From c77cfa7d13370a7f1e3236c5896f89981e61406f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Tue, 16 Jan 2018 16:05:04 +0100
Subject: [PATCH] Avoid operating on uset array index
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Fixes #13939

Signed-off-by: Michal Čihař <michal@cihar.com>
---
 libraries/pmd_common.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/pmd_common.php b/libraries/pmd_common.php
index 2618649136..ef1f47d444 100644
--- a/libraries/pmd_common.php
+++ b/libraries/pmd_common.php
@@ -402,7 +402,7 @@ function PMA_getLoadingPage($db)
             $GLOBALS['controllink'],
             PMA\libraries\DatabaseInterface::QUERY_STORE
         );
-        if (count($min_page_no[0])) {
+        if (isset($min_page_no[0]) && count($min_page_no[0])) {
             $page_no = $min_page_no[0];
         }
     }