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I have a FAQ page with five nested bootstrap 5 accordions and I need to have one accordion item or another open depending on the page the user is coming from.

I tried using this:

{% set previousURL = app.request.headers.get('referer') %}

but I get nothing.

Using Drupal 9.

2
  • app is something the Symfony Twig Bundle adds to Twig templates which does not exist in Drupal. Did you discover this in a Symfony Framework tutorial?
    – cilefen
    May 11 at 16:16
  • I would solve this using javascript instead of twig. May 11 at 20:10

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