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-rw-r--r--lib/util.php9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/util.php b/lib/util.php
index db794181c..c8e318efe 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -1410,20 +1410,21 @@ function common_client_ip()
return null;
}
- if ($_SERVER['HTTP_X_FORWARDED_FOR']) {
- if ($_SERVER['HTTP_CLIENT_IP']) {
+ if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
+ if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
$proxy = $_SERVER['HTTP_CLIENT_IP'];
} else {
$proxy = $_SERVER['REMOTE_ADDR'];
}
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
- if ($_SERVER['HTTP_CLIENT_IP']) {
+ $proxy = null;
+ if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
}
- return array($ip, $proxy);
+ return array($proxy, $ip);
}