腾讯IP地址API的使用

<script language="javascript" type="text/javascript" src="http://fw.qq.com/ipaddress"></script>
 
<script>document.write("你的IP是："+IPData[0]+"，来自："+IPData[2]);</script>

function getIpAdress(){
 //this code is from phpwind
 if($_SERVER['HTTP_X_FORWARDED_FOR']){
     $onlineip = $_SERVER['HTTP_X_FORWARDED_FOR'];
 } elseif($_SERVER['HTTP_CLIENT_IP']){
     $onlineip = $_SERVER['HTTP_CLIENT_IP'];
 } else{
  $onlineip = $_SERVER['REMOTE_ADDR'];
 }
 return $onlineip;
}

function getMyIpAdress(){
 //thin code is from discuz
 if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
  $onlineip = getenv('HTTP_CLIENT_IP');
 } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
  $onlineip = getenv('HTTP_X_FORWARDED_FOR');
 } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
  $onlineip = getenv('REMOTE_ADDR');
 } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
  $onlineip = $_SERVER['REMOTE_ADDR'];
 }
 return $onlineip;
}

function getIpPlace(){
 //use file_get_contents()
 $cookie = $_GET['cookie'];
 $HttpReferrer = $_SERVER['HTTP_REFERER'];
 $HttpClientIP = $_SERVER['HTTP_CLIENT_IP'];
 $RemAddr = $_SERVER['REMOTE_ADDR'];
 $XForward = $_SERVER['HTTP_X_FORWARDED_FOR'];
 $opts = array(
 'http'=>array(
  'user-agent'=>$_SERVER['HTTP_USER_AGENT'],
  'method'=>"GET",
  'header'=>"Content-type: application/x-www-form-urlencoded

".
   "Referer:".$HttpReferrer."

".
   "Cookie:".$cookie."

".
   "X_FORWARDED_FOR:".$XForward."

".
   "CLIENT_IP:".$HttpClientIP."

".
   "

",
  )
 );
 $cxContext = stream_context_create($opts);
 $ip=file_get_contents("http://fw.qq.com/ipaddress",false,$cxContext);
 $ip=str_replace('"',' ',$ip);
 $ip2=explode("(",$ip);
 $a=substr($ip2[1],0,-2);
 $b=explode(",",$a);
 return $b;
}