php 网站同IP查询代码

本款源码是一款php 网站同IP查询代码哦，如果你喜欢就进来看看吧。

if(function_exists('date_default_timezone_set')){
 date_default_timezone_set('Asia/Shanghai'); //设定时区
}
define("APP_ROOT",dirname(dirname(__FILE__))); //网站根目录

function visitorIP(){ //访问者IP
 if($_SERVER['HTTP_X_FORWARDED_FOR']){
    $ipa = $_SERVER['HTTP_X_FORWARDED_FOR'];
  }elseif($_SERVER['HTTP_CLIENT_IP']){
    $ipa = $_SERVER['HTTP_CLIENT_IP'];
  }else{
    $ipa = $_SERVER['REMOTE_ADDR'];
 }
 return $ipa;
}

function cleanDomain($q,$w=0){ //整理域名 $w=1过滤www.前缀 $w=0不过滤
 $q = htmlspecialchars(strtolower(trim($q)));
 if(substr($q,0,7) == "http://" || substr($q,0,8) == "https://" || substr($q,0,6) == "ftp://"){
  $q = str_replace("http:/","",$q);
  $q = str_replace("https:/","",$q);
  $q = str_replace("ftp:/","",$q);
 }
 if(substr($q,0,4) == "www." && $w==1) {
  $q = str_replace("www.","",$q);
 }
 $q = trim($q,"/");
 return $q;
}

//获取网页
class HTTPRequest
{
/*
获取网页
*/
   var $_fp;        // HTTP socket
   var $_url;        // full URL
   var $_host;        // HTTP host
   var $_protocol;    // protocol (HTTP/HTTPS)
   var $_uri;        // request URI
   var $_port;        // port
  
   // scan url
   function _scan_url()
   {
       $req = $this->_url;
      
       $pos = strpos($req, '://');
       $this->_protocol = strtolower(substr($req, 0, $pos));
      
       $req = substr($req, $pos+3);
       $pos = strpos($req, '/');
       if($pos === false)
           $pos = strlen($req);
       $host = substr($req, 0, $pos);
      
       if(strpos($host, ':') !== false)
       {
           list($this->_host, $this->_port) = explode(':', $host);
       }
       else
       {
           $this->_host = $host;
           $this->_port = ($this->_protocol == 'https') ? 443 : 80;
       }
      
       $this->_uri = substr($req, $pos);
       if($this->_uri == '')
           $this->_uri = '/';
   }
  
   // constructor
   function HTTPRequest($url)
   {
       $this->_url = $url;
       $this->_scan_url();
   }
  
   // download URL to string
   function DownloadToString()
   {
       $crlf = "rn";
       $response="";
       // generate request
       $req = 'GET ' . $this->_uri . ' HTTP/1.0' . $crlf
           .    'Host: ' . $this->_host . $crlf
           .    $crlf;
      
       // fetch
       $this->_fp = @fsockopen(($this->_protocol == 'https' ? 'ssl://' : '') . $this->_host, $this->_port);
       @fwrite($this->_fp, $req);
       while(is_resource($this->_fp) && $this->_fp && !feof($this->_fp))
           $response .= fread($this->_fp, 1024);
       @fclose($this->_fp);
      
       // split header and body
       $pos = strpos($response, $crlf . $crlf);
       if($pos === false)
           return($response);
       $header = substr($response, 0, $pos);
       $body = substr($response, $pos + 2 * strlen($crlf));
      
       // parse headers
       $headers = array();
       $lines = explode($crlf, $header);
       foreach($lines as $line)
           if(($pos = strpos($line, ':')) !== false)
               $headers[strtolower(trim(substr($line, 0, $pos)))] = trim(substr($line, $pos+1));
      
       // redirection?
       if(isset($headers['location']))
       {
           $http = new HTTPRequest($headers['location']);
           return($http->DownloadToString($http));
       }
       else
       {
           return($body);
       }
   }
}

function get_html($siteurl) {
 //将网页代码存入字符串
 $r=new HTTPRequest($siteurl);
 $htm=$r->DownloadToString();
 return $htm;
}

$visitorip = visitorIP();

$q = cleanDomain($_POST['q']);
$q_encode = urlencode($q);

$title = "同IP站点查询";

$chaxun_status = 0; //查询状态 -1是没有查询参数，0是查询出错，1是查域名，2是查IP

if(isset($_GET['action']) && trim($_GET['action']) == "do"){ //AJAX调出数据
 $ipArr = ReverseIP($q);
 if(count($ipArr)>0){
  echo '

在此IP找到了'.count($ipArr).'个域名，见下：

';
  for($i=0;$i   echo '
• '.$ipArr[$i].'
';
  }
  echo '

没有找到IP '.$ip.' 对应的域名记录！

function IpToInt($Ip){ //IP转为数字
    $array=explode('.',$Ip);
    $Int=($array[0] * 256*256*256) + ($array[1]*256*256) + ($array[2]*256) + $array[3];
    return $Int;
}

function ReverseIP($q){
 $htm = get_html('http://www.ip-adress.com/reverse_ip/'.$q);
 preg_match_all('/Whois/', $htm, $tt);
 $res = $tt[1];
 return $res;
}

if(preg_match("/[a-zA-Z-_]+/si",$q)){ //如果查询的是域名
 $ip = gethostbyname($q);
 if($ip == $q){
  $ip = $visitorip;
  $chaxun_status = -1;
 }else{
  $chaxun_status = 1;
 }
}elseif(ereg("^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$",$q)){ //如果查询的是IP
 $ip = $q;
 $chaxun_status = 2;
}else{
 $ip = $visitorip;
}
?>

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