Remove repetitive URI parameters

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1236 7c3ca157-0c34-0410-bff1-cbf682f78f5c

diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index ae097de6bbf787b8a111dcfaf5535913d0bf1b63..fcfaa8fae046b8bf08523c52108ba12325601158 100644 (file)
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -285,7 +285,7 @@ function queries_redirect($location, $message, $redirect) {
 */
 function remove_from_uri($param = "") {
        $param = "($param|" . session_name() . ")";
-       return substr(preg_replace("~([?&])$param=[^&]*&~", '\\1', "$_SERVER[REQUEST_URI]&"), 0, -1);
+       return substr(preg_replace("~(?<=[?&])$param=[^&]*&~", '', "$_SERVER[REQUEST_URI]&"), 0, -1);
 }
 
 /** Generate page number for pagination