Minor: Format code

src/CoreBundle/Component/Utils/ChamiloApi.php

@@ -246,7 +246,7 @@ class ChamiloApi
      *
      * @throws Exception
      */
-    public static function getCourseIdByDirectory(string $directory = null): int
+    public static function getCourseIdByDirectory(?string $directory = null): int
     {
         if (!empty($directory)) {
             $directory = Database::escape_string($directory);
@@ -340,7 +340,7 @@ class ChamiloApi
     public static function getColorPalette(
         bool $decimalOpacity = false,
         bool $wrapInRGBA = false,
-        int $fillUpTo = null
+        ?int $fillUpTo = null
     ): array {
         // Get the common colors from the palette used for pchart
         $paletteFile = api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color';
@@ -380,7 +380,7 @@ class ChamiloApi
      *
      * @throws Exception
      */
-    public static function getServerMidnightTime(string $utcTime = null): DateTime
+    public static function getServerMidnightTime(?string $utcTime = null): DateTime
     {
         $localTime = api_get_local_time($utcTime);
         $localTimeZone = api_get_timezone();

src/CoreBundle/Controller/Api/CLinkDetailsController.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 /* For licensing terms, see /license.txt */
@@ -28,7 +29,7 @@ class CLinkDetailsController extends AbstractController
                 $resourceLinkList[] = [
                     'visibility' => $resourceLink->getVisibility(),
                     'cid' => $resourceLink->getCourse()->getId(),
-                    'sid' => $resourceLink->getSession()->getId()
+                    'sid' => $resourceLink->getSession()->getId(),
                 ];
             }
         }

src/CoreBundle/Controller/Api/CheckCLinkAction.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 /* For licensing terms, see /license.txt */
@@ -11,6 +12,15 @@ use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 
+use const CURLINFO_HTTP_CODE;
+use const CURLOPT_FOLLOWLOCATION;
+use const CURLOPT_HEADER;
+use const CURLOPT_PROXY;
+use const CURLOPT_PROXYPORT;
+use const CURLOPT_RETURNTRANSFER;
+use const CURLOPT_TIMEOUT;
+use const CURLOPT_URL;
+
 class CheckCLinkAction extends AbstractController
 {
     public function __invoke(CLink $link, Request $request, SettingsManager $settingsManager): JsonResponse
@@ -57,7 +67,7 @@ class CheckCLinkAction extends AbstractController
         curl_close($ch);
 
         // Check for any errors
-        if ($result === false || curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200) {
+        if (false === $result || 200 != curl_getinfo($ch, CURLINFO_HTTP_CODE)) {
             return false;
         }
 

src/CoreBundle/Controller/Api/CreateCLinkAction.php

@@ -74,7 +74,7 @@ class CreateCLinkAction extends BaseResourceFileAction
         bool $onHomepage
     ): void {
         $firstLink = reset($resourceLinkList);
-        if (isset($firstLink['sid']) && isset($firstLink['cid'])) {
+        if (isset($firstLink['sid'], $firstLink['cid'])) {
             $sid = $firstLink['sid'];
             $cid = $firstLink['cid'];
             $course = $cid ? $em->getRepository(Course::class)->find($cid) : null;

src/CoreBundle/Controller/Api/UpdateCLinkAction.php

@@ -59,7 +59,7 @@ class UpdateCLinkAction extends BaseResourceFileAction
         bool $onHomepage
     ): void {
         $firstLink = reset($resourceLinkList);
-        if (isset($firstLink['sid']) && isset($firstLink['cid'])) {
+        if (isset($firstLink['sid'], $firstLink['cid'])) {
             $sid = $firstLink['sid'];
             $cid = $firstLink['cid'];
             $course = $cid ? $em->getRepository(Course::class)->find($cid) : null;

src/CoreBundle/Controller/Api/UserSkillsController.php

@@ -1,4 +1,5 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 declare(strict_types=1);
@@ -22,7 +23,6 @@ class UserSkillsController
 
         $skillsData = [];
         foreach ($skillRelUsers as $skillRelUser) {
-
             $skillAsset = $skillRelUser->getSkill()->getAsset();
 
             $skillData = [

src/CoreBundle/Controller/ResetPasswordController.php

@@ -79,7 +79,7 @@ class ResetPasswordController extends AbstractController
      * Validates and process the reset URL that the user clicked in their email.
      */
     #[Route('/reset/{token}', name: 'app_reset_password')]
-    public function reset(Request $request, UserPasswordHasherInterface $passwordHasher, string $token = null): Response
+    public function reset(Request $request, UserPasswordHasherInterface $passwordHasher, ?string $token = null): Response
     {
         if ($token) {
             // We store the token in session and remove it from the URL, to avoid the URL being

src/CoreBundle/Controller/ResourceController.php

@@ -183,14 +183,15 @@ class ResourceController extends AbstractResourceController implements CourseCon
             throw new FileNotFoundException('Resource not found');
         }
 
-        if ('course_tool' === $tool &&  'links' === $type) {
+        if ('course_tool' === $tool && 'links' === $type) {
             $cLink = $cLinkRepository->findOneBy(['resourceNode' => $resourceNode]);
             if ($cLink) {
                 $url = $cLink->getUrl();
+
                 return $this->redirect($url);
-            } else {
-                throw new FileNotFoundException('CLink not found for the given resource node');
             }
+
+            throw new FileNotFoundException('CLink not found for the given resource node');
         } else {
             $repo = $this->getRepositoryFromRequest($request);
             if ($repo instanceof ResourceWithLinkInterface) {
@@ -454,7 +455,7 @@ class ResourceController extends AbstractResourceController implements CourseCon
     /**
      * @return mixed|StreamedResponse
      */
-    private function processFile(Request $request, ResourceNode $resourceNode, string $mode = 'show', string $filter = '', array $allUserInfo = null)
+    private function processFile(Request $request, ResourceNode $resourceNode, string $mode = 'show', string $filter = '', ?array $allUserInfo = null)
     {
         $this->denyAccessUnlessGranted(
             ResourceNodeVoter::VIEW,

src/CoreBundle/Controller/SocialController.php

@@ -9,7 +9,6 @@ namespace Chamilo\CoreBundle\Controller;
 use Chamilo\CoreBundle\Entity\User;
 use Chamilo\CoreBundle\Repository\LanguageRepository;
 use Chamilo\CoreBundle\Repository\LegalRepository;
-use Chamilo\CoreBundle\Repository\Node\CourseRepository;
 use Chamilo\CoreBundle\Repository\Node\UsergroupRepository;
 use Chamilo\CoreBundle\Repository\Node\UserRepository;
 use Chamilo\CoreBundle\Serializer\UserToJsonNormalizer;
@@ -36,8 +35,7 @@ class SocialController extends AbstractController
         SettingsManager $settingsManager,
         UserToJsonNormalizer $userToJsonNormalizer
     ): JsonResponse {
-
-        $propertiesToJson =  $userToJsonNormalizer->serializeUserData($userId);
+        $propertiesToJson = $userToJsonNormalizer->serializeUserData($userId);
         $properties = $propertiesToJson ? json_decode($propertiesToJson, true) : [];
 
         $officerData = [
@@ -103,11 +101,11 @@ class SocialController extends AbstractController
             ];
         }
 
-        $formattedDate = new DateTime('@' . $term->getDate());
+        $formattedDate = new DateTime('@'.$term->getDate());
 
         $dataForVue = [
             'terms' => $termsContent,
-            'date_text' => $translator->trans('PublicationDate', [], 'messages', $isoCode) . ': ' . $formattedDate->format('Y-m-d H:i:s'),
+            'date_text' => $translator->trans('PublicationDate', [], 'messages', $isoCode).': '.$formattedDate->format('Y-m-d H:i:s'),
         ];
 
         return $this->json($dataForVue);
@@ -124,7 +122,7 @@ class SocialController extends AbstractController
 
         if (!$allowTermsConditions) {
             return $this->json([
-                'message' => $translator->trans('No terms and conditions available', [], 'messages')
+                'message' => $translator->trans('No terms and conditions available', [], 'messages'),
             ]);
         }
 
@@ -139,7 +137,7 @@ class SocialController extends AbstractController
         if (empty($value['value'])) {
             return $this->json([
                 'isAccepted' => false,
-                'message' => $translator->trans('Send legal agreement', [], 'messages')
+                'message' => $translator->trans('Send legal agreement', [], 'messages'),
             ]);
         }
 
@@ -148,7 +146,7 @@ class SocialController extends AbstractController
         $response = [
             'isAccepted' => true,
             'acceptDate' => $dateTime->format('Y-m-d H:i:s'),
-            'message' => ''
+            'message' => '',
         ];
 
         return $this->json($response);
@@ -167,23 +165,23 @@ class SocialController extends AbstractController
         $explanation = $data['explanation'] ?? '';
         $requestType = $data['requestType'] ?? '';
 
-        /* @var User $user */
+        /** @var User $user */
         $user = $userRepo->find($userId);
 
         if (!$user) {
             return $this->json(['success' => false, 'message' => 'User not found']);
         }
 
-        if ($requestType === 'delete_account') {
+        if ('delete_account' === $requestType) {
             $fieldToUpdate = 'request_for_delete_account';
             $justificationFieldToUpdate = 'request_for_delete_account_justification';
             $emailSubject = 'Request for account removal';
-            $emailContent = sprintf($translator->trans("User %s asked for the deletion of his/her account, explaining that : ") . $explanation, $user->getFullName());
-        } elseif ($requestType === 'delete_legal') {
+            $emailContent = sprintf($translator->trans('User %s asked for the deletion of his/her account, explaining that : ').$explanation, $user->getFullName());
+        } elseif ('delete_legal' === $requestType) {
             $fieldToUpdate = 'request_for_legal_agreement_consent_removal';
             $justificationFieldToUpdate = 'request_for_legal_agreement_consent_removal_justification';
             $emailSubject = 'Request for consent withdrawal on legal terms';
-            $emailContent = sprintf($translator->trans("User %s asked for the removal of his/her consent to our legal terms, explaining that: ") . $explanation, $user->getFullName());
+            $emailContent = sprintf($translator->trans('User %s asked for the removal of his/her consent to our legal terms, explaining that: ').$explanation, $user->getFullName());
         } else {
             return $this->json(['success' => false, 'message' => 'Invalid action type']);
         }
@@ -199,13 +197,14 @@ class SocialController extends AbstractController
             ->from($user->getEmail())
             ->to($emailPlatform)
             ->subject($emailSubject)
-            ->html($emailContent);
+            ->html($emailContent)
+        ;
 
         $mailer->send($email);
 
         return $this->json([
             'success' => true,
-            'message' => $translator->trans('Your request has been received.')
+            'message' => $translator->trans('Your request has been received.'),
         ]);
     }
 
@@ -217,7 +216,6 @@ class SocialController extends AbstractController
         SettingsManager $settingsManager,
         RequestStack $requestStack
     ): JsonResponse {
-
         $baseUrl = $requestStack->getCurrentRequest()->getBaseUrl();
         $cid = (int) $settingsManager->getSetting('forum.global_forums_course_id');
         $groupsArray = [];
@@ -259,13 +257,12 @@ class SocialController extends AbstractController
         SettingsManager $settingsManager,
         RequestStack $requestStack
     ): JsonResponse {
-
         $baseUrl = $requestStack->getCurrentRequest()->getBaseUrl();
         $cid = (int) $settingsManager->getSetting('forum.global_forums_course_id');
 
         $goToLink = '';
         if (!empty($cid)) {
-            $goToLink = $baseUrl . '/main/forum/index.php?cid=' . $cid . '&sid=0&gid=0';
+            $goToLink = $baseUrl.'/main/forum/index.php?cid='.$cid.'&sid=0&gid=0';
         }
 
         return $this->json(['go_to' => $goToLink]);

src/CoreBundle/DataFixtures/AccessGroupFixtures.php

@@ -16,7 +16,7 @@ class AccessGroupFixtures extends Fixture implements ContainerAwareInterface
 {
     private ContainerInterface $container;
 
-    public function setContainer(ContainerInterface $container = null): void
+    public function setContainer(?ContainerInterface $container = null): void
     {
         $this->container = $container;
     }

src/CoreBundle/DataFixtures/AccessUserFixtures.php

@@ -22,7 +22,7 @@ class AccessUserFixtures extends Fixture implements ContainerAwareInterface
 
     private ContainerInterface $container;
 
-    public function setContainer(ContainerInterface $container = null): void
+    public function setContainer(?ContainerInterface $container = null): void
     {
         $this->container = $container;
     }

src/CoreBundle/DataFixtures/AccessUserUrlFixtures.php

@@ -19,7 +19,7 @@ class AccessUserUrlFixtures extends Fixture implements ContainerAwareInterface
 {
     private ContainerInterface $container;
 
-    public function setContainer(ContainerInterface $container = null): void
+    public function setContainer(?ContainerInterface $container = null): void
     {
         $this->container = $container;
     }

src/CoreBundle/DataFixtures/PageFixtures.php

@@ -17,7 +17,7 @@ class PageFixtures extends Fixture implements ContainerAwareInterface
 {
     private ContainerInterface $container;
 
-    public function setContainer(ContainerInterface $container = null): void
+    public function setContainer(?ContainerInterface $container = null): void
     {
         $this->container = $container;
     }

src/CoreBundle/DataFixtures/TicketFixtures.php

@@ -20,7 +20,7 @@ class TicketFixtures extends Fixture implements ContainerAwareInterface
 {
     private ContainerInterface $container;
 
-    public function setContainer(ContainerInterface $container = null): void
+    public function setContainer(?ContainerInterface $container = null): void
     {
         $this->container = $container;
     }

src/CoreBundle/DataProvider/Extension/CCalendarEventExtension.php

@@ -30,7 +30,7 @@ final class CCalendarEventExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         /*if ($this->security->isGranted('ROLE_ADMIN')) {
@@ -55,7 +55,7 @@ final class CCalendarEventExtension implements QueryCollectionExtensionInterface
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
         array $identifiers,
-        string $operationName = null,
+        ?string $operationName = null,
         array $context = []
     ): void {
         // $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/CDocumentExtension.php

@@ -32,7 +32,7 @@ final class CDocumentExtension implements QueryCollectionExtensionInterface // ,
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/CStudentPublicationExtension.php

@@ -28,7 +28,7 @@ class CStudentPublicationExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if (CStudentPublication::class !== $resourceClass) {

src/CoreBundle/DataProvider/Extension/CToolExtension.php

@@ -24,7 +24,7 @@ class CToolExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if (CTool::class !== $resourceClass) {

src/CoreBundle/DataProvider/Extension/CToolIntroExtension.php

@@ -30,7 +30,7 @@ final class CToolIntroExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if (CToolIntro::class !== $resourceClass) {

src/CoreBundle/DataProvider/Extension/CourseExtension.php

@@ -29,7 +29,7 @@ final class CourseExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/CourseRelUserExtension.php

@@ -27,7 +27,7 @@ final class CourseRelUserExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if ($this->security->isGranted('ROLE_ADMIN')) {

src/CoreBundle/DataProvider/Extension/MessageExtension.php

@@ -28,7 +28,7 @@ final class MessageExtension implements QueryCollectionExtensionInterface // , Q
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         /*if ($this->security->isGranted('ROLE_ADMIN')) {
@@ -53,7 +53,7 @@ final class MessageExtension implements QueryCollectionExtensionInterface // , Q
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
         array $identifiers,
-        string $operationName = null,
+        ?string $operationName = null,
         array $context = []
     ): void {
         // error_log('applyToItem1');

src/CoreBundle/DataProvider/Extension/MessageRelUserExtension.php

@@ -24,7 +24,7 @@ class MessageRelUserExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if (MessageRelUser::class !== $resourceClass) {

src/CoreBundle/DataProvider/Extension/MessageTagExtension.php

@@ -25,7 +25,7 @@ final class MessageTagExtension implements QueryCollectionExtensionInterface //
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/PageExtension.php

@@ -28,7 +28,7 @@ final class PageExtension implements QueryCollectionExtensionInterface // , Quer
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         $this->addWhere($queryBuilder, $resourceClass);
@@ -39,7 +39,7 @@ final class PageExtension implements QueryCollectionExtensionInterface // , Quer
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
         array $identifiers,
-        string $operationName = null,
+        ?string $operationName = null,
         array $context = []
     ): void {
         // $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/PersonalFileExtension.php

@@ -32,7 +32,7 @@ final class PersonalFileExtension implements QueryCollectionExtensionInterface /
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/SessionRelUserExtension.php

@@ -31,7 +31,7 @@ final class SessionRelUserExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         $this->addWhere($queryBuilder, $resourceClass);

src/CoreBundle/DataProvider/Extension/SocialPostExtension.php

@@ -23,7 +23,7 @@ class SocialPostExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if ('true' !== $this->settingsManager->getSetting('social.allow_social_tool')) {

src/CoreBundle/DataProvider/Extension/TrackEExerciseExtension.php

@@ -25,7 +25,7 @@ final class TrackEExerciseExtension implements QueryCollectionExtensionInterface
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if (TrackEExercise::class !== $resourceClass) {

src/CoreBundle/DataProvider/UserItemDataProvider.php

@@ -19,7 +19,7 @@ class UserItemDataProvider implements ItemDataProviderInterface, RestrictedDataP
         private readonly NameConvention $nameConvention
     ) {}
 
-    public function getItem(string $resourceClass, $id, string $operationName = null, array $context = [])
+    public function getItem(string $resourceClass, $id, ?string $operationName = null, array $context = [])
     {
         $user = $this->repository->find($id);
 
@@ -28,7 +28,7 @@ class UserItemDataProvider implements ItemDataProviderInterface, RestrictedDataP
         return $user;
     }
 
-    public function supports(string $resourceClass, string $operationName = null, array $context = []): bool
+    public function supports(string $resourceClass, ?string $operationName = null, array $context = []): bool
     {
         return User::class === $resourceClass;
     }

src/CoreBundle/DependencyInjection/ChamiloCoreExtension.php

@@ -33,9 +33,6 @@ class ChamiloCoreExtension extends Extension
         $loader->load('services.xml');
     }
 
-    /**
-     * @return string
-     */
     public function getAlias(): string
     {
         return 'chamilo_core';

src/CoreBundle/Entity/AbstractResource.php

@@ -161,8 +161,8 @@ abstract class AbstractResource
      */
     public function addCourseLink(
         Course $course,
-        Session $session = null,
-        CGroup $group = null,
+        ?Session $session = null,
+        ?CGroup $group = null,
         int $visibility = ResourceLink::VISIBILITY_PUBLISHED
     ): self {
         if (null === $this->getParent()) {
@@ -257,9 +257,9 @@ abstract class AbstractResource
 
     public function addResourceToUserList(
         array $userList,
-        Course $course = null,
-        Session $session = null,
-        CGroup $group = null
+        ?Course $course = null,
+        ?Session $session = null,
+        ?CGroup $group = null
     ): static {
         if (!empty($userList)) {
             foreach ($userList as $user) {
@@ -272,9 +272,9 @@ abstract class AbstractResource
 
     public function addUserLink(
         User $user,
-        Course $course = null,
-        Session $session = null,
-        CGroup $group = null
+        ?Course $course = null,
+        ?Session $session = null,
+        ?CGroup $group = null
     ): static {
         $resourceLink = (new ResourceLink())
             ->setVisibility(ResourceLink::VISIBILITY_PUBLISHED)
@@ -310,8 +310,8 @@ abstract class AbstractResource
 
     public function addResourceToGroupList(
         array $groupList,
-        Course $course = null,
-        Session $session = null,
+        ?Course $course = null,
+        ?Session $session = null,
     ): static {
         foreach ($groupList as $group) {
             $this->addGroupLink($course, $group, $session);
@@ -320,7 +320,7 @@ abstract class AbstractResource
         return $this;
     }
 
-    public function addGroupLink(Course $course, CGroup $group, Session $session = null): static
+    public function addGroupLink(Course $course, CGroup $group, ?Session $session = null): static
     {
         $resourceLink = (new ResourceLink())
             ->setCourse($course)
@@ -440,7 +440,7 @@ abstract class AbstractResource
         return null;
     }
 
-    public function isVisible(Course $course, Session $session = null): bool
+    public function isVisible(Course $course, ?Session $session = null): bool
     {
         $link = $this->getFirstResourceLinkFromCourseSession($course, $session);
 
@@ -455,7 +455,7 @@ abstract class AbstractResource
         return ResourceLink::VISIBILITY_PUBLISHED === $link->getVisibility();
     }
 
-    public function getFirstResourceLinkFromCourseSession(Course $course, Session $session = null): ?ResourceLink
+    public function getFirstResourceLinkFromCourseSession(Course $course, ?Session $session = null): ?ResourceLink
     {
         $resourceNode = $this->getResourceNode();
         if ($resourceNode && $resourceNode->getResourceLinks()->count() > 0) {

src/CoreBundle/Entity/Asset.php

@@ -265,7 +265,7 @@ class Asset implements Stringable
         return $this->file;
     }
 
-    public function setFile(File|UploadedFile $file = null): self
+    public function setFile(File|UploadedFile|null $file = null): self
     {
         $this->file = $file;
 

src/CoreBundle/Entity/BranchSync.php

@@ -522,7 +522,7 @@ class BranchSync
         return $this->root;
     }
 
-    public function setParent(self $parent = null): self
+    public function setParent(?self $parent = null): self
     {
         $this->parent = $parent;
 

src/CoreBundle/Entity/PersonalFile.php

@@ -56,7 +56,7 @@ use Symfony\Component\Validator\Constraints as Assert;
                                             'properties' => [
                                                 'visibility' => ['type' => 'integer'],
                                                 'c_id' => ['type' => 'integer'],
-                                                'session_id' => ['type' => 'integer']
+                                                'session_id' => ['type' => 'integer'],
                                             ],
                                         ],
                                     ],

src/CoreBundle/Entity/Portfolio.php

@@ -88,7 +88,7 @@ class Portfolio
      *
      * @return Portfolio
      */
-    public function setCourse(Course $course = null)
+    public function setCourse(?Course $course = null)
     {
         $this->course = $course;
 
@@ -120,7 +120,7 @@ class Portfolio
      *
      * @return Portfolio
      */
-    public function setSession(Session $session = null)
+    public function setSession(?Session $session = null)
     {
         $this->session = $session;
 
@@ -257,7 +257,7 @@ class Portfolio
      *
      * @return Portfolio
      */
-    public function setCategory(PortfolioCategory $category = null)
+    public function setCategory(?PortfolioCategory $category = null)
     {
         $this->category = $category;
 

src/CoreBundle/Entity/PortfolioCategory.php

@@ -121,7 +121,7 @@ class PortfolioCategory implements Stringable
      *
      * @return ArrayCollection
      */
-    public function getItems(Course $course = null, Session $session = null, bool $onlyVisibles = false)
+    public function getItems(?Course $course = null, ?Session $session = null, bool $onlyVisibles = false)
     {
         $criteria = Criteria::create();
 

src/CoreBundle/Entity/ResourceFile.php

@@ -328,7 +328,7 @@ class ResourceFile implements Stringable
         return $this->file;
     }
 
-    public function setFile(File|UploadedFile $file = null): self
+    public function setFile(File|UploadedFile|null $file = null): self
     {
         $this->file = $file;
         if (null !== $file) {

src/CoreBundle/Entity/ResourceLink.php

@@ -159,7 +159,7 @@ class ResourceLink implements Stringable
         return $this->course;
     }
 
-    public function setCourse(Course $course = null): self
+    public function setCourse(?Course $course = null): self
     {
         $this->course = $course;
 
@@ -171,7 +171,7 @@ class ResourceLink implements Stringable
         return $this->session;
     }
 
-    public function setSession(Session $session = null): self
+    public function setSession(?Session $session = null): self
     {
         $this->session = $session;
 
@@ -198,7 +198,7 @@ class ResourceLink implements Stringable
         return $this->group;
     }
 
-    public function setGroup(CGroup $group = null): self
+    public function setGroup(?CGroup $group = null): self
     {
         $this->group = $group;
 
@@ -210,7 +210,7 @@ class ResourceLink implements Stringable
         return $this->userGroup;
     }
 
-    public function setUserGroup(Usergroup $group = null): self
+    public function setUserGroup(?Usergroup $group = null): self
     {
         $this->userGroup = $group;
 
@@ -222,7 +222,7 @@ class ResourceLink implements Stringable
         return $this->user;
     }
 
-    public function setUser(User $user = null): self
+    public function setUser(?User $user = null): self
     {
         $this->user = $user;
 

src/CoreBundle/Entity/ResourceNode.php

@@ -274,7 +274,7 @@ class ResourceNode implements Stringable
     /**
      * Sets the parent resource.
      */
-    public function setParent(self $parent = null): self
+    public function setParent(?self $parent = null): self
     {
         $this->parent = $parent;
 
@@ -315,7 +315,7 @@ class ResourceNode implements Stringable
         return $this;
     }
 
-    public function getPathForDisplayToArray(int $baseRoot = null): array
+    public function getPathForDisplayToArray(?int $baseRoot = null): array
     {
         $parts = explode(self::PATH_SEPARATOR, $this->path);
         $list = [];
@@ -452,7 +452,7 @@ class ResourceNode implements Stringable
         return $this->resourceFile;
     }
 
-    public function setResourceFile(ResourceFile $resourceFile = null): self
+    public function setResourceFile(?ResourceFile $resourceFile = null): self
     {
         $this->resourceFile = $resourceFile;
 

src/CoreBundle/Entity/Session.php

@@ -578,7 +578,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
         return false;
     }
 
-    public function getSessionRelCourseByUser(User $user, int $status = null): Collection
+    public function getSessionRelCourseByUser(User $user, ?int $status = null): Collection
     {
         $criteria = Criteria::create()->where(Criteria::expr()->eq('user', $user));
         if (null !== $status) {
@@ -1104,7 +1104,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
         return false;
     }
 
-    public function hasCourseCoachInCourse(User $user, Course $course = null): bool
+    public function hasCourseCoachInCourse(User $user, ?Course $course = null): bool
     {
         if (null === $course) {
             return false;
@@ -1117,14 +1117,14 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
      * @param int $status if not set it will check if the user is registered
      *                    with any status
      */
-    public function hasUserInCourse(User $user, Course $course, int $status = null): bool
+    public function hasUserInCourse(User $user, Course $course, ?int $status = null): bool
     {
         $relation = $this->getUserInCourse($user, $course, $status);
 
         return $relation->count() > 0;
     }
 
-    public function getUserInCourse(User $user, Course $course, int $status = null): Collection
+    public function getUserInCourse(User $user, Course $course, ?int $status = null): Collection
     {
         $criteria = Criteria::create()
             ->where(
@@ -1161,7 +1161,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
         return $this->hasUserInCourse($user, $course, self::STUDENT);
     }
 
-    protected function compareDates(?DateTime $start, DateTime $end = null): bool
+    protected function compareDates(?DateTime $start, ?DateTime $end = null): bool
     {
         $now = new DateTime('now');
 

src/CoreBundle/Entity/SettingsCurrent.php

@@ -123,7 +123,7 @@ class SettingsCurrent
         return $this->selectedValue;
     }
 
-    public function setSelectedValue(null|float|int|string $selectedValue): self
+    public function setSelectedValue(float|int|string|null $selectedValue): self
     {
         $this->selectedValue = $selectedValue;
 

src/CoreBundle/Entity/SkillRelUser.php

@@ -11,10 +11,8 @@ use ApiPlatform\Metadata\ApiFilter;
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Delete;
 use ApiPlatform\Metadata\Get;
-use ApiPlatform\Metadata\GetCollection;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\Metadata\Put;
-use Chamilo\CoreBundle\Controller\Api\UserSkillsController;
 use Chamilo\CoreBundle\Entity\Listener\SkillRelUserListener;
 use Chamilo\CoreBundle\Traits\UserTrait;
 use DateTime;
@@ -25,7 +23,6 @@ use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Serializer\Annotation\Groups;
 use Symfony\Component\Validator\Constraints as Assert;
 
-
 #[ApiResource(
     operations: [
         new Get(security: "is_granted('VIEW', object)"),

src/CoreBundle/Entity/User.php

@@ -58,7 +58,7 @@ use UserManager;
             controller: UserSkillsController::class,
             normalizationContext: ['groups' => ['user_skills:read']],
             name: 'get_user_skills'
-        )
+        ),
     ],
     normalizationContext: ['groups' => ['user:read']],
     denormalizationContext: ['groups' => ['user:write']],
@@ -1250,7 +1250,7 @@ class User implements UserInterface, EquatableInterface, ResourceInterface, Reso
         return $this->lastLogin;
     }
 
-    public function setLastLogin(DateTime $lastLogin = null): self
+    public function setLastLogin(?DateTime $lastLogin = null): self
     {
         $this->lastLogin = $lastLogin;
 
@@ -1280,7 +1280,7 @@ class User implements UserInterface, EquatableInterface, ResourceInterface, Reso
         return $this->passwordRequestedAt;
     }
 
-    public function setPasswordRequestedAt(DateTime $date = null): self
+    public function setPasswordRequestedAt(?DateTime $date = null): self
     {
         $this->passwordRequestedAt = $date;
 
@@ -1328,7 +1328,7 @@ class User implements UserInterface, EquatableInterface, ResourceInterface, Reso
     /**
      * Sets the credentials expiration date.
      */
-    public function setCredentialsExpireAt(DateTime $date = null): self
+    public function setCredentialsExpireAt(?DateTime $date = null): self
     {
         $this->credentialsExpireAt = $date;
 
@@ -1860,7 +1860,7 @@ class User implements UserInterface, EquatableInterface, ResourceInterface, Reso
         return $this->dateOfBirth;
     }
 
-    public function setDateOfBirth(DateTime $dateOfBirth = null): self
+    public function setDateOfBirth(?DateTime $dateOfBirth = null): self
     {
         $this->dateOfBirth = $dateOfBirth;
 
@@ -2347,7 +2347,7 @@ class User implements UserInterface, EquatableInterface, ResourceInterface, Reso
      * Used to be implemented in global function \api_max_sort_value.
      * Reimplemented using the ORM cache.
      */
-    public function getMaxSortValue(UserCourseCategory $userCourseCategory = null): int
+    public function getMaxSortValue(?UserCourseCategory $userCourseCategory = null): int
     {
         $categoryCourses = $this->courses->matching(
             Criteria::create()->where(Criteria::expr()->neq('relationType', COURSE_RELATION_TYPE_RRHH))->andWhere(

src/CoreBundle/Filter/CidFilter.php

@@ -25,9 +25,9 @@ class CidFilter extends AbstractFilter
         protected RequestStack $requestStack,
         protected EntityManagerInterface $entityManager,
         ManagerRegistry $managerRegistry,
-        LoggerInterface $logger = null,
-        array $properties = null,
-        NameConverterInterface $nameConverter = null,
+        ?LoggerInterface $logger = null,
+        ?array $properties = null,
+        ?NameConverterInterface $nameConverter = null,
     ) {
         parent::__construct($managerRegistry, $logger, $properties, $nameConverter);
     }
@@ -50,7 +50,7 @@ class CidFilter extends AbstractFilter
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if ('cid' !== $property) {

src/CoreBundle/Filter/SidFilter.php

@@ -28,9 +28,9 @@ class SidFilter extends AbstractFilter
         protected RequestStack $requestStack,
         protected EntityManagerInterface $entityManager,
         ManagerRegistry $managerRegistry,
-        LoggerInterface $logger = null,
-        array $properties = null,
-        NameConverterInterface $nameConverter = null
+        ?LoggerInterface $logger = null,
+        ?array $properties = null,
+        ?NameConverterInterface $nameConverter = null
     ) {
         parent::__construct($managerRegistry, $logger, $properties, $nameConverter);
     }
@@ -58,7 +58,7 @@ class SidFilter extends AbstractFilter
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if ('sid' !== $property) {

src/CoreBundle/Filter/SocialWallFilter.php

@@ -39,7 +39,7 @@ class SocialWallFilter extends AbstractFilter
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if ('socialwall_wallOwner' !== $property) {

src/CoreBundle/Filter/UserExtraFieldFilter.php

@@ -43,7 +43,7 @@ class UserExtraFieldFilter extends AbstractFilter
         QueryBuilder $queryBuilder,
         QueryNameGeneratorInterface $queryNameGenerator,
         string $resourceClass,
-        Operation $operation = null,
+        ?Operation $operation = null,
         array $context = []
     ): void {
         if (!$this->isPropertyEnabled($property, $resourceClass)) {

src/CoreBundle/Form/DataTransformer/ResourceToIdentifierTransformer.php

@@ -19,7 +19,7 @@ final class ResourceToIdentifierTransformer implements DataTransformerInterface
 
     private string $identifier;
 
-    public function __construct(ObjectRepository $repository, string $identifier = null)
+    public function __construct(ObjectRepository $repository, ?string $identifier = null)
     {
         $this->repository = $repository;
         $this->identifier = $identifier ?? 'id';

src/CoreBundle/Framework/Container.php

@@ -116,7 +116,7 @@ class Container
         self::$container = $container;
     }
 
-    public static function getParameter(string $parameter): null|array|bool|float|int|string|UnitEnum
+    public static function getParameter(string $parameter): array|bool|float|int|string|UnitEnum|null
     {
         if (self::$container->hasParameter($parameter)) {
             return self::$container->getParameter($parameter);
@@ -199,7 +199,7 @@ class Container
         self::$request = $request;
     }
 
-    public static function getSession(): null|bool|HttpSessionInterface|Session
+    public static function getSession(): bool|HttpSessionInterface|Session|null
     {
         if (null !== self::$session) {
             return self::$session;

src/CoreBundle/Migrations/AbstractMigrationChamilo.php

@@ -36,7 +36,7 @@ abstract class AbstractMigrationChamilo extends AbstractMigration implements Con
         $this->manager = $manager;
     }
 
-    public function setContainer(ContainerInterface $container = null): void
+    public function setContainer(?ContainerInterface $container = null): void
     {
         $this->container = $container;
     }

src/CoreBundle/Migrations/Schema/V200/Version20230904173400.php

@@ -132,7 +132,7 @@ class Version20230904173400 extends AbstractMigrationChamilo
         bool $allDay,
         string $color,
         User $creator,
-        CCalendarEvent $parentEvent = null
+        ?CCalendarEvent $parentEvent = null
     ): CCalendarEvent {
         $calendarEvent = new CCalendarEvent();
 

src/CoreBundle/Migrations/Schema/V200/Version20230913162700.php

@@ -404,7 +404,7 @@ final class Version20230913162700 extends AbstractMigrationChamilo
         }
     }
 
-    private function replaceOldURLsWithNew($itemDataText, $courseDirectory, $courseId, $connection, $documentRepo): null|array|string
+    private function replaceOldURLsWithNew($itemDataText, $courseDirectory, $courseId, $connection, $documentRepo): array|string|null
     {
         $contentText = $itemDataText;
 

src/CoreBundle/Migrations/Schema/V200/Version20240202122300.php

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 /* For licensing terms, see /license.txt */
@@ -10,6 +11,7 @@ use Chamilo\CourseBundle\Entity\CLink;
 use Chamilo\CourseBundle\Repository\CLinkRepository;
 use Chamilo\CourseBundle\Repository\CShortcutRepository;
 use Doctrine\DBAL\Schema\Schema;
+use Exception;
 
 class Version20240202122300 extends AbstractMigrationChamilo
 {
@@ -38,11 +40,12 @@ class Version20240202122300 extends AbstractMigrationChamilo
         while ($row = $result->fetchAssociative()) {
             $linkId = $row['iid'];
 
-            /* @var CLink $link */
+            /** @var CLink $link */
             $link = $linkRepo->find($linkId);
 
             if (!$link) {
                 error_log("Link with ID $linkId not found");
+
                 continue;
             }
 
@@ -54,8 +57,8 @@ class Version20240202122300 extends AbstractMigrationChamilo
                 try {
                     $shortcutRepo->addShortCut($link, $admin, $course, $session);
                     error_log("Shortcut created for link ID $linkId");
-                } catch (\Exception $e) {
-                    error_log("Failed to create shortcut for link ID $linkId: " . $e->getMessage());
+                } catch (Exception $e) {
+                    error_log("Failed to create shortcut for link ID $linkId: ".$e->getMessage());
                 }
             } else {
                 error_log("Shortcut already exists for link ID $linkId");
@@ -65,8 +68,5 @@ class Version20240202122300 extends AbstractMigrationChamilo
         $em->flush();
     }
 
-    public function down(Schema $schema): void
-    {
-
-    }
+    public function down(Schema $schema): void {}
 }

src/CoreBundle/Repository/AssetRepository.php

@@ -161,7 +161,7 @@ class AssetRepository extends ServiceEntityRepository
         $this->getEntityManager()->flush();
     }
 
-    public function delete(Asset $asset = null): void
+    public function delete(?Asset $asset = null): void
     {
         if (null !== $asset) {
             $this->getEntityManager()->remove($asset);

src/CoreBundle/Repository/GroupRepository.php

@@ -91,7 +91,7 @@ class GroupRepository extends ServiceEntityRepository
         ];
     }
 
-    public function createDefaultGroups(AccessGroupFixtures $accessGroupFixtures = null): void
+    public function createDefaultGroups(?AccessGroupFixtures $accessGroupFixtures = null): void
     {
         $em = $this->getEntityManager();
         $groups = $this->getDefaultGroups();

src/CoreBundle/Repository/LanguageRepository.php

@@ -73,7 +73,8 @@ class LanguageRepository extends ServiceEntityRepository
         $qb = $this->createQueryBuilder('l');
         $qb->where('l.isocode = :isoCode')
             ->setParameter('isoCode', $isoCode)
-            ->setMaxResults(1);
+            ->setMaxResults(1)
+        ;
 
         return $qb->getQuery()->getSingleResult();
     }

src/CoreBundle/Repository/LegalRepository.php

@@ -134,7 +134,8 @@ class LegalRepository extends ServiceEntityRepository
             $qb->where('l.languageId = :languageId')
                 ->setParameter('languageId', $languageId)
                 ->orderBy('l.version', 'DESC')
-                ->setMaxResults(1);
+                ->setMaxResults(1)
+            ;
 
             $result = $qb->getQuery()->getSingleResult();
 
@@ -143,7 +144,7 @@ class LegalRepository extends ServiceEntityRepository
             }
 
             return $result;
-        } catch (NoResultException | NonUniqueResultException $e) {
+        } catch (NoResultException|NonUniqueResultException $e) {
             return null;
         }
     }
@@ -151,9 +152,9 @@ class LegalRepository extends ServiceEntityRepository
     /**
      * Replace tags in content.
      *
-     * @param string $content The content with tags.
+     * @param string $content the content with tags
      *
-     * @return string The content with tags replaced.
+     * @return string the content with tags replaced
      */
     private function replaceTags(string $content): string
     {

src/CoreBundle/Repository/MessageRepository.php

@@ -47,7 +47,7 @@ class MessageRepository extends ServiceEntityRepository
         return $qb->getQuery()->getResult();
     }
 
-    protected function addReceiverQueryBuilder(User $user, QueryBuilder $qb = null): QueryBuilder
+    protected function addReceiverQueryBuilder(User $user, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'm');
         $qb
@@ -59,7 +59,7 @@ class MessageRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    protected function addMessageTypeQueryBuilder(int $type, QueryBuilder $qb = null): QueryBuilder
+    protected function addMessageTypeQueryBuilder(int $type, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'm');
         $qb

src/CoreBundle/Repository/Node/IllustrationRepository.php

@@ -49,7 +49,7 @@ final class IllustrationRepository extends ResourceRepository
     public function addIllustration(
         ResourceInterface $resource,
         User $creator,
-        UploadedFile $uploadFile = null,
+        ?UploadedFile $uploadFile = null,
         string $crop = ''
     ): ?ResourceFile {
         if (null === $uploadFile) {

src/CoreBundle/Repository/Node/UserRepository.php

@@ -169,7 +169,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $resourceNode;
     }
 
-    public function addRoleListQueryBuilder(array $roles, QueryBuilder $qb = null): QueryBuilder
+    public function addRoleListQueryBuilder(array $roles, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         if (!empty($roles)) {
@@ -478,7 +478,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
      *
      * @return User[]
      */
-    public function findUsersToSendMessage(int $currentUserId, string $searchFilter = null, int $limit = 10)
+    public function findUsersToSendMessage(int $currentUserId, ?string $searchFilter = null, int $limit = 10)
     {
         $allowSendMessageToAllUsers = api_get_setting('allow_send_message_to_all_platform_users');
         $accessUrlId = api_get_multiple_access_url() ? api_get_current_access_url_id() : 1;
@@ -589,7 +589,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         ;
     }
 
-    public function addAccessUrlQueryBuilder(int $accessUrlId, QueryBuilder $qb = null): QueryBuilder
+    public function addAccessUrlQueryBuilder(int $accessUrlId, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb
@@ -601,7 +601,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    public function addActiveAndNotAnonUserQueryBuilder(QueryBuilder $qb = null): QueryBuilder
+    public function addActiveAndNotAnonUserQueryBuilder(?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb
@@ -613,7 +613,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    public function addExpirationDateQueryBuilder(QueryBuilder $qb = null): QueryBuilder
+    public function addExpirationDateQueryBuilder(?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb
@@ -624,7 +624,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    private function addRoleQueryBuilder(string $role, QueryBuilder $qb = null): QueryBuilder
+    private function addRoleQueryBuilder(string $role, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb
@@ -635,7 +635,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    private function addSearchByKeywordQueryBuilder(string $keyword, QueryBuilder $qb = null): QueryBuilder
+    private function addSearchByKeywordQueryBuilder(string $keyword, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb
@@ -652,7 +652,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    private function addUserRelUserQueryBuilder(int $userId, int $relationType, QueryBuilder $qb = null): QueryBuilder
+    private function addUserRelUserQueryBuilder(int $userId, int $relationType, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb->leftJoin('u.friends', 'relations');
@@ -666,7 +666,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    private function addOnlyMyFriendsQueryBuilder(int $userId, QueryBuilder $qb = null): QueryBuilder
+    private function addOnlyMyFriendsQueryBuilder(int $userId, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb
@@ -684,7 +684,7 @@ class UserRepository extends ResourceRepository implements PasswordUpgraderInter
         return $qb;
     }
 
-    private function addNotCurrentUserQueryBuilder(int $userId, QueryBuilder $qb = null): QueryBuilder
+    private function addNotCurrentUserQueryBuilder(int $userId, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb, 'u');
         $qb

src/CoreBundle/Repository/Node/UsergroupRepository.php

@@ -18,10 +18,7 @@ class UsergroupRepository extends ResourceRepository
     }
 
     /**
-     * @param int $userId
      * @param int|array $relationType
-     * @param bool $withImage
-     * @return array
      */
     public function getGroupsByUser(int $userId, int $relationType = Usergroup::GROUP_USER_PERMISSION_READER, bool $withImage = false): array
     {
@@ -30,15 +27,18 @@ class UsergroupRepository extends ResourceRepository
             ->where('gu.user = :userId')
             ->setParameter('userId', $userId)
             ->andWhere('g.groupType = :socialClass')
-            ->setParameter('socialClass', Usergroup::SOCIAL_CLASS);
+            ->setParameter('socialClass', Usergroup::SOCIAL_CLASS)
+        ;
 
-        if ($relationType !== 0) {
-            if (is_array($relationType)) {
+        if (0 !== $relationType) {
+            if (\is_array($relationType)) {
                 $qb->andWhere('gu.relationType IN (:relationType)')
-                    ->setParameter('relationType', $relationType);
+                    ->setParameter('relationType', $relationType)
+                ;
             } else {
                 $qb->andWhere('gu.relationType = :relationType')
-                    ->setParameter('relationType', $relationType);
+                    ->setParameter('relationType', $relationType)
+                ;
             }
         }
 
@@ -46,16 +46,15 @@ class UsergroupRepository extends ResourceRepository
             $urlId = $this->getCurrentAccessUrlId();
             $qb->innerJoin('g.urls', 'u')
                 ->andWhere('u.accessUrl = :urlId')
-                ->setParameter('urlId', $urlId);
+                ->setParameter('urlId', $urlId)
+            ;
         }
 
-
         $qb->orderBy('g.createdAt', 'DESC');
 
         $query = $qb->getQuery();
-        $groups = $query->getResult();
 
-        return $groups;
+        return $query->getResult();
     }
 
     public function searchGroupsByQuery(string $query): array
@@ -64,24 +63,25 @@ class UsergroupRepository extends ResourceRepository
 
         if (!empty($query)) {
             $qb->where('g.title LIKE :query OR g.description LIKE :query')
-                ->setParameter('query', '%' . $query . '%');
+                ->setParameter('query', '%'.$query.'%')
+            ;
         }
 
         if ($this->getUseMultipleUrl()) {
             $urlId = $this->getCurrentAccessUrlId();
             $qb->innerJoin('g.urls', 'u')
                 ->andWhere('u.accessUrl = :urlId')
-                ->setParameter('urlId', $urlId);
+                ->setParameter('urlId', $urlId)
+            ;
         }
 
         return $qb->getQuery()->getResult();
     }
 
-
     /**
      * Determines whether to use the multi-URL feature.
      *
-     * @return bool True if multi-URLs should be used, false otherwise.
+     * @return bool true if multi-URLs should be used, false otherwise
      */
     public function getUseMultipleUrl(): bool
     {
@@ -93,7 +93,7 @@ class UsergroupRepository extends ResourceRepository
     /**
      * Gets the current access URL ID.
      *
-     * @return int The ID of the current access URL.
+     * @return int the ID of the current access URL
      */
     public function getCurrentAccessUrlId(): int
     {
@@ -101,6 +101,4 @@ class UsergroupRepository extends ResourceRepository
         // For now, returning 1 as a default value.
         return 1;
     }
-
-
 }

src/CoreBundle/Repository/PageCategoryRepository.php

@@ -23,7 +23,7 @@ class PageCategoryRepository extends ServiceEntityRepository
         $this->getEntityManager()->flush();
     }
 
-    public function delete(PageCategory $category = null): void
+    public function delete(?PageCategory $category = null): void
     {
         if (null !== $category) {
             $this->getEntityManager()->remove($category);

src/CoreBundle/Repository/PageRepository.php

@@ -23,7 +23,7 @@ class PageRepository extends ServiceEntityRepository
         $this->getEntityManager()->flush();
     }
 
-    public function delete(Page $page = null): void
+    public function delete(?Page $page = null): void
     {
         if (null !== $page) {
             $this->getEntityManager()->remove($page);

src/CoreBundle/Repository/ResourceNodeRepository.php

@@ -99,7 +99,7 @@ class ResourceNodeRepository extends MaterializedPathRepository
         }
     }
 
-    public function getResourceFileUrl(ResourceNode $resourceNode, array $extraParams = [], int $referenceType = null): string
+    public function getResourceFileUrl(ResourceNode $resourceNode, array $extraParams = [], ?int $referenceType = null): string
     {
         try {
             if ($resourceNode->hasResourceFile()) {
@@ -137,7 +137,7 @@ class ResourceNodeRepository extends MaterializedPathRepository
     /**
      * @todo filter files, check status
      */
-    public function getSize(ResourceNode $resourceNode, ResourceType $type, Course $course = null, Session $session = null): int
+    public function getSize(ResourceNode $resourceNode, ResourceType $type, ?Course $course = null, ?Session $session = null): int
     {
         $qb = $this->createQueryBuilder('node')
             ->select('SUM(file.size) as total')

src/CoreBundle/Repository/ResourceRepository.php

@@ -131,8 +131,8 @@ abstract class ResourceRepository extends ServiceEntityRepository
         string $title,
         ResourceNode $parentNode,
         Course $course,
-        Session $session = null,
-        CGroup $group = null
+        ?Session $session = null,
+        ?CGroup $group = null
     ): ?ResourceInterface {
         $qb = $this->getResourcesByCourse($course, $session, $group, $parentNode);
         $this->addTitleQueryBuilder($title, $qb);
@@ -145,8 +145,8 @@ abstract class ResourceRepository extends ServiceEntityRepository
         string $title,
         ResourceNode $parentNode,
         Course $course,
-        Session $session = null,
-        CGroup $group = null
+        ?Session $session = null,
+        ?CGroup $group = null
     ): ?ResourceInterface {
         $qb = $this->getResourcesByCourse($course, $session, $group, $parentNode);
         $this->addSlugQueryBuilder($title, $qb);
@@ -162,8 +162,8 @@ abstract class ResourceRepository extends ServiceEntityRepository
         string $title,
         ResourceNode $parentNode,
         Course $course,
-        Session $session = null,
-        CGroup $group = null
+        ?Session $session = null,
+        ?CGroup $group = null
     ): ?ResourceInterface {
         $qb = $this->getResourcesByCourseIgnoreVisibility($course, $session, $group, $parentNode);
         $this->addSlugQueryBuilder($title, $qb);
@@ -179,8 +179,8 @@ abstract class ResourceRepository extends ServiceEntityRepository
         string $title,
         ResourceNode $parentNode,
         Course $course,
-        Session $session = null,
-        CGroup $group = null
+        ?Session $session = null,
+        ?CGroup $group = null
     ) {
         $qb = $this->getResourcesByCourse($course, $session, $group, $parentNode);
         $this->addTitleQueryBuilder($title, $qb);
@@ -269,7 +269,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         ]);
     }
 
-    public function addVisibilityQueryBuilder(QueryBuilder $qb = null, bool $checkStudentView = false, bool $displayOnlyPublished = true): QueryBuilder
+    public function addVisibilityQueryBuilder(?QueryBuilder $qb = null, bool $checkStudentView = false, bool $displayOnlyPublished = true): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 
@@ -314,7 +314,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    public function addCourseSessionGroupQueryBuilder(Course $course, Session $session = null, CGroup $group = null, QueryBuilder $qb = null): QueryBuilder
+    public function addCourseSessionGroupQueryBuilder(Course $course, ?Session $session = null, ?CGroup $group = null, ?QueryBuilder $qb = null): QueryBuilder
     {
         $reflectionClass = $this->getClassMetadata()->getReflectionClass();
 
@@ -364,7 +364,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $this->toolChain->getResourceTypeNameByEntity($this->getClassName());
     }
 
-    public function getResources(ResourceNode $parentNode = null): QueryBuilder
+    public function getResources(?ResourceNode $parentNode = null): QueryBuilder
     {
         $resourceTypeName = $this->getResourceTypeName();
 
@@ -390,7 +390,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    public function getResourcesByCourse(Course $course, Session $session = null, CGroup $group = null, ResourceNode $parentNode = null, bool $displayOnlyPublished = true, bool $displayOrder = false): QueryBuilder
+    public function getResourcesByCourse(Course $course, ?Session $session = null, ?CGroup $group = null, ?ResourceNode $parentNode = null, bool $displayOnlyPublished = true, bool $displayOrder = false): QueryBuilder
     {
         $qb = $this->getResources($parentNode);
         $this->addVisibilityQueryBuilder($qb, true, $displayOnlyPublished);
@@ -403,7 +403,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    public function getResourcesByCourseIgnoreVisibility(Course $course, Session $session = null, CGroup $group = null, ResourceNode $parentNode = null): QueryBuilder
+    public function getResourcesByCourseIgnoreVisibility(Course $course, ?Session $session = null, ?CGroup $group = null, ?ResourceNode $parentNode = null): QueryBuilder
     {
         $qb = $this->getResources($parentNode);
         $this->addCourseSessionGroupQueryBuilder($course, $session, $group, $qb);
@@ -414,7 +414,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
     /**
      * Get resources only from the base course.
      */
-    public function getResourcesByCourseOnly(Course $course, ResourceNode $parentNode = null): QueryBuilder
+    public function getResourcesByCourseOnly(Course $course, ?ResourceNode $parentNode = null): QueryBuilder
     {
         $qb = $this->getResources($parentNode);
         $this->addCourseQueryBuilder($course, $qb);
@@ -437,7 +437,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb->getQuery()->getOneOrNullResult();
     }
 
-    public function getResourcesByCreator(User $user, ResourceNode $parentNode = null): QueryBuilder
+    public function getResourcesByCreator(User $user, ?ResourceNode $parentNode = null): QueryBuilder
     {
         $qb = $this->createQueryBuilder('resource')
             ->select('resource')
@@ -457,9 +457,9 @@ abstract class ResourceRepository extends ServiceEntityRepository
     public function getResourcesByCourseLinkedToUser(
         User $user,
         Course $course,
-        Session $session = null,
-        CGroup $group = null,
-        ResourceNode $parentNode = null
+        ?Session $session = null,
+        ?CGroup $group = null,
+        ?ResourceNode $parentNode = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session, $group, $parentNode);
         $qb->andWhere('node.creator = :user OR (links.user = :user OR links.user IS NULL)');
@@ -468,7 +468,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    public function getResourcesByLinkedUser(User $user, ResourceNode $parentNode = null): QueryBuilder
+    public function getResourcesByLinkedUser(User $user, ?ResourceNode $parentNode = null): QueryBuilder
     {
         $qb = $this->getResources($parentNode);
         $qb
@@ -553,14 +553,14 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $this->resourceNodeRepository->getResourceNodeFileStream($resourceNode);
     }
 
-    public function getResourceFileDownloadUrl(AbstractResource $resource, array $extraParams = [], int $referenceType = null): string
+    public function getResourceFileDownloadUrl(AbstractResource $resource, array $extraParams = [], ?int $referenceType = null): string
     {
         $extraParams['mode'] = 'download';
 
         return $this->getResourceFileUrl($resource, $extraParams, $referenceType);
     }
 
-    public function getResourceFileUrl(AbstractResource $resource, array $extraParams = [], int $referenceType = null): string
+    public function getResourceFileUrl(AbstractResource $resource, array $extraParams = [], ?int $referenceType = null): string
     {
         return $this->getResourceNodeRepository()->getResourceFileUrl(
             $resource->getResourceNode(),
@@ -658,7 +658,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
     /**
      * @todo remove this function and merge it with addResourceNode()
      */
-    public function createNodeForResource(ResourceInterface $resource, User $creator, ResourceNode $parentNode, UploadedFile $file = null): ResourceNode
+    public function createNodeForResource(ResourceInterface $resource, User $creator, ResourceNode $parentNode, ?UploadedFile $file = null): ResourceNode
     {
         $em = $this->getEntityManager();
 
@@ -720,7 +720,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $resourceNode;
     }
 
-    public function getTotalSpaceByCourse(Course $course, CGroup $group = null, Session $session = null): int
+    public function getTotalSpaceByCourse(Course $course, ?CGroup $group = null, ?Session $session = null): int
     {
         $qb = $this->createQueryBuilder('resource');
         $qb
@@ -762,7 +762,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return (int) $query->getSingleScalarResult();
     }
 
-    public function addTitleDecoration(AbstractResource $resource, Course $course, Session $session = null): string
+    public function addTitleDecoration(AbstractResource $resource, Course $course, ?Session $session = null): string
     {
         if (null === $session) {
             return '';
@@ -818,7 +818,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return true;
     }
 
-    protected function addSlugQueryBuilder(?string $slug, QueryBuilder $qb = null): QueryBuilder
+    protected function addSlugQueryBuilder(?string $slug, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         if (null === $slug) {
@@ -834,7 +834,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    protected function addTitleQueryBuilder(?string $title, QueryBuilder $qb = null): QueryBuilder
+    protected function addTitleQueryBuilder(?string $title, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         if (null === $title) {
@@ -849,7 +849,7 @@ abstract class ResourceRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    protected function addCreatorQueryBuilder(?User $user, QueryBuilder $qb = null): QueryBuilder
+    protected function addCreatorQueryBuilder(?User $user, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         if (null === $user) {
@@ -923,6 +923,6 @@ abstract class ResourceRepository extends ServiceEntityRepository
             ->setMaxResults(1)
             ->getQuery()
             ->getOneOrNullResult()
-       ;
+        ;
     }
 }

src/CoreBundle/Repository/SessionRepository.php

@@ -132,7 +132,7 @@ class SessionRepository extends ServiceEntityRepository
     /**
      * @return array<SessionRelCourse>
      */
-    public function getSessionCoursesByStatusInUserSubscription(User $user, Session $session, int $relationType, AccessUrl $url = null): array
+    public function getSessionCoursesByStatusInUserSubscription(User $user, Session $session, int $relationType, ?AccessUrl $url = null): array
     {
         $qb = $this->getEntityManager()->createQueryBuilder();
 
@@ -180,7 +180,7 @@ class SessionRepository extends ServiceEntityRepository
     /**
      * @return array<SessionRelCourse>
      */
-    public function getSessionCoursesByStatusInCourseSubscription(User $user, Session $session, int $status, AccessUrl $url = null): array
+    public function getSessionCoursesByStatusInCourseSubscription(User $user, Session $session, int $status, ?AccessUrl $url = null): array
     {
         $qb = $this->getEntityManager()->createQueryBuilder();
 

src/CoreBundle/Repository/SkillRepository.php

@@ -52,7 +52,7 @@ class SkillRepository extends ServiceEntityRepository
     /**
      * Get the last acquired skill by a user on course and/or session.
      */
-    public function getLastByUser(User $user, Course $course = null, Session $session = null): ?Skill
+    public function getLastByUser(User $user, ?Course $course = null, ?Session $session = null): ?Skill
     {
         $qb = $this->createQueryBuilder('s');
 

src/CoreBundle/Repository/SysAnnouncementRepository.php

@@ -45,7 +45,7 @@ class SysAnnouncementRepository extends ServiceEntityRepository
         return $roles;
     }
 
-    public function getAnnouncementsQueryBuilder(string $iso, AccessUrl $url, User $user = null): QueryBuilder
+    public function getAnnouncementsQueryBuilder(string $iso, AccessUrl $url, ?User $user = null): QueryBuilder
     {
         $qb = $this->createQueryBuilder('s');
         $qb
@@ -153,7 +153,7 @@ class SysAnnouncementRepository extends ServiceEntityRepository
         return $list;
     }
 
-    public function addRoleListQueryBuilder(array $roles, QueryBuilder $qb = null): QueryBuilder
+    public function addRoleListQueryBuilder(array $roles, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 
@@ -172,7 +172,7 @@ class SysAnnouncementRepository extends ServiceEntityRepository
         return $qb;
     }
 
-    public function addDateQueryBuilder(QueryBuilder $qb = null): QueryBuilder
+    public function addDateQueryBuilder(?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         $qb

src/CoreBundle/Repository/TrackECourseAccessRepository.php

@@ -24,7 +24,7 @@ class TrackECourseAccessRepository extends ServiceEntityRepository
     /**
      * Get the last registered access by an user.
      */
-    public function getLastAccessByUser(User $user = null): ?TrackECourseAccess
+    public function getLastAccessByUser(?User $user = null): ?TrackECourseAccess
     {
         if (null === $user) {
             return null;

src/CoreBundle/Security/AuthenticationEntryPoint.php

@@ -18,7 +18,7 @@ class AuthenticationEntryPoint implements AuthenticationEntryPointInterface
         private readonly UrlGeneratorInterface $urlGenerator,
     ) {}
 
-    public function start(Request $request, AuthenticationException $authException = null): RedirectResponse
+    public function start(Request $request, ?AuthenticationException $authException = null): RedirectResponse
     {
         /*error_log('start');
         $message = $authException->getMessage();

src/CoreBundle/Serializer/ResourceNormalizer.php

@@ -31,9 +31,9 @@ final class ResourceNormalizer implements ContextAwareNormalizerInterface, Norma
 
     public function normalize(
         $object,
-        string $format = null,
+        ?string $format = null,
         array $context = []
-    ): null|array|ArrayObject|bool|float|int|string {
+    ): array|ArrayObject|bool|float|int|string|null {
         $context[self::ALREADY_CALLED] = true;
 
         $request = $this->requestStack->getCurrentRequest();
@@ -101,7 +101,7 @@ final class ResourceNormalizer implements ContextAwareNormalizerInterface, Norma
         return $this->normalizer->normalize($object, $format, $context);
     }
 
-    public function supportsNormalization($data, string $format = null, array $context = []): bool
+    public function supportsNormalization($data, ?string $format = null, array $context = []): bool
     {
         if (isset($context[self::ALREADY_CALLED])) {
             return false;

src/CoreBundle/Serializer/UserToJsonNormalizer.php

@@ -4,7 +4,6 @@ declare(strict_types=1);
 
 namespace Chamilo\CoreBundle\Serializer;
 
-use Agenda;
 use Chamilo\CoreBundle\Entity\GradebookCertificate;
 use Chamilo\CoreBundle\Entity\GradebookResult;
 use Chamilo\CoreBundle\Entity\Message;
@@ -44,7 +43,7 @@ use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\Exception\NotSupported;
 use Doctrine\ORM\NonUniqueResultException;
 use Doctrine\ORM\NoResultException;
-use SocialManager;
+use Exception;
 use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
 use Symfony\Component\Serializer\SerializerInterface;
 
@@ -696,10 +695,10 @@ final class UserToJsonNormalizer
         $em = $this->em;
         $dateFormat = DateTimeInterface::ATOM;
 
-        /* @var User $user */
+        /** @var User $user */
         $user = $this->userRepository->find($userId);
         if (!$user) {
-            throw new \Exception("User not found.");
+            throw new Exception('User not found.');
         }
 
         $personalData = [];
@@ -826,7 +825,7 @@ final class UserToJsonNormalizer
         // Message
         $messages = $em->getRepository(Message::class)->findBy(['sender' => $userId]);
         foreach ($messages as $item) {
-            $receivers = array_map(fn($receiver) => $receiver->getReceiver()->getUsername(), $item->getReceivers()->toArray());
+            $receivers = array_map(fn ($receiver) => $receiver->getReceiver()->getUsername(), $item->getReceivers()->toArray());
             $userData['Messages'][] = [
                 'Title' => $item->getTitle(),
                 'SentDate' => $item->getSendDate()->format($dateFormat),

src/CoreBundle/Settings/SettingsManager.php

@@ -218,7 +218,7 @@ class SettingsManager implements SettingsManagerInterface
         }
     }
 
-    public function load(string $schemaAlias, string $namespace = null, bool $ignoreUnknown = true): SettingsInterface
+    public function load(string $schemaAlias, ?string $namespace = null, bool $ignoreUnknown = true): SettingsInterface
     {
         $settings = new Settings();
         $schemaAliasNoPrefix = $schemaAlias;

src/CoreBundle/State/CategorizedExerciseResultStateProvider.php

@@ -39,7 +39,7 @@ class CategorizedExerciseResultStateProvider implements ProviderInterface
     /**
      * @throws Exception
      */
-    public function provide(Operation $operation, array $uriVariables = [], array $context = []): null|array|object
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): array|object|null
     {
         $trackExercise = $this->entityManager->find(TrackEExercise::class, $uriVariables['exeId']);
 

src/CoreBundle/Traits/CourseControllerTrait.php

@@ -152,7 +152,7 @@ trait CourseControllerTrait
         return $this->session;
     }
 
-    public function setSession(Session $session = null): void
+    public function setSession(?Session $session = null): void
     {
         $this->session = $session;
     }

src/CoreBundle/Traits/ResourceControllerTrait.php

@@ -16,7 +16,6 @@ use Doctrine\ORM\EntityNotFoundException;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
-use Symfony\Component\Security\Core\User\UserInterface;
 
 trait ResourceControllerTrait
 {
@@ -48,7 +47,7 @@ trait ResourceControllerTrait
         return $this->getResourceRepositoryFactory()->getRepositoryService($tool, $type);
     }
 
-    public function denyAccessUnlessValidResource(ResourceInterface $resource = null): void
+    public function denyAccessUnlessValidResource(?ResourceInterface $resource = null): void
     {
         if (null === $resource) {
             throw new EntityNotFoundException($this->trans("Resource doesn't exists."));
@@ -112,9 +111,6 @@ trait ResourceControllerTrait
         return $parentResourceNode;
     }
 
-    /**
-     * @return ?User
-     */
     protected function getUser(): ?User
     {
         /*if (!$this->container->has('security.token_storage')) {

src/CourseBundle/Controller/CourseControllerInterface.php

@@ -20,7 +20,7 @@ interface CourseControllerInterface
 {
     public function setCourse(Course $course): void;
 
-    public function setSession(Session $session = null): void;
+    public function setSession(?Session $session = null): void;
 
     public function getCourse(): ?Course;
 

src/CourseBundle/Entity/CForum.php

@@ -180,7 +180,7 @@ class CForum extends AbstractResource implements ResourceInterface, Stringable
         return $this->forumPosts;
     }
 
-    public function setForumCategory(CForumCategory $forumCategory = null): self
+    public function setForumCategory(?CForumCategory $forumCategory = null): self
     {
         $forumCategory?->getForums()->add($this);
         $this->forumCategory = $forumCategory;

src/CourseBundle/Entity/CForumPost.php

@@ -124,7 +124,7 @@ class CForumPost extends AbstractResource implements ResourceInterface, Stringab
         return $this->postText;
     }
 
-    public function setThread(CForumThread $thread = null): self
+    public function setThread(?CForumThread $thread = null): self
     {
         if (null !== $thread) {
             $thread->getPosts()->add($this);

src/CourseBundle/Entity/CForumThread.php

@@ -140,7 +140,7 @@ class CForumThread extends AbstractResource implements ResourceInterface, String
         return $this->title;
     }
 
-    public function setForum(CForum $forum = null): self
+    public function setForum(?CForum $forum = null): self
     {
         if (null !== $forum) {
             $forum->getThreads()->add($this);

src/CourseBundle/Entity/CGroup.php

@@ -320,7 +320,7 @@ class CGroup extends AbstractResource implements ResourceInterface, Stringable
     {
         return $this->category;
     }
-    public function setCategory(CGroupCategory $category = null): self
+    public function setCategory(?CGroupCategory $category = null): self
     {
         $this->category = $category;
 

src/CourseBundle/Entity/CLp.php

@@ -513,7 +513,7 @@ class CLp extends AbstractResource implements ResourceInterface, ResourceShowCou
         return null !== $this->category;
     }
 
-    public function setCategory(CLpCategory $category = null): self
+    public function setCategory(?CLpCategory $category = null): self
     {
         $this->category = $category;
 

src/CourseBundle/Entity/CSurvey.php

@@ -238,7 +238,7 @@ class CSurvey extends AbstractResource implements ResourceInterface, Stringable
         return $this->availFrom;
     }
 
-    public function setAvailFrom(DateTime $availFrom = null): self
+    public function setAvailFrom(?DateTime $availFrom = null): self
     {
         if (null === $availFrom) {
             $availFrom = new DateTime();
@@ -253,7 +253,7 @@ class CSurvey extends AbstractResource implements ResourceInterface, Stringable
         return $this->availTill;
     }
 
-    public function setAvailTill(DateTime $availTill = null): self
+    public function setAvailTill(?DateTime $availTill = null): self
     {
         if (null === $availTill) {
             $availTill = new DateTime();

src/CourseBundle/Entity/CSurveyAnswer.php

@@ -125,7 +125,7 @@ class CSurveyAnswer
         return $this->sessionId;
     }
 
-    public function setSessionId(int $sessionId = null): static
+    public function setSessionId(?int $sessionId = null): static
     {
         $this->sessionId = $sessionId;
 

src/CourseBundle/Entity/CTool.php

@@ -124,7 +124,7 @@ class CTool extends AbstractResource implements ResourceInterface, ResourceShowC
         return $this->session;
     }
 
-    public function setSession(Session $session = null): self
+    public function setSession(?Session $session = null): self
     {
         $this->session = $session;
 

src/CourseBundle/Repository/CCalendarEventRepository.php

@@ -30,8 +30,8 @@ final class CCalendarEventRepository extends ResourceRepository
         DateTime $endDate,
         array $users,
         Course $course,
-        Session $session = null,
-        CGroup $group = null
+        ?Session $session = null,
+        ?CGroup $group = null
     ): CCalendarEvent {
         $event = (new CCalendarEvent())
             ->setTitle($announcement->getTitle())

src/CourseBundle/Repository/CCourseDescriptionRepository.php

@@ -20,7 +20,7 @@ final class CCourseDescriptionRepository extends ResourceRepository
         parent::__construct($registry, CCourseDescription::class);
     }
 
-    public function findByTypeInCourse(int $type, Course $course, Session $session = null, CGroup $group = null): array
+    public function findByTypeInCourse(int $type, Course $course, ?Session $session = null, ?CGroup $group = null): array
     {
         $qb = $this->getResourcesByCourse($course, $session, $group)
             ->andWhere('resource.descriptionType = :description_type')

src/CourseBundle/Repository/CDocumentRepository.php

@@ -39,7 +39,7 @@ final class CDocumentRepository extends ResourceRepository
         return null;
     }
 
-    public function getFolderSize(ResourceNode $resourceNode, Course $course, Session $session = null): int
+    public function getFolderSize(ResourceNode $resourceNode, Course $course, ?Session $session = null): int
     {
         return $this->getResourceNodeRepository()->getSize($resourceNode, $this->getResourceType(), $course, $session);
     }
@@ -65,7 +65,7 @@ final class CDocumentRepository extends ResourceRepository
         return $query->getResult();
     }
 
-    public function countUserDocuments(User $user, Course $course, Session $session = null, CGroup $group = null): int
+    public function countUserDocuments(User $user, Course $course, ?Session $session = null, ?CGroup $group = null): int
     {
         $qb = $this->getResourcesByCourseLinkedToUser($user, $course, $session, $group);
 
@@ -77,7 +77,7 @@ final class CDocumentRepository extends ResourceRepository
         return $this->getCount($qb);
     }
 
-    protected function addFileTypeQueryBuilder(string $fileType, QueryBuilder $qb = null): QueryBuilder
+    protected function addFileTypeQueryBuilder(string $fileType, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         $qb

src/CourseBundle/Repository/CForumCategoryRepository.php

@@ -20,7 +20,7 @@ class CForumCategoryRepository extends ResourceRepository
         parent::__construct($registry, CForumCategory::class);
     }
 
-    public function getForumCategoryByTitle(string $title, Course $course, Session $session = null): ?ResourceInterface
+    public function getForumCategoryByTitle(string $title, Course $course, ?Session $session = null): ?ResourceInterface
     {
         return $this->findCourseResourceByTitle(
             $title,

src/CourseBundle/Repository/CForumPostRepository.php

@@ -23,14 +23,14 @@ class CForumPostRepository extends ResourceRepository
         parent::__construct($registry, CForumPost::class);
     }
 
-    public function countCourseForumPosts(Course $course, Session $session = null): int
+    public function countCourseForumPosts(Course $course, ?Session $session = null): int
     {
         $qb = $this->getResourcesByCourse($course, $session);
 
         return $this->getCount($qb);
     }
 
-    public function countUserForumPosts(User $user, Course $course, Session $session = null): int
+    public function countUserForumPosts(User $user, Course $course, ?Session $session = null): int
     {
         $qb = $this->getResourcesByCourseLinkedToUser($user, $course, $session);
 

src/CourseBundle/Repository/CForumThreadRepository.php

@@ -21,7 +21,7 @@ class CForumThreadRepository extends ResourceRepository
         parent::__construct($registry, CForumThread::class);
     }
 
-    public function getForumThread(string $title, Course $course, Session $session = null): ?CForumThread
+    public function getForumThread(string $title, Course $course, ?Session $session = null): ?CForumThread
     {
         $qb = $this->getResourcesByCourse($course, $session);
         $qb
@@ -34,8 +34,8 @@ class CForumThreadRepository extends ResourceRepository
 
     public function findAllByCourse(
         Course $course,
-        Session $session = null,
-        string $title = null
+        ?Session $session = null,
+        ?string $title = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session);
 
@@ -73,7 +73,8 @@ class CForumThreadRepository extends ResourceRepository
             WHERE fn.cId = :courseId AND fn.userId = :userId
         )')
             ->setParameter('courseId', $courseId)
-            ->setParameter('userId', $userId);
+            ->setParameter('userId', $userId)
+        ;
 
         return $qb->getQuery()->getResult();
     }

src/CourseBundle/Repository/CGroupRepository.php

@@ -22,10 +22,10 @@ final class CGroupRepository extends ResourceRepository
 
     public function findAllByCourse(
         Course $course,
-        Session $session = null,
-        string $title = null,
-        int $status = null,
-        int $categoryId = null
+        ?Session $session = null,
+        ?string $title = null,
+        ?int $status = null,
+        ?int $categoryId = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session);
 
@@ -45,7 +45,7 @@ final class CGroupRepository extends ResourceRepository
         );
     }
 
-    private function addStatusQueryBuilder(int $status = null, QueryBuilder $qb = null): QueryBuilder
+    private function addStatusQueryBuilder(?int $status = null, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 
@@ -59,7 +59,7 @@ final class CGroupRepository extends ResourceRepository
         return $qb;
     }
 
-    private function addCategoryQueryBuilder(int $categoryId = null, QueryBuilder $qb = null): QueryBuilder
+    private function addCategoryQueryBuilder(?int $categoryId = null, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 

src/CourseBundle/Repository/CLpRelUserRepository.php

@@ -29,7 +29,7 @@ final class CLpRelUserRepository extends ResourceRepository
     public function getUsersSubscribedToItem(
         CLp $lp,
         Course $course,
-        Session $session = null
+        ?Session $session = null
     ) {
         $criteria = [
             'lp' => $lp,
@@ -50,7 +50,7 @@ final class CLpRelUserRepository extends ResourceRepository
     public function subscribeUsersToItem(
         $currentUser,
         Course $course,
-        Session $session = null,
+        ?Session $session = null,
         CLp $lp,
         $newUserList = [],
         $deleteUsers = true
@@ -122,7 +122,7 @@ final class CLpRelUserRepository extends ResourceRepository
      */
     public function unsubcribeUsersToItem(
         Course $course,
-        Session $session = null,
+        ?Session $session = null,
         CLp $lp,
         $usersToDelete
     ): void {

src/CourseBundle/Repository/CLpRepository.php

@@ -42,7 +42,7 @@ final class CLpRepository extends ResourceRepository implements ResourceWithLink
         $this->create($lp);
     }
 
-    public function findForumByCourse(CLp $lp, Course $course, Session $session = null): ?CForum
+    public function findForumByCourse(CLp $lp, Course $course, ?Session $session = null): ?CForum
     {
         $forums = $lp->getForums();
         $result = null;
@@ -62,11 +62,11 @@ final class CLpRepository extends ResourceRepository implements ResourceWithLink
 
     public function findAllByCourse(
         Course $course,
-        Session $session = null,
-        string $title = null,
-        int $active = null,
+        ?Session $session = null,
+        ?string $title = null,
+        ?int $active = null,
         bool $onlyPublished = true,
-        int $categoryId = null
+        ?int $categoryId = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session);
 
@@ -95,7 +95,7 @@ final class CLpRepository extends ResourceRepository implements ResourceWithLink
         return $router->generate('legacy_main', $params);
     }
 
-    protected function addNotDeletedQueryBuilder(QueryBuilder $qb = null): QueryBuilder
+    protected function addNotDeletedQueryBuilder(?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 

src/CourseBundle/Repository/CNotebookRepository.php

@@ -28,7 +28,7 @@ class CNotebookRepository extends ResourceRepository
     public function findByUser(
         User $user,
         Course $course,
-        Session $session = null,
+        ?Session $session = null,
         string $orderField = 'creation_date',
         string $orderDirection = 'DESC'
     ) {

src/CourseBundle/Repository/CQuizRepository.php

@@ -26,11 +26,11 @@ final class CQuizRepository extends ResourceRepository implements ResourceWithLi
 
     public function findAllByCourse(
         Course $course,
-        Session $session = null,
-        string $title = null,
-        int $active = null,
+        ?Session $session = null,
+        ?string $title = null,
+        ?int $active = null,
         bool $onlyPublished = true,
-        int $categoryId = null
+        ?int $categoryId = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session);
 
@@ -58,7 +58,7 @@ final class CQuizRepository extends ResourceRepository implements ResourceWithLi
         return $router->generate('legacy_main', $params);
     }
 
-    private function addDateFilterQueryBuilder(DateTime $dateTime, QueryBuilder $qb = null): QueryBuilder
+    private function addDateFilterQueryBuilder(DateTime $dateTime, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         $qb
@@ -80,7 +80,7 @@ final class CQuizRepository extends ResourceRepository implements ResourceWithLi
         return $qb;
     }
 
-    private function addNotDeletedQueryBuilder(QueryBuilder $qb = null): QueryBuilder
+    private function addNotDeletedQueryBuilder(?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 
@@ -89,7 +89,7 @@ final class CQuizRepository extends ResourceRepository implements ResourceWithLi
         return $qb;
     }
 
-    private function addCategoryQueryBuilder(int $categoryId = null, QueryBuilder $qb = null): QueryBuilder
+    private function addCategoryQueryBuilder(?int $categoryId = null, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 
@@ -114,7 +114,7 @@ final class CQuizRepository extends ResourceRepository implements ResourceWithLi
      * - 1 = active exercises
      * - 2 = all exercises (active and inactive)
      */
-    private function addActiveQueryBuilder(int $active = null, QueryBuilder $qb = null): QueryBuilder
+    private function addActiveQueryBuilder(?int $active = null, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 

src/CourseBundle/Repository/CShortcutRepository.php

@@ -30,7 +30,7 @@ final class CShortcutRepository extends ResourceRepository
         return $this->findOneBy($criteria);
     }
 
-    public function addShortCut(ResourceInterface $resource, User $user, Course $course, Session $session = null): CShortcut
+    public function addShortCut(ResourceInterface $resource, User $user, Course $course, ?Session $session = null): CShortcut
     {
         $shortcut = $this->getShortcutFromResource($resource);
 
@@ -55,7 +55,7 @@ final class CShortcutRepository extends ResourceRepository
         $shortcut = $this->getShortcutFromResource($resource);
         if (null !== $shortcut) {
             $em->remove($shortcut);
-            //$em->flush();
+            // $em->flush();
 
             return true;
         }

src/CourseBundle/Repository/CStudentPublicationRepository.php

@@ -25,10 +25,10 @@ final class CStudentPublicationRepository extends ResourceRepository
 
     public function findAllByCourse(
         Course $course,
-        Session $session = null,
-        string $title = null,
-        int $active = null,
-        string $fileType = null
+        ?Session $session = null,
+        ?string $title = null,
+        ?int $active = null,
+        ?string $fileType = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session);
 
@@ -42,9 +42,9 @@ final class CStudentPublicationRepository extends ResourceRepository
     public function getStudentAssignments(
         CStudentPublication $publication,
         Course $course,
-        Session $session = null,
-        CGroup $group = null,
-        User $user = null
+        ?Session $session = null,
+        ?CGroup $group = null,
+        ?User $user = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session, $group);
 
@@ -57,7 +57,7 @@ final class CStudentPublicationRepository extends ResourceRepository
         return $qb;
     }
 
-    public function getStudentPublicationByUser(User $user, Course $course, Session $session = null): array
+    public function getStudentPublicationByUser(User $user, Course $course, ?Session $session = null): array
     {
         $qb = $this->findAllByCourse($course, $session);
 
@@ -77,8 +77,8 @@ final class CStudentPublicationRepository extends ResourceRepository
     public function countUserPublications(
         User $user,
         Course $course,
-        Session $session = null,
-        CGroup $group = null
+        ?Session $session = null,
+        ?CGroup $group = null
     ): int {
         $qb = $this->getResourcesByCourseLinkedToUser($user, $course, $session);
         $qb->andWhere('resource.publicationParent IS NOT NULL');
@@ -86,7 +86,7 @@ final class CStudentPublicationRepository extends ResourceRepository
         return $this->getCount($qb);
     }
 
-    public function countCoursePublications(Course $course, Session $session = null, CGroup $group = null): int
+    public function countCoursePublications(Course $course, ?Session $session = null, ?CGroup $group = null): int
     {
         $qb = $this->getResourcesByCourse($course, $session, $group);
 
@@ -98,7 +98,7 @@ final class CStudentPublicationRepository extends ResourceRepository
     /**
      * Find all the works registered by a teacher.
      */
-    public function findWorksByTeacher(User $user, Course $course, Session $session = null): array
+    public function findWorksByTeacher(User $user, Course $course, ?Session $session = null): array
     {
         $qb = $this->getResourcesByCourseLinkedToUser($user, $course, $session);
         $qb->andWhere('resource.publicationParent IS NOT NULL');
@@ -110,7 +110,7 @@ final class CStudentPublicationRepository extends ResourceRepository
         ;
     }
 
-    private function addActiveQueryBuilder(int $active = null, QueryBuilder $qb = null): void
+    private function addActiveQueryBuilder(?int $active = null, ?QueryBuilder $qb = null): void
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
 
@@ -122,7 +122,7 @@ final class CStudentPublicationRepository extends ResourceRepository
         }
     }
 
-    private function addNotDeletedPublicationQueryBuilder(QueryBuilder $qb = null): void
+    private function addNotDeletedPublicationQueryBuilder(?QueryBuilder $qb = null): void
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         $qb
@@ -130,7 +130,7 @@ final class CStudentPublicationRepository extends ResourceRepository
         ;
     }
 
-    private function addFileTypeQueryBuilder(?string $fileType, QueryBuilder $qb = null): void
+    private function addFileTypeQueryBuilder(?string $fileType, ?QueryBuilder $qb = null): void
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         if (null === $fileType) {

src/CourseBundle/Repository/CSurveyRepository.php

@@ -28,10 +28,10 @@ final class CSurveyRepository extends ResourceRepository
 
     public function findAllByCourse(
         Course $course,
-        Session $session = null,
-        string $title = null,
-        string $language = null,
-        User $author = null
+        ?Session $session = null,
+        ?string $title = null,
+        ?string $language = null,
+        ?User $author = null
     ): QueryBuilder {
         $qb = $this->getResourcesByCourse($course, $session);
 
@@ -42,7 +42,7 @@ final class CSurveyRepository extends ResourceRepository
         return $qb;
     }
 
-    protected function addTitleQueryBuilder(?string $title, QueryBuilder $qb = null): QueryBuilder
+    protected function addTitleQueryBuilder(?string $title, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);
         if (null === $title) {
@@ -58,7 +58,7 @@ final class CSurveyRepository extends ResourceRepository
         return $qb;
     }
 
-    private function addLanguageQueryBuilder(string $language = null, QueryBuilder $qb = null): QueryBuilder
+    private function addLanguageQueryBuilder(?string $language = null, ?QueryBuilder $qb = null): QueryBuilder
     {
         $qb = $this->getOrCreateQueryBuilder($qb);