Correctly parse string length when checking serialized data

Signed-off-by: Michal Čihař <michal@cihar.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libraries/core.lib.php b/libraries/core.lib.php
index ebed3417db..71b7eec736 100644
--- a/libraries/core.lib.php
+++ b/libraries/core.lib.php
@@ -957,7 +957,7 @@ function PMA_safeUnserialize($data)
             case 's':
                 /* string */
                 // parse sting length
-                $strlen = intval($data[$i + 2]);
+                $strlen = intval(substr($data, $i + 2));
                 // string start
                 $i = strpos($data, ':', $i + 2);
                 if ($i === false) {