php ip轉換省市縣

http://www.cz88.net/ip/

http://www.ttlsa.com/php/php_cunzhen-ipdata/

 

 

#　　wget h http://6.scdx3.crsky.com/201307/qqwry0715.zip
#　　unzip qqwry0715.zip
#　　mv ip/qqwry.dat /data/site/test.ttlsa.com/qqwry.dat

 

 

p
class cls_ipAddress{
private $fp;
private $firstip;
private $lastip;
private $totalip;

public function __construct($filename="qqwry.dat"){
$this->fp=0;
if(($this->fp=@fopen($filename,"rb"))!==false){
$this->firstip=$this->getlong();
$this->lastip=$this->getlong();
$this->totalip=($this->lastip-$this->firstip)/7;
register_shutdown_function(array(&$this,"__destruct"));
}
}

public function __destruct(){
if($this->fp){
@fclose($this->fp);
}
$this->fp=0;
}

private function getlong(){
$result=unpack("Vlong",fread($this->fp,4));
return $result["long"];
}

private function getlong3(){
$result=unpack("Vlong",fread($this->fp,3).chr(0));
return $result["long"];
}

private function packip($ip){
return pack("N",intval(ip2long($ip)));
}

private function getstring($data=""){
$char=fread($this->fp,1);
while(ord($char)>0){
$data.=$char;
$char=fread($this->fp,1);
}
return $data;
}

private function getarea(){
$byte=fread($this->fp,1);
switch(ord($byte)){
case 0:
$operators="";
break;
case 1:
case 2:
fseek($this->fp,$this->getlong3());
$operators=$this->getstring();
break;
default:
$operators=$this->getstring($byte);
break;}
return $operators;
}

public function getlocation($ip){ if(!$this->fp){return null;} $location["ip"]=gethostbyname($ip); $ip=$this->packip($location["ip"]); $l=0; $u=$this->totalip; $findip=$this->lastip; while($l<=$u){ $i=floor(($l+$u)/2); fseek($this->fp,$this->firstip+$i*7); $startip=strrev(fread($this->fp,4)); if($ip<$startip){ $u=$i-1; }else{ fseek($this->fp,$this->getlong3()); $endip=strrev(fread($this->fp,4)); if($ip>$endip){ $l=$i+1; }else{ $findip=$this->firstip+$i*7; break; } } } fseek($this->fp,$findip); $location["startip"]=long2ip($this->getlong()); $offset=$this->getlong3(); fseek($this->fp,$offset); $location["endip"]=long2ip($this->getlong()); $byte=fread($this->fp,1); switch(ord($byte)){ case 1: $countryOffset=$this->getlong3(); fseek($this->fp,$countryOffset); $byte=fread($this->fp,1); switch(ord($byte)){ case 2: fseek($this->fp,$this->getlong3()); $location["area"]=$this->getstring(); fseek($this->fp,$countryOffset+4); $location["operators"]=$this->getarea(); break; default: $location["area"]=$this->getstring($byte); $location["operators"]=$this->getarea(); break;} break; case 2: fseek($this->fp,$this->getlong3()); $location["area"]=$this->getstring(); fseek($this->fp,$offset+8); $location["operators"]=$this->getarea(); break; default: $location["area"]=$this->getstring($byte); $location["operators"]=$this->getarea(); break;} if($location["area"]=="CZ88.NET"){ $location["area"]="未知"; } if($location["operators"]=="CZ88.NET"){ $location["operators"]="未知"; } return $location; } }