Issue #3446813 by ivnish, doxigo, damienmckenna: Warning: Undefined array key...

Issue #3446813 by ivnish, doxigo, damienmckenna: Warning: Undefined array key "#row" in views_rss_core_preprocess_views_view_rss().

CHANGELOG.txt

@@ -16,6 +16,8 @@ Advanced Views RSS Feed 8.x-2.x-dev, 202x-xx-xx
 #3419023 by DamienMcKenna: Tighten up output, remove unnecessary whitespace.
 #3451387 by Project Update Bot, DamienMcKenna: Automated Drupal 11 compatibility
   fixes.
+#3446813 by ivnish, doxigo, damienmckenna: Warning: Undefined array key "#row"
+  in views_rss_core_preprocess_views_view_rss().
 
 
 Advanced Views RSS Feed 8.x-2.2, 2023-09-24

modules/views_rss_core/views_rss_core.module

@@ -313,11 +313,14 @@ function views_rss_core_preprocess_views_view_rss(&$variables) {
   if (count($view->result) > 0) {
     $max_pub_date = NULL;
     foreach ($variables['rows'] as $row) {
-      foreach ($row['#row']->elements as $element) {
+      if (isset($row['#row']) && is_object($row['#row']) && property_exists($row['#row'], 'elements')) {
+        $elements = $row['#row']->elements;
+        if (is_array($elements) || is_object($elements)) {
+          foreach ($elements as $element) {
             if ($element['key'] === 'pubDate') {
               // This string cannot be parsed if there is a dash present.
-          // Unfortunately the default date output format for Drupal includes a
-          // dash, so remove it.
+              // Unfortunately the default date output format for Drupal
+              // includes a dash, so remove it.
               $this_pub_date = (string) $element['value'];
               $this_pub_date = str_replace(' - ', ' ', $this_pub_date);
               $this_pub_date = strtotime($this_pub_date);
@@ -328,6 +331,18 @@ function views_rss_core_preprocess_views_view_rss(&$variables) {
             }
           }
         }
+        // Ensure that the max value is neither the default NULL value nor a
+        // zero which would result in the date showing as January 1st, 1970.
+        if (!empty($max_pub_date)) {
+          $variables['channel_elements']['pubDate'] = [
+            '#type' => 'html_tag',
+            '#tag' => 'pubDate',
+            // Convert the date value to RFC-822 format.
+            '#value' => views_rss_format_date($max_pub_date),
+          ];
+        }
+      }
+    }
     // Ensure that the max value is neither the default NULL value nor a zero
     // which would result in the date showing as January 1st, 1970.
     if (!empty($max_pub_date)) {