WHOIS类的修改版
author:一佰互联 2019-05-01   click:160
1、简化了代码。(其实就是去掉了一些用不着的变量的定义) 2、针对从INTERNIC检索到的信息过于简单,根据INTERNIC反馈的信息中的WHOIS SERVER进行进一步查询。比如,YAHOO在whois.networksolutions.com上有更详细的信息。 class whois {  var $use_cache = 1;  var $FROM_CACHE=0;  var $cache_dir = "./"; // 根据你的系统自己设置 var $port = 43;  var $MAXLEN = 100;  // 如果你想在连接失败后自动重试, // 设置重试次数 $MAX_RETRIES var $MAX_RETRIES = 0;  var $SLEEP_VAL = 1;  var $RETRY = 0;  var $FOUND = 0; // 查询没有结果,次值为0 var $ERROR = 0; // 查询过程中的出错次数 var $DATA_MIN = 8; // 我们至少应该获得8个字节的数据 var $DATA_COUNT = 0;  var $WHOIS_SERVER; var $NEW_WHOIS; var $FURTHER_INFO = 0; // 打开和WHOIS SERVER的SOCKET连接 // 默认的是 whois.internic.net  function connect ($server) { $this->RETRY=0; while($this->RETRY <= $this->MAX_RETRIES): $ptr = fsockopen($server, $this->port);  if($ptr>0):  $this->ERROR=0; // just in case we"re on a retry  return($ptr);  else:  $this->ERROR++;  $this->RETRY++;  sleep($this->SLEEP_VAL);  endif;  endwhile;  }  // 获取简单的查询结果,并以行为单位,放入数组 // 国际域名查询 function rawlookup ($query, $server) { if(!$query):  return( "");  endif; $ptr=$this->connect($server); if($ptr):  if(!ereg($query, "n$")):  $query .= "n";  endif;  fputs($ptr, "$query");  $i=0;  $this->FOUND=1;  while(!feof($ptr)):  $array[$i]=fgets($ptr,$this->MAXLEN);  $this->DATA_COUNT+=strlen(chop($array[$i]));  if(eregi( "No match for", $array[$i]) || eregi ("No entries found", $array[$i])):  $this->FOUND=0;  elseif(eregi( "WHOIS database is down",$array[$i])):  $this->ERROR++;  $this->FOUND=0;  elseif(eregi( "Please wait a while and try again",$array[$i])):  $this->ERROR++;  $this->FOUND=0;  break;  endif;  if(eregi("Whois Server:",$array[$i])): $this->NEW_WHOIS=trim(substr(trim($array[$i]),(strlen(trim($array[$i]))-13)*(-1))); $this->FURTHER_INFO=1; endif; $i++;  endwhile;  fclose($ptr);  if($this->DATA_COUNT>$this->DATA_MIN): return($array);  else:  $this->ERROR++;  endif;  else:  $this->ERROR++;  endif; }  // 国内域名查询 function cnrawlookup ($query, $server) {  if(!$query):  return( "");  endif;  $ptr=$this->connect($server);  if($ptr):  if(!ereg($query, "n$")):  $query .= "n";  endif;  fputs($ptr, "$query");  $i=0;  $this->FOUND=1;  while(!feof($ptr)):  $array[$i]=fgets($ptr,$this->MAXLEN);  $this->DATA_COUNT+=strlen(chop($array[$i]));  if(eregi( "No match for", $array[$i]) || eregi ("No entries found", $array[$i])):  $this->FOUND=0;  elseif(eregi( "WHOIS database is down",$array[$i])):  $this->ERROR++;  $this->FOUND=0;  elseif(eregi( "Please wait a while and try again",$array[$i])):  $this->ERROR++;  $this->FOUND=0;  break;  endif;  $i++;  endwhile;  fclose($ptr);  if($this->DATA_COUNT>$this->DATA_MIN): return($array);  else:  $this->ERROR++;  endif;  else:  $this->ERROR++;  endif;  }  }; $myWHOIS=new whois(); $thisname=$servername.$domainname; // 根据国内域名或国际域名选择WHOIS SERVER if (ereg(".cn$",$thisname)) { $myWHOIS->WHOIS_SERVER="whois.cnnic.net.cn"; $array=$myWHOIS->cnrawlookup($thisname,$myWHOIS->WHOIS_SERVER); } else { $myWHOIS->WHOIS_SERVER="whois.internic.net"; //$myWHOIS->WHOIS_SERVER="whois.networksolutions.com"; $array=$myWHOIS->rawlookup($thisname,$myWHOIS->WHOIS_SERVER); } echo " ".$thisname." "; echo ""; $x=0; while ($x { echo " $x "; echo " $array[$x] "; $x++; } echo "  "; if (!ereg(".cn$",$thisname)) { echo " Furth infomation "; $array_further=$myWHOIS->rawlookup($thisname,$myWHOIS->NEW_WHOIS); echo ""; $x=0; while ($x { echo " $x "; echo " $array_further[$x] "; $x++; } echo "  "; } ?>