/*
* GET LOCATION BY SINA IP INTERFACE
*
* @SOULTEARY 2013.04.14
*/
classIP
{
private $args=array();

function__construct()
{
$this->args=self::init_args(func_get_args());
$ip=self::GetIP();

$ret=preg_match_all('/(\d+\.){3}\d+/i',$ip,$result);
if(!$ret){
returnfalse;
}else{
$result=$result[0];
}

if(isset($this->args['ONLYIP'])&&$this->args['ONLYIP']==true){

if(isset($this->args['FORMAT'])&&$this->args['FORMAT']=='JSON'){
$result=json_encode($result);
}else{
$result=implode(',',$result);
}
if(isset($this->args['ECHO'])&&$this->args['ECHO']==true){
echo$result;
returntrue;
}else{
return$result;
}
}else{

$apiURL='http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip='.$result[0];
if(isset($this->args['FORMAT'])&&$this->args['FORMAT']=='JSON'){
$apiURL.='&format=json';
$return=$this->ipCURL($apiURL);
}else{
$return=$this->ipCURL($apiURL);
$return=iconv("GBK//IGNORE","UTF-8",$return);
}

if(isset($this->args['ECHO'])&&$this->args['ECHO']==true){
echo$return;
returntrue;
}else{
return$return;
}

}

}

public functioninit_args($args)
{
$result=array();
for($i=0,$n=count($args);$i $result=self::associative_push($args[$i],$result);
}
return$result;
}

public functionassociative_push($arr,$tmp)
{
if(is_array($tmp)){
foreach($tmpas$key=>$value){
$arr[$key]=$value;
}
return$arr;
}
returnfalse;
}

public functionGetIP()
{
if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])&&

$_SERVER['HTTP_X_FORWARDED_FOR']&&strcasecmp($_SERVER['HTTP_X_FORWARDED_FOR'],'unknown')){
return$_SERVER['HTTP_X_FORWARDED_FOR'];
}elseif(isset($_SERVER['REMOTE_ADDR'])&&$_SERVER['REMOTE_ADDR']&&

strcasecmp($_SERVER['REMOTE_ADDR'],'unknown')){
return$_SERVER['REMOTE_ADDR'];
}
}

private functionipCURL($url)
{
$ch=curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_HEADER,0);
ob_start();
curl_exec($ch);
curl_close($ch);
$result=ob_get_contents();
ob_end_clean();
return$result;
}
}

?>

CODE:

GETIP

'ONLYIP'=>true,'ECHO'=>true

true,'ECHO'=>true));?>

'ONLYIP'=>true,'FORMAT'=>'JSON','ECHO'=>true

true,'FORMAT'=>'JSON','ECHO'=>true));?>

GET Location

'ECHO'=>true

true));?>

'FORMAT'=>'JSON','ECHO'=>true

'JSON','ECHO'=>true));?>