Fix occasional PHP notice

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@14324 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/functions/html.php b/functions/html.php
index f8dafc9b2726785026a61595f9bd533bfc373485..edacc1eefcce161dfd677d7c422238c8f461343b 100644 (file)
--- a/functions/html.php
+++ b/functions/html.php
@@ -390,7 +390,7 @@ function set_url_var($url, $var, $val=null, $link=true, $treat_as_array=false) {
             $p = explode('=', $p);
             $newpar[$p[0]] = (isset($p[1]) ? $p[1] : '');
             if ($treat_as_array && preg_match('/(.*)\[(\d+)]$/', $p[0], $matches)) {
-               if (!is_array($array_names[$matches[1]])) $array_names[$matches[1]] = array();
+               if (!isset($array_names[$matches[1]])) $array_names[$matches[1]] = array();
                $array_names[$matches[1]][$matches[2]] = $p[1];
             }
         }