false. * * @param string|null $input The current content of the filter value. * * @return string|null The unmodified content of the filter value. */ public function add_hidden_settings( $input ) { echo ''; return $input; } /** * Ensures the settings are set as we recommend them to be. * * @deprecated 1.1.0 */ public function enforce_settings() { // Intentionally left empty. } }