4888: ims_import.php: prevent "Undefined index: href in startElement()

diff --git a/home/ims/ims_import.php b/home/ims/ims_import.php
index b4628b1..d641501 100644 (file)
--- a/home/ims/ims_import.php
+++ b/home/ims/ims_import.php
@@ -498,7 +498,7 @@ function removeCommonPath($items){
                        // special case for webCT content packages that don't specify the `href` attribute 
                        // with the `<resource>` element.
                        // we take the `href` from the first `<file>` element.
-                       if (isset($items[$current_identifier]) && ($items[$current_identifier]['href'] == '')) {
+                       if (isset($items[$current_identifier]) && isset($items[$current_identifier]['href']) && ($items[$current_identifier]['href'] == '')) {
                                $attrs['href'] = urldecode($attrs['href']);
                                $items[$current_identifier]['href'] = $attrs['href'];
                        }
@@ -573,7 +573,7 @@ function removeCommonPath($items){
                } else if (($name == 'resource')) {
                        $current_identifier = $attrs['identifier'];
                        $items[$current_identifier]['type'] = $attrs['type'];
-                       if ($attrs['href']) {
+                       if (isset($attrs['href'])) {
                                $attrs['href'] = urldecode($attrs['href']);
 
                                $items[$attrs['identifier']]['href'] = $attrs['href'];