Prevent notice in tracker code generator (#15057)

* Prevent notice in tracker code generator > /core/Tracker/TrackerCodeGenerator.php(254): Notice - Undefined index: host - Matomo 3.11.0 Eg happens from what I can see when no main url is defined * Update TrackerCodeGenerator.php
matomo-org · Nov 6, 2019 · ffd9845 · ffd9845
1 parent 42722e3
commit ffd9845
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/core/Tracker/TrackerCodeGenerator.php b/core/Tracker/TrackerCodeGenerator.php
@@ -245,17 +245,28 @@ private function getJavascriptTagOptions($idSite, $mergeSubdomains, $mergeAliasU
         $websiteHosts = array();
         $firstHost = null;
         foreach ($websiteUrls as $site_url) {
+            if (empty($site_url)) {
+                continue;
+            }
+
             $referrerParsed = parse_url($site_url);
 
             if (!isset($firstHost) && isset($referrerParsed['host'])) {
                 $firstHost = $referrerParsed['host'];
             }
 
-            $url = $referrerParsed['host'];
+            if (isset($referrerParsed['host'])) {
+                $url = $referrerParsed['host'];
+            } else {
+                $url = '';
+            }
             if (!empty($referrerParsed['path'])) {
                 $url .= $referrerParsed['path'];
             }
-            $websiteHosts[] = $url;
+
+            if (!empty($url)) {
+                $websiteHosts[] = $url;
+            }
         }
         $options = '';
         if ($mergeSubdomains && !empty($firstHost)) {