remote::agent PHP Method

    function agent($id = false)
    {
        $agents = array('safari' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_7; de-de) AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0 Safari/530.17', 'firefox' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.10) Gecko/2009042315 Firefox/3.0.10', 'ie' => 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)', 'opera' => 'Opera/9.64 (Macintosh; Intel Mac OS X; U; en) Presto/2.1.1', 'iphone' => 'Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16');
        if (!$id) {
            // return a random agent
            shuffle($agents);
            return a::get($agents, 0);
        }
        return a::get($agents, $id);
    }