Twig template name in html comments

Readme.md

Twig template name in html comments

This example will add template names in html comments inside of Symfony twig templates.

config.yml

#app/config/config.yml

# Twig Configuration
twig:
    #...
    base_template_class: AppBundle\Twig\DebugTemplate

DebugTemplate.php

<?php

namespace AppBundle\Twig;

abstract class DebugTemplate extends \Twig_Template {

    public function display(array $context, array $blocks = array())
    {
        echo '<!-- START: ' . $this->getTemplateName() . ' -->';

        parent::display($context, $blocks);

        echo '<!-- END: ' . $this->getTemplateName() . ' -->';

    }
}