SANTA-231 don't add if already present

iodigital-com · Nov 22, 2024 · f5bb890 · f5bb890
1 parent 8171625
commit f5bb890
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/Service/UrlTransformerService.php b/src/Service/UrlTransformerService.php
@@ -121,7 +121,10 @@ public function transformUrl(string $url): string
                     case 'amazon_' == substr($key, 0, 7):
                         // append id as tag parameter
                         if (isset($urlParts['query'])) {
-                            $url .= '&tag='.$partnerId;
+                            // don't touch if there's already a tag present
+                            if (false === strpos($urlParts['query'], '&tag=') && 'tag=' !== substr($urlParts['query'], 0, 4)) {
+                                $url .= '&tag='.$partnerId;
+                            }
                         } else {
                             $url .= '?tag='.$partnerId;
                         }