- <?php
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-
-
- class Ip {
- public static function get() {
- if ($_SERVER['HTTP_CLIENT_IP'] && $_SERVER['HTTP_CLIENT_IP']!='unknown') {
- $ip = $_SERVER['HTTP_CLIENT_IP'];
- } elseif ($_SERVER['HTTP_X_FORWARDED_FOR'] && $_SERVER['HTTP_X_FORWARDED_FOR']!='unknown') {
- $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
- } else {
- $ip = $_SERVER['REMOTE_ADDR'];
- }
- return $ip;
- }
-
- public static function ipToInt($ip) {
- $ips = explode('.',$ip);
- if (count($ips)>=4) {
- $int = $ips[0]*256*256*256+$ips[1]*256*256+$ips[2]*256+$ips[3];
- } else {
- throw new Exception('ip is error');
- }
- return $int;
- }
-
- public static function isIn($startIp, $endIp, $ip) {
- $start = Ip::ipToInt($startIp);
- $end = Ip::ipToInt($endIp);
- $ipInt = Ip::ipToInt($ip);
- $result = false;
- if ($ipInt>=$start && $ipInt<=$end) {
- $result = true;
- }
- return $result;
- }
- }
- ?>