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¿Í»§¶ËIPÏà¹ØµÄ±äÁ¿
1. $_SERVER['REMOTE_ADDR']; ¿Í»§¶ËIP£¬ÓпÉÄÜÊÇÓû§µÄIP£¬Ò²ÓпÉÄÜÊÇ´úÀíµÄIP¡£
2. $_SERVER['HTTP_CLIENT_IP']; ´úÀí¶ËµÄIP£¬¿ÉÄÜ´æÔÚ£¬¿ÉαÔì¡£
3. $_SERVER['HTTP_X_FORWARDED_FOR']; Óû§ÊÇÔÚÄĸöIPʹÓõĴúÀí£¬¿ÉÄÜ´æÔÚ£¬¿ÉÒÔαÔì¡£
·þÎñÆ÷¶ËIPÏà¹ØµÄ±äÁ¿
1. $SERVER_NAME£¬ÐèҪʹÓú¯Êýgethostbyname()»ñµÃ¡£Õâ¸ö±äÁ¿ÎÞÂÛÔÚ·þÎñÆ÷¶Ë»¹Êǿͻ§¶Ë¾ùÄÜÕýÈ·ÏÔʾ¡£
2. $HTTP_SERVER_VARS["SERVER_ADDR"]£¬ÔÚ·þÎñÆ÷¶Ë²âÊÔ£º127.0.0.1£¨Õâ¸öÓëhttpd.confÖÐBindAddressµÄÉèÖÃÖµÏà¹Ø£©¡£ÔÚ¿Í»§¶Ë²âÊÔ½á¹ûÕýÈ·¡£
3. $_SERVER['LOCAL_ADDR'] ¡¢$HTTP_SERVER_VARS['LOCAL_ADDR']£¬²âÊÔÖУ¬Î´»ñµÃÈκνá¹û£¨²âÊÔ»·¾³PHP5£©¡£
ÍêÕûµÄ»ñµÃIPÀà
class getIP{
function clientIP(){
$cIP = getenv('REMOTE_ADDR');
$cIP1 = getenv('HTTP_X_FORWARDED_FOR');
$cIP2 = getenv('HTTP_CLIENT_IP');
$cIP1 ? $cIP = $cIP1 : null;
$cIP2 ? $cIP = $cIP2 : null;
return $cIP;
}
function serverIP(){
return gethostbyname($_SERVER_NAME);
}
}
 
$getIP = new getIP();
$clientIp = getIP::clientIP();
$serverIp = getIP::serverIP();
 
echo 'Client IP is ',$clientIp,'<br />';
echo 'Server IP is ',$serverIp,'<br />';


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