protected function checkBrowserEdge()
    {
        if (stripos($this->_agent, 'edge') !== false) {
            $aresult = explode('/', stristr($this->_agent, 'Edge'));
            $aversion = explode(' ', $aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_EDGE);

            return true;

        }

        return false;
    }