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Twig Templates for Elgg

Adds support for twig templates in Elgg

Using Templates

To add a twig template, simply add a file with .twig extension into your plugin's views, under default viewtype.

To render a template use `elgg_twig() with or without a view name without .twig extension:

You can override templates like any other view, but you can not extend them or filter them using hooks.

Development

To simplify development, set environment config value to development, otherwise you need to flush caches to reload template changes.

Globals

Globals available in templates

• app - application data
  • app.user - logged in user entity
  • app.site - site entity
  • app.registrationUrl - registration URL
  • app.loginUrl - login URL

Functions

Function available in templates

• echo() - equivalent of elgg_echo()
• view() - equivalent of elgg_view()
• assetUrl() - equivalent of elgg_get_simplecache_url()
• requireJs() - equivalent of elgg_require_js()

Notes

I have initially taught elgg_view() to render twig templates, but it had a negative performance impact, likely because of a view_vars hook registered for all views. Until there is a wildcard hook registration, elgg_twig() is the way to go, however it does not allow view vars to be filtered or views to be extended, which in the end is somewhat a win, because of simplicity.