Remove field attributes using hook_form_alter()

Question

How do I remove form element attributes from a form using hook_form_alter()?
For example, given the following HTML markup, how do I remove form-text?
<input type="text" class="form-text required" maxlength="255" size="60" value="" name="title" id="edit-title">

Ollie · Answer

Insert the following into your custom module:

function YOUR_MODULE_form_alter(&$form, &$form_state, $form_id){
  switch($form_id){
    case 'YOUR_FORM_ID':
      $form['title']['#required'] => FALSE;
      break;
  }
  return $form;
}

That makes the title field optional. You can check the different form element types and the properties that go with them here: https://api.drupal.org/api/drupal/developer!topics!forms_api_reference.html/7

And you can read more about hook_form_alter here: https://api.drupal.org/api/drupal/modules%21system%21system.api.php/function/hook_form_alter/7

Remove field attributes using hook_form_alter()

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