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On . By CodimTh

How to show form in popup in Drupal 8 & 9


Example how to show a custom form in popup when user click a link from front end.

If you want to make a link modal, so that it will open in a popup, you have to set the class use-ajax and the attribute data-dialog-type like in this example:

$content['add_movie'] = array(
     '#type' => 'link',
     '#title' => $this->t('Add movie'),
     '#url' => Url::fromRoute('node.add', ['node_type' => 'content_type_movie']),
     '#attributes' => [
       'class' => ['use-ajax'],
       'data-dialog-type' => 'modal',
       'data-dialog-options' => Json::encode([
         'width' => 700,


I Hope this tips helps you.


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