* Partially fix bug #15423.

25 years ago · 5e9b1634c6
1 changed files with 2 additions and 1 deletions
--- a/pear/HTTP.php
+++ b/pear/HTTP.php
@ -107,7 +107,8 @@ class HTTP {
        /* Check for a valid language code in the top-level domain of
         * the client's host address.
         */
-        if (ereg("\.[^\.]+$", $HTTP_SERVER_VARS['REMOTE_HOST'], $arr)) {
+        if (isset($HTTP_SERVER_VARS['REMOTE_HOST']) &&
+            ereg("\.[^\.]+$", $HTTP_SERVER_VARS['REMOTE_HOST'], $arr)) {
            $lang = strtolower($arr[1]);
            if (!empty($supported[$lang])) {
                return $lang;