I've created service which gets the raw data from custom content type. It looks like this :

    [front_page_slider] => Array
            [1] => Array
                    [title] => Lorem ipsum dolor sit amet
                    [body] =>Some example slider text up here
                    [field_image] => http://localhost/drupal8/sites/default/files/2016-05/slider1.png
                    [field_link_uri] => http://example.com
                    [field_link_title] => see more



After that i use array_push function to add this array $variables global variable.

I've tried to display any of this fields like this:

{{ dump(front_page_slider[1].title) }}

or this: {{ dump(front_page_slider) }}

But both return NULL. What I do wrong ?


Have you added 'front_page_slider to the variables array in your twig template definition?


function hook_theme(array $existing, $type, $theme, $path) {
  return [
    'template_name' => [
          'variables' => [
           'front_page_slider' => [],
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  • Where should I create this .module file ? In the theme directory ? – El Danielo May 29 '16 at 11:33
  • Yes. Your main directory should contain a module_name.info.yml, module_name.module, and your template directory. – Kevin Nowaczyk May 30 '16 at 21:42

Install Devel Module (also enable devel kint sub module)and use kint

What is Kint?

Kint for PHP is a tool designed to present your debugging data in the absolutely best way possible.

In other words, it's var_dump() and debug_backtrace() on steroids. Easy to use, but powerful and customizable. An essential addition to your development toolbox.

This module allows to use kint($data) like as dpm()/dsm()/krumo() in Devel module.

something like
{{ kint(page) }}

Read more and some usage about kint.

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