authentication.php
public function isWithin($url)
    {
        if ($this->isIn($this->root, $url->getBasePath())) {
            return true;
        }
        if ($this->isIn($this->root, $url->getBasePath() . $url->getPage() . '/')) {
            return true;
        }

        return false;
    }
public function isWithin($url)
    {
        if ($this->isIn($this->root, $url->getBasePath())) {
            return true;
        }
        if ($this->isIn($this->root, $url->getBasePath() . $url->getPage() . '/')) {
            return true;
        }

        return false;
    }
Test to see if the URL is within the directory tree of the realm.

@param SimpleUrl $url    URL to test.

@return bool          True if subpath.