function llms_disable_checkout_for_spammers() {
	// Bail if Spam Protection is disabled.
	if ( ! llms_is_spam_protection_enabled() ) {
		return false;
	}

	// Bail if the current visitor is not a spammer.
	if ( ! llms_is_spammer() ) {
		return false;
	}

	// Show a notice at LifterLMS checkout RE spam.
	$notice = __( 'Suspicious activity detected. Try again in a few minutes.', 'lifterlms' );
	llms_add_notice( $notice, 'error' );

	return true;
}