<?php

/*

 * 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<$n;$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;

    }

}

?>

<!DOCTYPE html>

<html>

<head>

    <meta charset="utf8">

    <title>demo</title>

    <script type="text/javascript">

        varip="<?php new IP(array('ONLYIP'=>true, 'ECHO'=>true));?>";

        vardata=<?php newIP(array('FORMAT'=>'JSON','ECHO'=>true));?>;

        varresult='';

        for(oo indata){

            result+=oo+':'+data[oo]+"\n";

        }

        alert(result+ip);

    </script>

</head>

<body>

<h1>CODE:</h1>

<h2>GETIP</h2>

<p>'ONLYIP'=>true,'ECHO'=>true</p>

<p><?phpnewIP(array('ONLYIP'=>true,'ECHO'=>true));?></p>

<P>'ONLYIP'=>true,'FORMAT'=>'JSON','ECHO'=>true</P>

<p><?phpnewIP(array('ONLYIP'=>true,'FORMAT'=>'JSON','ECHO'=>true));?></p>

<h2>GET Location</h2>

<p>'ECHO'=>true</p>

<p><?phpnewIP(array('ECHO'=>true));?></p>

<p>'FORMAT'=>'JSON','ECHO'=>true</p>

<p><?php newIP(array('FORMAT'=>'JSON','ECHO'=>true));?></p>

</body>

</html>