Crud\Traits\RedirectTrait::_redirectUrl PHP Method

    protected function _redirectUrl($default = null)
    {
        $request = $this->_request();
        if (!empty($request->data['_redirect_url'])) {
            return $request->data['_redirect_url'];
        }
        if (!empty($request->query['_redirect_url'])) {
            return $request->query['_redirect_url'];
        }
        if (!empty($request->data['redirect_url'])) {
            return $request->data['redirect_url'];
        }
        if (!empty($request->query['redirect_url'])) {
            return $request->query['redirect_url'];
        }
        return $default;
    }