1 <?php
2 namespace Eoffcn\Util;
3 class Network {
4 /**
5 * 获取ip
6 * @return string
7 */
8 public static function getIP() {
9 $ip = false;
10 if (!empty ($_SERVER ["HTTP_CLIENT_IP"])) {
11 $ip = $_SERVER ["HTTP_CLIENT_IP"];
12 }
13 if (!empty ($_SERVER ['HTTP_X_FORWARDED_FOR'])) {
14 $ips = explode(", ", $_SERVER ['HTTP_X_FORWARDED_FOR']);
15 if ($ip) {
16 array_unshift($ips, $ip);
17 $ip = FALSE;
18 }
19 for ($i = 0; $i < count($ips); $i++) {
20 if (!preg_match("/^(10|172\.16|192\.168)\./i", $ips [$i])) {
21 $ip = $ips [$i];
22 break;
23 }
24 }
25 }
26 return ($ip ? $ip : $_SERVER ['REMOTE_ADDR']);
27 }
28
29 /**
30 * 获得当前的url
31 * @return string
32 */
33 public static function getCurrentURL() {
34 $scheme = 'http';
35 if (self::usingHTTPS()) {
36 $scheme .= 's';
37 }
38
39 return sprintf('%s://%s%s', $scheme, $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI']);
40 }
41
42 /**
43 * 获得当前的域名
44 * @return string
45 */
46 public static function getCurrentDomain() {
47 return isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
48 }
49
50 /**
51 * 是否使用https
52 * @return bool
53 */
54 public static function usingHTTPS() {
55 if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
56 return true;
57 } elseif (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https' || !empty($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') {
58 return true;
59 }
60 return false;
61 }
62 }
