1

If I create a custom form with get method:

$form['#method'] = 'get';

When I click the submit button, many variables are populated with GET Can I remove them cleanly according to the drupal logic?

4

You need to alter the form after it has been built, for example

$build = [];
$build['filter'] = $this->formBuilder->getForm(LibrarySearch::class);
$build['filter']['form_id']['#access'] = FALSE;
$build['filter']['form_build_id']['#access'] = FALSE;
$build['filter']['form_token']['#access'] = FALSE;

Once the form has been turned into a render array, you can set the access to FALSE for those items. This is also documented in the core Search module.

0

Another way to solve this problem.

Implement a hook form alter in your corresponding module in the

[name_of_your_module].module file, just add

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Need to don't see the parameters 'form_build_id' and 'form_id' in the url.
 */
function hook_form_FORM_ID_alter(&$form, &$form_state, $form_id) {
  unset($form['form_build_id'], $form['form_id']);
}
0

Needs to alter the form to unset form_id and form_build_id. In bellow code formid is the id of the form where you want to remove form_id and form_build_id.

function mymodule_form_formid_alter(&$form, &$form_state, $form_id) {

unset($form['form_build_id'], $form['form_id']);

}

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