php获取客户端ip方法_php资料_编程技术-你的首页-uuhomepage.com
$iipp=$_SERVER["REMOTE_ADDR"];
echo $iipp;
?>  
 
PHP Code two:
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; 
echo $user_IP;
?>
///////////////////////////////////////////////
function get_real_ip(){
 $ip=false;
 if(!empty($_SERVER["HTTP_CLIENT_IP"])){
  $ip = $_SERVER["HTTP_CLIENT_IP"];
 }
 if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
  $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
  if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
  for ($i = 0; $i < count($ips); $i++) {
   if (!eregi ("^(10|172\.16|192\.168)\.", $ips[$i])) {
    $ip = $ips[$i];
    break;
   }
  }
 }
 return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}
echo get_real_ip();
?>  
 
PHP Code three:
 
//php获取ip的算法
if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"]) 
{ 
 $ip = $HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"]; 
} 
elseif ($HTTP_SERVER_VARS["HTTP_CLIENT_IP"]) 
{ 
 $ip = $HTTP_SERVER_VARS["HTTP_CLIENT_IP"]; 
}
elseif ($HTTP_SERVER_VARS["REMOTE_ADDR"]) 
{ 
 $ip = $HTTP_SERVER_VARS["REMOTE_ADDR"]; 
} 
elseif (getenv("HTTP_X_FORWARDED_FOR")) 
{ 
 $ip = getenv("HTTP_X_FORWARDED_FOR"); 
} 
elseif (getenv("HTTP_CLIENT_IP")) 
{ 
 $ip = getenv("HTTP_CLIENT_IP"); 
} 
elseif (getenv("REMOTE_ADDR"))
 { 
 $ip = getenv("REMOTE_ADDR"); 
} 
else 
{ 
 $ip = "Unknown"; 
} 
echo "你的IP:".$ip ; 
?>  
 
PHP Code four:
if(getenv('HTTP_CLIENT_IP')) { 
$onlineip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR')) { 
$onlineip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR')) { 
$onlineip = getenv('REMOTE_ADDR');
} else { 
$onlineip = $HTTP_SERVER_VARS['REMOTE_ADDR'];
}
echo $onlineip;
?>