From: thepurpleblob <thepurpleblob>
Date: Wed, 21 Mar 2007 11:18:28 +0000 (+0000)
Subject: Check for empty text strings. Thanks to Quedoc.
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=171022696687537d4e3b66d4208c095a7b65556e;p=moodle.git

Check for empty text strings. Thanks to Quedoc.
---

diff --git a/question/format/xml/format.php b/question/format/xml/format.php
index 6c657d63a0..2b0b662802 100755
--- a/question/format/xml/format.php
+++ b/question/format/xml/format.php
@@ -74,6 +74,10 @@ class qformat_xml extends qformat_default {
      * @return string processed text
      */
     function import_text( $text ) {
+        // quick sanity check
+        if (empty($text)) {
+            return '';
+        }
         $data = $text[0]['#'];
         return addslashes(trim( $data ));
     }