http://www.symfony-project.org/forum/index.php?t=msg&goto=23158&#msg_23158

What are the differences between templates and plain .php files?

I.e., in a pure .php file, how can I use features that available to templates?

E.g.,

<?php use_helper('Debug') ?>
<?php log_message($message, $level) ?>

sfLoader::loadHelpers('Url');