php 取得客户端IP地址代码 - php函数
来源:自学PHP网
时间:2014-11-25 00:26 作者:
阅读:次
[导读] ? 开源代码functiongetip(){if(getenv(http_client_ip)strcasecmp(getenv(http_client_ip),unknown))$ip=getenv(http_client_ip); 开源elseif(getenv(http_x_forwarded_for)strca...
php 取得客户端IP地址代码
- <?
-
-
- 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
- $ip = "unknown";
- return($ip);
- }
- ?>
-
- 判断邮箱地址
- <?
- function checkemail($inaddress)
- {
- return (ereg("^([a-za-z0-9_-])+@([a-za-z0-9_-])+(.[a-za-z0-9_-])+",$inaddress));
- }
- ?>
-
- <?
- function getip() {
- if ($_server["http_x_forwarded_for"])
- $ip = $_server["http_x_forwarded_for"];
- else if ($_server["http_client_ip"])
- $ip = $_server["http_client_ip"];
- else if ($_server["remote_addr"])
- $ip = $_server["remote_addr"];
- else if (getenv("http_x_forwarded_for"))
- $ip = getenv("http_x_forwarded_for");
- else if (getenv("http_client_ip"))
- $ip = getenv("http_client_ip");
- else if (getenv("remote_addr"))
- $ip = getenv("remote_addr");
- else
- $ip = "unknown";
- return $ip;
- }
- ?>
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