table}.{$field}]"; break; case $this->getTitleField(): $rule = "required|trim|string"; break; case "site": $rule = "required|trim|string"; break; case "email": $rule = "required|trim|valid_email"; break; case "detail": $rule = "required|trim|string"; break; default: $rule = parent::getFormFieldRule($action, $field); break; } return $rule; } }