1 files changed, 4 insertions, 2 deletions
diff --git a/lib/util.php b/lib/util.php
index cd9bd9ed8..0402e2401 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -570,7 +570,8 @@ function common_linkify($url) {
 
 function common_shorten_links($text)
 {
-    if (mb_strlen($text) <= 140) return $text;
+    $maxLength = Notice::maxContent();
+    if ($maxLength == 0 || mb_strlen($text) <= $maxLength) return $text;
     return common_replace_urls_callback($text, array('File_redirection', 'makeShort'));
 }
 
@@ -1152,7 +1153,8 @@ function common_negotiate_type($cprefs, $sprefs)
 function common_config($main, $sub)
 {
     global $config;
-    return isset($config[$main][$sub]) ? $config[$main][$sub] : false;
+    return (array_key_exists($main, $config) &&
+            array_key_exists($sub, $config[$main])) ? $config[$main][$sub] : false;
 }
 
 function common_copy_args($from)