# Name: PHP+Ajax 网站SEO查询工具
# Author: 年华<nianhua.liu@gmail.com> [Q:4908220]
# Homepage:http://master8.net
使用说明:
1.服务器必须至少支持allow_url_fopen,curl,fsockopen中的一种，具体请咨询服务器管理员。
2.请尊重别人的劳动成果!你可以任意修改并使用此程序,但不允许修改后公开发布!传播此程序亦应保持此压缩包完整性!
3.如果在使用中遇到任何问题，请访问http://master8.net/bbs/提出以便得到解决。
ajax.js

// Name: PHP+Ajax 网站SEO查询工具 
// Author: 年华<nianhua.liu@gmail.com> [Q:4908220] 
// Notice: Use It After READ readme.txt 
// (c) 2007 www.master8.net 
var xmlHttp; 
function makeRequest(queryString) { 
    var msXml = new Array(); 
    msXml[0] = "Microsoft.XMLHTTP"; 
    msXml[1] = "MSXML2.XMLHTTP.5.0"; 
    msXml[2] = "MSXML2.XMLHTTP.4.0"; 
    msXml[3] = "MSXML2.XMLHTTP.3.0"; 
    msXml[4] = "MSXML2.XMLHTTP"; 
    if (window.xmlHttpRequest) { 
        xmlHttp = new XMLHttpRequest(); 
    } else { 
        for (var i = 0; i < msXml.length; i++) { 
            try { 
                xmlHttp = new ActiveXObject(msXml[i]); 
                break; 
            } catch (e) { 
                xmlHttp = new xmlHttpRequest(); 
            } 
        } 
    } 
    xmlHttp.onreadystatechange = getRequest; 
    xmlHttp.open('post', 'seo.php', true); 
    xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); 
    xmlHttp.send(queryString); 
} 
function getRequest() { 
    if(xmlHttp.readyState==4) {  
        if(xmlHttp.status==200) { 
            $('seo_result').innerHTML =  xmlHttp.responseText; 
        } 
    }     
}

seo.php

<?php 
# Name: PHP+Ajax 网站SEO查询工具 
# Author: 年华<nianhua.liu@gmail.com> [Q:4908220] 
# Notice: Use It After READ readme.txt 
# (c) 2007 www.master8.net 
define('IN_SEO', TRUE); 
error_reporting(E_ERROR); 
set_time_limit(0); 
isset($_SERVER['HTTP_REFERER']) or exit('Invalid Request'); 
preg_match("/".$_SERVER['HTTP_HOST']."/i", $_SERVER['HTTP_REFERER']) or exit('Access Denied'); 
header("Content-Type:text/html;charset=gb2312"); 
include './robot.php'; 
require './function.php'; 
@extract($_POST); 
isset($job) && isset($domain) or exit('Invalid Request'); 
$domain = strtolower($domain); 
is_domain($domain) or exit('Invalid Domain'); 
$jobs=array('google','baidu','yahoo','msn','sogou','iask','so163','zhongsou','vnet'); 
$result = ''; 
if(in_array($job, $jobs)) 
{ 
    $result = get_seo_info($domain, $job); 
} 
elseif($job == 'alexa') 
{ 
    $result = Alexa($domain); 
} 
elseif($job == 'chinarank') 
{ 
    $result = ChinaRank($domain);     
} 
elseif($job == 'pagerank') 
{ 
    $result = '<img src="./images/pagerank'.PageRank($domain).'.gif" align="absmiddle" /> '.$domain; 
    if(substr($domain, 0, 4) == 'www.') 
    { 
        $domain = substr($domain, 4); 
        $result.= '  <img src="./images/pagerank'.PageRank($domain).'.gif" align="absmiddle" /> '.$domain; 
    } 
} 
elseif($job == 'sogourank') 
{ 
    $result = sogouRank($domain).' '.$domain; 
    if(substr($domain, 0, 4) == 'www.') 
    { 
        $domain = str_replace("www.", '', $domain); 
        $result = $result.'  '.sogouRank($domain).' '.$domain; 
    } 
} 
!empty($result) or exit('Invalid Request'); 
echo '<img src="./images/yes.gif" align="absmiddle" /> '.$result; 
?>