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I'm using the contrib module contact block and I would like to edit the block form settings. By default, there is a textfield (title) and the "Display title" checkbox, I need to hide those fields by use of some hook(s) but I don't know which one should I use, already tested:

  • hook_form_alter()
  • hook_field_widget_WIDGET_TYPE_form_alter()

My form. enter image description here

How could I hide them (without css)? Thanks all.

  • 1
    Can you please post the code you tried when testing hook_form_alter? – user72672 Nov 18 '19 at 11:45
  • I just debugged the generic form alter to see if it came in – Javier Rey Nov 18 '19 at 11:47
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You can use hook_form_alter do this but first should check the form concern only your block, if you check only on $form_id == 'block_form' you will hide those field in all block forms.
Try with the following.

/**
 * Implements hook_form_alter().
 */
function MyModule_form_alter(&$form, $form_state, $form_id) {
  // Check if the provider is contact_block, to target only contact_block form
  if ($form_id == 'block_form' && isset($form['settings']['provider']['#value']) && $form['settings']['provider']['#value'] == 'contact_block') {
    // Hide  Display title checkbox
    $form['settings']['label_display']['#access'] = FALSE;
    // Hide title textfield
    $form['settings']['label']['#access'] = FALSE;
  }

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