phpstan

Author: donquixote

src/Controller/ViewerController.php

@@ -187,16 +187,18 @@ protected function getDestinationUrl(Request $request): ?Url {
   protected function getViewerRender(MediaInterface $media, string $wopi_client_url, bool $can_write, ?Url $close_button_url): array {
     $config = $this->configFactory->get('collabora_online.settings');
 
-    if (!$config->get('cool.wopi_base')) {
+    /** @var string|null $wopi_base */
+    $wopi_base = $config->get('cool.wopi_base');
+    if (!$wopi_base) {
       throw new CollaboraNotAvailableException('The Collabora Online connection is not configured.');
     }
 
     // A trailing slash is optional in the configured URL.
-    $wopi_base = rtrim($config->get('cool.wopi_base'), '/');
+    $wopi_base = rtrim($wopi_base, '/');
     $wopi_url = $wopi_base . '/cool/wopi/files/' . $media->id();
     $editor_url = Url::fromUri($wopi_client_url);
     $editor_url->setOption('query', [
-      ...$editor_url->getOption('query') ?? [],
+      ...(array) ($editor_url->getOption('query') ?? []),
       'WOPISrc' => $wopi_url,
       ...$close_button_url !== NULL ? ['closebutton' => 'true'] : [],
     ]);