limit user submit

add_filter('jnews_frontend_submit_user_subscription', function ($value) {
	$current_user = wp_get_current_user();
	$allow = [
		'subscriber',
		'administrator',
		'editor',
		'author',
	];

	foreach ($allow as $user) {
		if (user_can($current_user, $user)) return $value;
	}

	return false;
});