symfony - define custom filesystem path for twig templates

Question

I've already read How does Symfony2 detect where to load templates from? and another ton of articles on the web

The question was quite similar to mine, but the answer wasn't comprehensive.

I need to override a bundle-defined template inside another custom bundle. In other words I want specify another path where symfony have to look before looking in app/Resources when loading templates.

Workflow should be something like this:

first: /src/My/Bundle/Resources/views/example.html.twig (or /src/My/Bundle/OriginalBundle/views/example.html.twig)

then: /app/Resources/OriginalBundle/views/example.html.twig

finally: /src/Original/Bundle/Resources/views/example.html.twig

The standard app/Resources -> src/Original/Bundle isn't enough.

sorry for my poor english and thank you

Answer 1

There's a native feature to do exactly what you want in a nice way. Escentially you can add a twig namespace to the twig configuration in app/config.yml like this:

twig:
    # ...
    paths:
        "%kernel.root_dir%/../vendor/acme/foo-bar/templates": foo_bar

This creates an alias to the folder vendor/acme/foo-bar/templates and then you can use it to render your templates either from the controllers:

return $this->render(
    '@foo_bar/template.html.twig',
    $data
);

or from other twig templates

{% include '@foo_bar/template.html.twig' %}

Source: official cookbook http://symfony.com/doc/current/cookbook/templating/namespaced_paths.html