<?php$os=$_SERVER["HTTP_USER_AGENT"]; // 浏览者操作系统及浏览器//分析浏览器if(strpos($os,"NetCaptor")) $explorer="NetCaptor";elseif(strpos($os,"Opera")) $explorer="Opera";elseif(strpos($os,"Firefox")) $explorer="Firefox";elseif(strpos($os,"MSIE 6")) $explorer="MSIE 6.x";elseif(strpos($os,"MSIE 5")) $explorer="MSIE 5.x";elseif(strpos($os,"MSIE 4")) $explorer="MSIE 4.x";elseif(strpos($os,"Netscape")) $explorer="Netscape";else $explorer="Other";// 分析操作系统if(strpos($os,"Windows NT 5.0")) $os="Windows 2000";elseif(strpos($os,"Windows NT 5.1")) $os="Windows XP";elseif(strpos($os,"Windows NT 5.2")) $os="Windows 2003";elseif(strpos($os,"Windows NT")) $os="Windows NT";elseif(strpos($os,"Windows 9")) $os="Windows 98";elseif(strpos($os,"unix")) $os="Unix";elseif(strpos($os,"linux")) $os="Linux";elseif(strpos($os,"SunOS")) $os="SunOS";elseif(strpos($os,"BSD")) $os="FreeBSD";elseif(strpos($os,"Mac")) $os="Mac";else $os="Other";//ipunset($ip);if($_SERVER['HTTP_CLIENT_IP']){$ip=$_SERVER['HTTP_CLIENT_IP'];} else if($_SERVER['HTTP_X_FORWARDED_FOR']){$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];} else{$ip=$_SERVER['REMOTE_ADDR'];}//显示浏览者信息echo "IP地址:".$ip."<br>";echo "操作系统:".$os."<br>";echo "浏览器:".$explorer."<br>";?>