Symfony2 - Global template variables

gistfile1.phtml

List:
app.security - The security context.
app.user - The current user object.
app.request - The request object.
app.session - The session object.
app.environment - The current environment (dev, prod, etc).
app.debug - True if in debug mode. False otherwise.
 
 
Twig:
<p>Username: {{ app.user.username }}</p>
{% if app.debug %}
    <p>Request method: {{ app.request.method }}</p>
    <p>Application Environment: {{ app.environment }}</p>
{% endif %}
 
PHP:
<p>Username: <?php echo $app->getUser()->getUsername() ?></p>
<?php if ($app->getDebug()): ?>
    <p>Request method: <?php echo $app->getRequest()->getMethod() ?></p>
    <p>Application Environment: <?php echo $app->getEnvironment() ?></p>
<?php endif; ?>