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I am trying to figure out how to apply a class to user profile pictures in Drupal 8 to make the pictures round.

Since I am using Bootstrap 3 I can just apply image-round class in this case, but I am not sure how to add the class to the profile image.

I tried adding a class with the Field Class module, but it didn't work.

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  • Just add the css yourself.. It seems like a lot of effort to go into PHP to add a class that you can duplicate. Commented Nov 6, 2017 at 19:12

1 Answer 1

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In your file of your theme: "MYTHEME.theme"

Create hook_preprocess_image

/**
 * Implements hook_preprocess_image() to add classes to the search form.
 */
function MYTHEME_preprocess_image(&$variables) {
  ksm ($variables);
    if ($variables['style_name'] == 'thumbnail') {
        $variables['attributes']['class'][] = 'image-rounded';
    }
}
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  • Thank you for the reply. I tried this like this: function isabel_preprocess_image(&$variables) { ksm ($variables); if ($variables['imagecircle'] == 'thumbnail') { $variables['attributes']['class'][] = 'img-circle'; } } But for some reason it threw an error on the line : ksm ($variables);
    – Progonat
    Commented Nov 7, 2017 at 14:27
  • that's right. the KSM function is used to show the contents of a variable. To use KSM you must have the DEVEL module installed. Please comment on that line and it will work correctly. Commented Nov 7, 2017 at 15:00

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