Laraveldaily\Quickadmin\Models\Menu::availableForRole PHP Метод

    public function availableForRole($role)
    {
        if ($role instanceof Role) {
            $role = $role->id;
        }
        if (!isset($this->relation_ids['roles'])) {
            $this->relation_ids['roles'] = $this->roles()->pluck('id')->flip()->all();
        }
        return isset($this->relation_ids['roles'][$role]);
    }