patch #1253465, avoid error messages for unset variables in PHP functions that require a parameter passed by reference

1 files changed, 1 insertions, 1 deletions

diff --git a/pdf_schema.php b/pdf_schema.php
index 038f23b61d..fd749b5e8b 100644
--- a/pdf_schema.php
+++ b/pdf_schema.php
@@ -1439,7 +1439,7 @@ function PMA_RT_DOC($alltables ){
             $type             = $row['Type'];
             // reformat mysql query output - staybyte - 9. June 2001
             // loic1: set or enum types: slashes single quotes inside options
-            if (preg_match('@^(set|enum)\((.+)\)$@i', $type, $tmp)) {
+            if (preg_match('@^(set|enum)\((.+)\)$@i', $type, $tmp = array())) {
                 $tmp[2]       = substr(preg_replace("@([^,])''@", "\\1\\'", ',' . $tmp[2]), 1);
                 $type         = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
                 $type_nowrap  = '';