PHP笔记-获取客户端IP及平台及浏览器

代码如下：

class CookieTool{
 
	......
	......
	......
 
    protected function getIPAddress(): string{
 
        $ipaddress = "";
 
        if (isset($_SERVER['HTTP_CLIENT_IP']))
            $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
        else if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
            $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
        else if(isset($_SERVER['HTTP_X_FORWARDED']))
            $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
        else if(isset($_SERVER['HTTP_FORWARDED_FOR']))
            $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
        else if(isset($_SERVER['HTTP_FORWARDED']))
            $ipaddress = $_SERVER['HTTP_FORWARDED'];
        else if(isset($_SERVER['REMOTE_ADDR']))
            $ipaddress = $_SERVER['REMOTE_ADDR'];
        else
            $ipaddress = 'UNKNOWN';
 
        return $ipaddress;
    }
 
    protected function getBrowser($agent): string{
 
        $browserAgent = "";
        if(strstr($agent, 'MSIE')) {
 
            $browserAgent="Internet Explorer";
        }
        else if(strstr($agent, 'Opera')) {
 
            $browserAgent="Opera";
        }
        else if(strstr($agent, 'Firefox')) {
 
            $browserAgent="Firefox";
        }
        else if(strstr($agent, 'Chrome')) {
 
            $browserAgent = "Chrome";
        }
        else if(strstr($agent, 'Safari')) {
 
            $browserAgent = "Safari";
        }
        else{
 
            $browserAgent = "unknown";
        }
 
        return $browserAgent;
    }
 
    protected function getPlatform($agent): string{
 
        $agent = strtolower($agent);
        $platform = "";
        if(strstr($agent, 'win')) {
 
            $platform="windows";
        }
        else if(strstr($agent, 'linux')) {
 
            $platform = "linux";
        }
        else{
 
            $platform = "unknown";
        }
 
        return $platform;
    }
 
    protected function getMacAddress(): string{
 
        $MAC = exec('getmac');
        print_r($MAC);
        $MAC = strtok($MAC, ' ');
        return $MAC;
    }
 
    public function printCookieArray(){
 
        global $cookieAndSessionArray;
        print_r($cookieAndSessionArray);
    }
 
 
    public function XXXXXX(){
 
 
        $ipAddress = $this->getIPAddress();
        $browserAgent = $this->getBrowser($_SERVER['HTTP_USER_AGENT']);
        $platform = $this->getPlatform($_SERVER['HTTP_USER_AGENT']);
        echo $ipAddress . "<br/>";
        echo $browserAgent . "<br/>";
        echo $platform . "<br/>";
    }
}

运行截图如下：