Internal: Minor format code, fix PHP notices.

config/services.yaml

@@ -15,6 +15,7 @@ parameters:
 #    router.request_context.base_url: '%env(APP_URL_APPEND)%'
 #    asset.request_context.base_path: '%env(APP_URL_APPEND)%'
 
+    # See https://glide.thephpleague.com/1.0/api/quick-reference/
     glide_media_filters:
         editor_thumbnail:
             w: 64

src/CoreBundle/Controller/ResourceController.php

@@ -813,7 +813,7 @@ class ResourceController extends AbstractResourceController implements CourseCon
     public function viewAction(Request $request, RouterInterface $router): Response
     {
         $id = $request->get('id');
-        $filter = $request->get('filter');
+        $filter = $request->get('filter'); // See filters definitions in /config/services.yml
         $mode = $request->get('mode');
         $em = $this->getDoctrine();
         /** @var ResourceNode $resourceNode */
@@ -1178,7 +1178,7 @@ class ResourceController extends AbstractResourceController implements CourseCon
                     $server = $glide->getServer();
                     $params = $request->query->all();
 
-                    // The filter overwrites the params from get
+                    // The filter overwrites the params from GET.
                     if (!empty($filter)) {
                         $params = $glide->getFilters()[$filter] ?? [];
                     }

src/CoreBundle/Resources/views/Resource/info_ajax.html.twig

@@ -27,7 +27,7 @@
                 <img
                     src="{{ url('chamilo_core_resource_view_file', {
                         'id': resource.resourceNode.id,
-                        'cid': course.id,
+                        'cid': course ? course.id : 0,
                         'sid': session ? session.id : 0,
                         'type' : type,
                         'tool' : tool

src/CoreBundle/Resources/views/Resource/info_details.html.twig

@@ -41,7 +41,7 @@
     <a class="btn btn-success"
        href="{{ url('chamilo_core_resource_view_file', {
            'id': resource.resourceNode.id,
-           'cid': course.id,
+           'cid': course ? course.id : 0,
            'sid': session ? session.id : 0,
            'type' : type,
            'tool' : tool,
@@ -55,7 +55,7 @@
 {% if is_granted('EDIT', resource.resourceNode) %}
     <a class="btn btn-secondary" href="{{ url('chamilo_core_resource_edit', {
         'id': resource.resourceNode.id,
-        'cid': course.id,
+        'cid': course ? course.id : 0,
         'sid': session ? session.id : 0,
         'type' : type,
         'tool' : tool,
@@ -68,7 +68,7 @@
 {% if is_granted('DELETE', resource.resourceNode) %}
     <a class="btn btn-danger" href="{{ url('chamilo_core_resource_delete', {
         'id': resource.resourceNode.id,
-        'cid': course.id,
+        'cid': course ? course.id : 0,
         'sid': session ? session.id : 0,
         'type' : type,
         'tool' : tool,