ControllerDesignMenu::validateForm PHP Method

    protected function validateForm()
    {
        if (!$this->user->hasPermission('modify', 'design/menu')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }
        foreach ($this->request->post['menu_description'] as $language_id => $value) {
            if (utf8_strlen($value['name']) < 3 || utf8_strlen($value['name']) > 255) {
                $this->error['name'][$language_id] = $this->language->get('error_name');
            }
        }
        return !$this->error;
    }