src/Traits/RedirectTrait.php
protected function _refererRedirectUrl($default = null)
    {
        $controller = $this->_controller();

        return $this->_redirectUrl($controller->referer($default, true));
    }
protected function _refererRedirectUrl($default = null)
    {
        $controller = $this->_controller();

        return $this->_redirectUrl($controller->referer($default, true));
    }
protected function _refererRedirectUrl ( $ default = null ) { $ controller = $ this -> _controller ( ) ; return $ this -> _redirectUrl ( $ controller -> referer ( $ default , true ) ) ; }
Returns the redirect_url for this request, with a fallback to the referring page

@param string|null $default Default URL to use redirect_url is not found in request or data
@return mixed
Returns the redirect_url for this request with a fallback to the referring page