PHP+Curl伪造客户端获取页面方法

public function getUrlContent($url){
        // 初始化一个curl会话
        $ch = curl_init();
        curl_setopt( $ch, CURLOPT_URL, $url);
        curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, 5);
        curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt( $ch, CURLOPT_REFERER, 'http://www.phpxs.com');
        curl_setopt( $ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5' );
        curl_setopt( $ch, CURLOPT_POST, 1); //设置为POST方式
        curl_setopt( $ch, CURLOPT_POSTFIELDS, array()); //数据传输
        curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1 ); //解决重定向问题
        curl_setopt( $ch, CURLOPT_COOKIE, 'redirectLogin=3;t=1766da7fa03df9fdb66af1ebaa160ecc;');
        // 执行一个curl会话
        $contents = curl_exec($ch);
        // 返回一个保护当前会话最近一次错误的字符串
        $error = curl_error($ch);
        if($error){
            echo 'Error: '.$error;
        }
        // 关闭一个curl会话
        curl_close( $ch );
        return $contents;
    }