4888: ims_import.php: prevent "Undefined index: -1 in endElement()

diff --git a/home/ims/ims_import.php b/home/ims/ims_import.php
index d641501..1ecf8e8 100644 (file)
--- a/home/ims/ims_import.php
+++ b/home/ims/ims_import.php
@@ -633,17 +633,19 @@ function removeCommonPath($items){
 
                // added by Cindy Li on Jan 10, 2010
                // Extract course title, description and primary language for a newly-created course
-               if (substr($element_path[count($element_path)-2], -6) == ':title') {
-                       if (substr($element_path[count($element_path)-1], -7) == ':string' ||
-                           substr($element_path[count($element_path)-1], -11) == ':langstring') {
-                               $course_title = trim($my_data);
+               if (count($element_path) >= 2) {
+                       if (substr($element_path[count($element_path)-2], -6) == ':title') {
+                               if (substr($element_path[count($element_path)-1], -7) == ':string' ||
+                                       substr($element_path[count($element_path)-1], -11) == ':langstring') {
+                                       $course_title = trim($my_data);
+                               }
                        }
-               }
                
-               if (substr($element_path[count($element_path)-2], -12) == ':description') {
-                       if (substr($element_path[count($element_path)-1], -7) == ':string' ||
-                           substr($element_path[count($element_path)-1], -11) == ':langstring') {
-                               $course_description = trim($my_data);
+                       if (substr($element_path[count($element_path)-2], -12) == ':description') {
+                               if (substr($element_path[count($element_path)-1], -7) == ':string' ||
+                                       substr($element_path[count($element_path)-1], -11) == ':langstring') {
+                                       $course_description = trim($my_data);
+                               }
                        }
                }