From 576fcf24fe77373bd2609fa8e431fdcfc44912b8 Mon Sep 17 00:00:00 2001
From: Too Much IO <toomuchio@users.noreply.github.com>
Date: Wed, 20 Dec 2017 17:28:21 +1100
Subject: [PATCH] Add support for reverse proxys (#100)

---
 getIP.php | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/getIP.php b/getIP.php
index b6b2fbe..0e2a8c7 100644
--- a/getIP.php
+++ b/getIP.php
@@ -1,4 +1,12 @@
 <?php
-header('Content-Type: text/plain; charset=utf-8');
-echo $_SERVER['REMOTE_ADDR'];
+    header('Content-Type: text/plain; charset=utf-8');
+    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+        echo $_SERVER['HTTP_CLIENT_IP'];
+    } elseif (!empty($_SERVER['X-Real-IP'])) {
+        echo $_SERVER['X-Real-IP'];
+    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        echo $_SERVER['HTTP_X_FORWARDED_FOR'];
+    } else {
+        echo $_SERVER['REMOTE_ADDR'];
+    }
 ?>