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Norayr avatar Drupal

Get all updated (changed) fields in submit function

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Norayr

In hook_form_alter in the specific form, I've added the new submit button

  if ($form_id == 'myform') {
    $form['custom_submit'] = [
      '#type' => 'submit',
      '#value' => t('custom submit'),
      '#weight' => 100,
      '#submit' => ['custom_submit_func'],
    ];
  }

In custom_submit_func I need to get all field values that changed (not equal to an entity old field values or form field default value).

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