Anti XP PHP Script ( Without Need of `browscap.ini` )

anti-xp-2.php

<?php
/**
 * Anti-XP Script
 *
 * @author 小傅Fox[<xfox@cotr.me>]
 */
/**
 * 获得客户端的操作系统
 * Source:{@link http://lok.me/a/1027.html}
 *
 * @access private
 * @return
 *
 *
 *
 */
function get_os()
{
    if( empty( $_SERVER[ 'HTTP_USER_AGENT' ] ) ){
        return 'Unknown';
    }
    
    $agent = strtolower( $_SERVER[ 'HTTP_USER_AGENT' ] );
    $os = '';
    
    if( strpos( $agent , 'win' ) !== false ){
        if( strpos( $agent , 'nt 5.1' ) !== false ){
            $os = 'Windows XP';
        } elseif( strpos( $agent , 'nt 5.2' ) !== false ){
            $os = 'Windows 2003';
        } elseif( strpos( $agent , 'nt 5.0' ) !== false ){
            $os = 'Windows 2000';
        } elseif( strpos( $agent , 'nt 6.0' ) !== false ){
            $os = 'Windows Vista';
        } elseif( strpos( $agent , 'nt 6.1' ) !== false ){
            $os = 'Windows 7';
        } elseif( strpos( $agent , 'nt 6.2' ) !== false ){
            $os = 'Windows 8';
        } elseif( strpos( $agent , 'nt' ) !== false ){
            $os = 'Windows NT';
        } elseif( strpos( $agent , 'win 9x' ) !== false && strpos( $agent , '4.90' ) !== false ){
            $os = 'Windows ME';
        } elseif( strpos( $agent , '98' ) !== false ){
            $os = 'Windows 98';
        } elseif( strpos( $agent , '95' ) !== false ){
            $os = 'Windows 95';
        } elseif( strpos( $agent , '32' ) !== false ){
            $os = 'Windows 32';
        } elseif( strpos( $agent , 'ce' ) !== false ){
            $os = 'Windows CE';
        }
    } elseif( strpos( $agent , 'linux' ) !== false ){
        $os = 'Linux';
    } elseif( strpos( $agent , 'unix' ) !== false ){
        $os = 'Unix';
    } elseif( strpos( $agent , 'sun' ) !== false && strpos( $agent , 'os' ) !== false ){
        $os = 'SunOS';
    } elseif( strpos( $agent , 'ibm' ) !== false && strpos( $agent , 'os' ) !== false ){
        $os = 'IBM OS/2';
    } elseif( strpos( $agent , 'mac' ) !== false && strpos( $agent , 'pc' ) !== false ){
        $os = 'Macintosh';
    } elseif( strpos( $agent , 'powerpc' ) !== false ){
        $os = 'PowerPC';
    } elseif( strpos( $agent , 'aix' ) !== false ){
        $os = 'AIX';
    } elseif( strpos( $agent , 'hpux' ) !== false ){
        $os = 'HPUX';
    } elseif( strpos( $agent , 'netbsd' ) !== false ){
        $os = 'NetBSD';
    } elseif( strpos( $agent , 'bsd' ) !== false ){
        $os = 'BSD';
    } elseif( strpos( $agent , 'osf1' ) !== false ){
        $os = 'OSF1';
    } elseif( strpos( $agent , 'irix' ) !== false ){
        $os = 'IRIX';
    } elseif( strpos( $agent , 'freebsd' ) !== false ){
        $os = 'FreeBSD';
    } elseif( strpos( $agent , 'teleport' ) !== false ){
        $os = 'teleport';
    } elseif( strpos( $agent , 'flashget' ) !== false ){
        $os = 'flashget';
    } elseif( strpos( $agent , 'webzip' ) !== false ){
        $os = 'webzip';
    } elseif( strpos( $agent , 'offline' ) !== false ){
        $os = 'offline';
    } else{
        $os = 'Unknown';
    }
    
    return $os;
}
if( get_os() == 'Windows XP' ){
    if( $_SERVER[ 'HTTP_ACCEPT_LANGUAGE' ] == 'zh-CN' ){
        die( '你仍然在使用落后的Windows XP操作系统，在你升级操作系统前将不能打开此页面。识别的OS为：' . get_os() );
    } elseif( $_SERVER[ 'HTTP_ACCEPT_LANGUAGE' ] == 'zh-TW' ){
        die( '你仍然在使用落後的Windows XP作業系統，在你升級作業系統前將不能開啟此頁面。識別的OS為：' . get_os() );
    } elseif( $_SERVER[ 'HTTP_ACCEPT_LANGUAGE' ] == 'zh-HK' ){
        die( '你仍然在使用落後的Windows XP作業系統，在你升級作業系統前將不能開啟此頁面。識別的OS爲：' . get_os() );
    } elseif( $_SERVER[ 'HTTP_ACCEPT_LANGUAGE' ] == 'en-US' || $_SERVER[ 'HTTP_ACCEPT_LANGUAGE' ] == 'en' ){
        die( 'You are STILL using Windows XP! We no longer offer services to you unless you upgrade your OS! Your OS is recognized as ' . get_os() );
    }
}

英语句子之间最好再加一个空格。

You are STILL using Windows XP! We no longer offer services to you unless you upgrade your OS! Your OS is recognized as xxx

请测试并merge https://gist.github.com/m13253/9249057

@m13253 Merged.