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- http://twig.sensiolabs.org/
- http://twig.sensiolabs.org/documentation
- http://twig.sensiolabs.org/doc/templates.html Good outline of syntax and semantics
Drupal specific:
- Twig theming overview: https://www.drupal.org/docs/8/theming/twig
- Working With Twig Templates: https://www.drupal.org/docs/8/theming/twig/working-with-twig-templates
- Twig Template naming conventions: https://www.drupal.org/docs/8/theming/twig/twig-template-naming-conventions
- Comparison of PHPTemplate and Twig theming paradigms: https://www.drupal.org/docs/8/theming/twig/comparison-of-phptemplate-and-twig-theming-paradigms
- Discovering and Inspecting Variables in Twig Templates: https://www.drupal.org/docs/8/theming/twig/discovering-and-inspecting-variables-in-twig-templates
- Debugging Twig templates: https://www.drupal.org/docs/8/theming/twig/debugging-twig-templates
- Debugging compiled Twig templates https://www.drupal.org/docs/8/theming/twig/debugging-compiled-twig-templates
- Locating Template Files with Debugging: https://www.drupal.org/docs/8/theming/twig/locating-template-files-with-debugging
- Filters - Modifying Variables In Twig Templates: https://www.drupal.org/docs/8/theming/twig/filters-modifying-variables-in-twig-templates
- Functions - In Twig Templates: https://www.drupal.org/docs/8/theming/twig/functions-in-twig-templates
- Macros in Twig Templates: https://www.drupal.org/docs/8/theming/twig/macros-in-twig-templates
- Twig best practices - preprocess functions and templates: https://www.drupal.org/docs/8/theming/twig/twig-best-practices-preprocess-functions-and-templates
- Create custom twig templates from custom module: https://www.drupal.org/docs/8/theming/twig/create-custom-twig-templates-from-custom-module
- Drupal specific twig filters https://www.drupal.org/node/2357633
Tutorials:
- Not Drupal specific despite being on Drupalize.me but fairly comprehensive outline of all the concepts.
https://drupalize.me/videos/twig-basics?p=1899 - Overview page with links to all the Drupal-specific Twig videos.
https://drupalize.me/tutorial/twig-drupal?p=2512
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