Tools\Model\Table\Table::_autoCompleteUrl PHP Method

    protected function _autoCompleteUrl($url)
    {
        if (mb_strpos($url, '/') === 0) {
            $url = Router::url($url, true);
        } elseif (mb_strpos($url, '://') === false && mb_strpos($url, 'www.') === 0) {
            $url = 'http://' . $url;
        }
        return $url;
    }