- Patch #142337 by drewish: fixed E_ALL problem.

includes/unicode.inc

@@ -441,6 +441,7 @@ function drupal_substr($text, $start, $length = NULL) {
   else {
     $strlen = strlen($text);
     // Find the starting byte offset
+    $bytes = 0;
     if ($start > 0) {
       // Count all the continuation bytes from the start until we have found
       // $start characters