form.php
public function getAction()
    {
        $url = $this->action;
        if ($this->default_target && ! $url->getTarget()) {
            $url->setTarget($this->default_target);
        }
        if ($this->getMethod() === 'get') {
            $url->clearRequest();
        }

        return $url;
    }
public function getAction()
    {
        $url = $this->action;
        if ($this->default_target && ! $url->getTarget()) {
            $url->setTarget($this->default_target);
        }
        if ($this->getMethod() === 'get') {
            $url->clearRequest();
        }

        return $url;
    }
Absolute URL of the target.

@return SimpleUrl           URL target.