diff --git a/adminer/include/export.inc.php b/adminer/include/export.inc.php
index 00b0b52c..11a98ea1 100644
--- a/adminer/include/export.inc.php
+++ b/adminer/include/export.inc.php
@@ -158,5 +158,5 @@ function dump_headers($identifier, $multi_table = false) {
}
$dump_output = "";
-$dump_output = "";
+$dump_format = "";
$max_packet = 1048576; // default, minimum is 1024
diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index e8447b75..9c3a9f17 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -254,7 +254,9 @@ function is_utf8($val) {
}
function shorten_utf8($string, $length = 80, $suffix = "") {
- preg_match("~^((?:.|\n){0,$length})(.|\n)?~u", $string, $match); // ~s causes trash in $match[2] under some PHP versions
+ if (!preg_match("~^((?:.|\n){0,$length})(.|\n)?~u", $string, $match)) { // ~s causes trash in $match[2] under some PHP versions
+ preg_match("(^([\t\r\n -~]{0,$length})(.?))s", $string, $match);
+ }
return h($match[1]) . $suffix . ($match[2] ? "..." : "");
}