<?php namespace BitApps\FM\Http\Rules; use BitApps\WPValidator\Rule; class ValidUIOptionRule extends Rule { public function validate($value) { foreach ($value as $option) { if (! \in_array($option, ['toolbar','places','tree','path','stat'])) { return false; } } return true; } public function message() { return __('UI option must be valid', 'file-manager'); } }