   {# 
        If the title is empty, the controller didn't pass us 
        what we were expecting :(
    #}
    Please provide a valid ID
{% else %}
    <h1>{{ title|raw }}</h1>
    <p>{{ body|raw }}</p>
{% endif %}