系统有时会要求采集用户的IP地址,本文介绍了PHP程序获取用户真实IP地址的两种方法,希望对大家有所帮助。
获取用户IP地址方法一:
php 代码:
- function GetRealIP() {
- static $realip;
- if (isset($_SERVER)){
- if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
- $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
- } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
- $realip = $_SERVER["HTTP_CLIENT_IP"];
- } else {
- $realip = $_SERVER["REMOTE_ADDR"];
- }
- } else {
- if (getenv("HTTP_X_FORWARDED_FOR")){
- $realip = getenv("HTTP_X_FORWARDED_FOR");
- } else if (getenv("HTTP_CLIENT_IP")) {
- $realip = getenv("HTTP_CLIENT_IP");
- } else {
- $realip = getenv("REMOTE_ADDR");
- }
- }
- if (strpos($realip, ',') === false) {
- $sUserIp = $realip;
- } else {
- $arrUserIp = explode(',' , $realip);
- $sUserIp = $arrUserIp[0];
- }
- return $sUserIp;
- }
获取用户IP地址方法二:
php 代码:
- function get_real_ip(){
- 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";
- }
- if ( strpos( $ip, ',' ) ){
- $ipArr = explode( ',', $ip );
- $ip = $ipArr[ 0 ];
- }
- return $ip;
- }
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