📄 default-form-settings.php

<?php

return [
    'css'                => 0,
    'double_optin'       => 1,
    'hide_after_success' => 0,
    'lists'              => [],
    'redirect'           => '',
    'replace_interests'  => 1,
    'required_fields'    => '',
    'update_existing'    => 0,
    'subscriber_tags'    => '',
];