获取访问者IP地址
[PHP]代码
- static public function getip()
- {
- if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
- {
- $ip = getenv("HTTP_CLIENT_IP");
- }
- else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
- {
- $ip = getenv("HTTP_X_FORWARDED_FOR");
- }
- else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
- {
- $ip = getenv("REMOTE_ADDR");
- }
- else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
- {
- $ip = $_SERVER['REMOTE_ADDR'];
- }
- else
- {
- $ip = "";
- }
- return($ip);
- }
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