Set a form field as read only or disabled in Drupal 8 | CodimTh

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Web tips, snippets & code sharing

On April 12, 2020 . By CodimTh

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In this post, I'll show you how to set a form field as read only or disabled in Drupal 8.

To set field name as readonly:

$form['name']['#attributes'] = array('readonly' => 'readonly');

To set field name as disabled:

$form['name']['#attributes'] = array('disabled' => 'disabled');

Tags :

Drupal 8 Snippets Form API

Comments

Submitted by Gaetano Leoni (not verified) on Mon, 04/13/2020 - 08:40 Permalink

Should the code you indicated be written in hook_form_alter?

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Submitted by codimth on Mon, 04/13/2020 - 10:08 Permalink

Yes in hook_form_alter or in buildForm() if you want to create custom form.

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