Issue #2486643 by AlexKirienko: Undefined index: nid in main() in statistics.php

1 files changed, 14 insertions, 12 deletions

diff --git a/modules/statistics/statistics.php b/modules/statistics/statistics.php
index f00e03976..48340c89e 100644
--- a/modules/statistics/statistics.php
+++ b/modules/statistics/statistics.php
@@ -15,17 +15,19 @@ chdir(DRUPAL_ROOT);
 include_once DRUPAL_ROOT . '/includes/bootstrap.inc';
 drupal_bootstrap(DRUPAL_BOOTSTRAP_VARIABLES);
 if (variable_get('statistics_count_content_views', 0) && variable_get('statistics_count_content_views_ajax', 0)) {
-  $nid = $_POST['nid'];
-  if (is_numeric($nid)) {
-    db_merge('node_counter')
-      ->key(array('nid' => $nid))
-      ->fields(array(
-        'daycount' => 1,
-        'totalcount' => 1,
-        'timestamp' => REQUEST_TIME,
-      ))
-      ->expression('daycount', 'daycount + 1')
-      ->expression('totalcount', 'totalcount + 1')
-      ->execute();
+  if (isset($_POST['nid'])) {
+    $nid = $_POST['nid'];
+    if (is_numeric($nid)) {
+      db_merge('node_counter')
+        ->key(array('nid' => $nid))
+        ->fields(array(
+          'daycount' => 1,
+          'totalcount' => 1,
+          'timestamp' => REQUEST_TIME,
+        ))
+        ->expression('daycount', 'daycount + 1')
+        ->expression('totalcount', 'totalcount + 1')
+        ->execute();
+    }
   }
 }