Forms

<div class="field">
    <?= label('Name', 'name') ?>
    <?= input('text', 'name') ?>
</div>

<form action="<?= $page->url() ?>" method="post">
    <!-- ... -->

    <?= csrf_field() ?>
    <?= turnstileField() ?>
    <input type="submit" value="Submit">
</form>
<?= turnstileScript() ?>

$form = new Form([
    'name' => [
        'rules'   => ['required'],
        'message' => ['Name is required']
    ],
]);