Using Drupal 8.

I want to display the value of a field (field_date) at the top of my page, in the header, so I need to output it in page.html.twig. I'm having issue with this, though, which I think boil down to the scope of where variables are available.

To clarify - I can print field_date in node.html.twig no problem by just using content, but since I need it so high on the page, I'm hoping for a way to print it in page.html.twig.

I'm open to any solution, but here's a possible solution I picked up from searching on this same topic:


 * Implements template_preprocess_field().
function THEMENAME_preprocess_field(&$variables) {
    $element = $variables['element'];

    if($element['#field_name'] == 'field_date') {
        $variables['promo_date'] = $element[0]['#markup'];

In page.html.twig:

<div class="theme-date">{{ promo_date }}</div>

In this example, the dpm does work, but the promo_date displays nothing. Doing kint(node) returns a large number of methods, but none seem to be the fields I need. Unfortunately the solution I borrowed from was taking a page-level variable and adding it to field.twig.html, and I think the scope reversal is the problem.

1 Answer 1


If you want to see the result of your code in THEMENAME_preprocess_field() you have to put {{ promo_date }} in a field.html.twig.

But in your question you asked about the page.html.twig. To access the field value in this template, you can use the node object, which is preloaded in the page template. But only if there is a node in the url of your page. Otherwise this will return an empty string:

{{ node.field_date.value }}
  • Does this mean I cannot use cleaner URLs, such as /page-name ?
    – GFeesh
    Commented Feb 14, 2016 at 16:58
  • That doesn't matter, the url can be an alias of the node too. But if you display a view, where nodes are inside, this will not work.
    – 4uk4
    Commented Feb 14, 2016 at 17:30
  • Okay, thank you. This is exactly what I needed. Previous attempts at using node I got bogged down in the structure/finding the value, but I gave up too soon.
    – GFeesh
    Commented Feb 14, 2016 at 23:08

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