Avoid notices in some environments

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@13897 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/include/init.php b/include/init.php
index 28f7b451814e9d3564adf727b92d16a6d0ab8b23..79c39c034c69432c69845393e58e6e8a2673e5ea 100644 (file)
--- a/include/init.php
+++ b/include/init.php
@@ -276,9 +276,12 @@ if (function_exists('get_magic_quotes_gpc') && @get_magic_quotes_gpc()) {
  * QUERY_STRING also needs the same treatment since it is
  * used in php_self().
  */
-$_SERVER['REQUEST_URI'] = htmlspecialchars($_SERVER['REQUEST_URI']);
-$_SERVER['PHP_SELF'] = htmlspecialchars($_SERVER['PHP_SELF']);
-$_SERVER['QUERY_STRING'] = htmlspecialchars($_SERVER['QUERY_STRING']);
+if (isset($_SERVER['REQUEST_URI']))
+    $_SERVER['REQUEST_URI'] = htmlspecialchars($_SERVER['REQUEST_URI']);
+if (isset($_SERVER['PHP_SELF']))
+    $_SERVER['PHP_SELF'] = htmlspecialchars($_SERVER['PHP_SELF']);
+if (isset($_SERVER['QUERY_STRING']))
+    $_SERVER['QUERY_STRING'] = htmlspecialchars($_SERVER['QUERY_STRING']);
 
 $PHP_SELF = php_self();