Misc. fixes and improvements

src/Command/AddUserCommand.php

@@ -112,7 +112,7 @@ protected function initialize(InputInterface $input, OutputInterface $output): v
      * quite a lot of work. However, if the command is meant to be used by external
      * users, this method is a nice way to fall back and prevent errors.
      */
-    protected function interact(InputInterface $input, OutputInterface $output)
+    protected function interact(InputInterface $input, OutputInterface $output): void
     {
         if (null !== $input->getArgument('username') && null !== $input->getArgument('password') && null !== $input->getArgument('email') && null !== $input->getArgument('full-name')) {
             return;

src/Command/DeleteUserCommand.php

@@ -85,7 +85,7 @@ protected function initialize(InputInterface $input, OutputInterface $output): v
         $this->io = new SymfonyStyle($input, $output);
     }
 
-    protected function interact(InputInterface $input, OutputInterface $output)
+    protected function interact(InputInterface $input, OutputInterface $output): void
     {
         if (null !== $input->getArgument('username')) {
             return;

src/Command/ListUsersCommand.php

@@ -97,7 +97,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $allUsers = $this->users->findBy([], ['id' => 'DESC'], $maxResults);
 
         // Doctrine query returns an array of objects and we need an array of plain arrays
-        $usersAsPlainArrays = array_map(function (User $user) {
+        $usersAsPlainArrays = array_map(static function (User $user) {
             return [
                 $user->getId(),
                 $user->getFullName(),

src/DataFixtures/AppFixtures.php

@@ -58,7 +58,7 @@ private function loadUsers(ObjectManager $manager): void
 
     private function loadTags(ObjectManager $manager): void
     {
-        foreach ($this->getTagData() as $index => $name) {
+        foreach ($this->getTagData() as $name) {
             $tag = new Tag();
             $tag->setName($name);
 
@@ -121,7 +121,7 @@ private function getTagData(): array
         ];
     }
 
-    private function getPostData()
+    private function getPostData(): array
     {
         $posts = [];
         foreach ($this->getPhrases() as $i => $title) {
@@ -193,41 +193,41 @@ private function getRandomText(int $maxLength = 255): string
     private function getPostContent(): string
     {
         return <<<'MARKDOWN'
-Lorem ipsum dolor sit amet consectetur adipisicing elit, sed do eiusmod tempor
-incididunt ut labore et **dolore magna aliqua**: Duis aute irure dolor in
-reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
-Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia
-deserunt mollit anim id est laborum.
-
-  * Ut enim ad minim veniam
-  * Quis nostrud exercitation *ullamco laboris*
-  * Nisi ut aliquip ex ea commodo consequat
-
-Praesent id fermentum lorem. Ut est lorem, fringilla at accumsan nec, euismod at
-nunc. Aenean mattis sollicitudin mattis. Nullam pulvinar vestibulum bibendum.
-Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos
-himenaeos. Fusce nulla purus, gravida ac interdum ut, blandit eget ex. Duis a
-luctus dolor.
-
-Integer auctor massa maximus nulla scelerisque accumsan. *Aliquam ac malesuada*
-ex. Pellentesque tortor magna, vulputate eu vulputate ut, venenatis ac lectus.
-Praesent ut lacinia sem. Mauris a lectus eget felis mollis feugiat. Quisque
-efficitur, mi ut semper pulvinar, urna urna blandit massa, eget tincidunt augue
-nulla vitae est.
-
-Ut posuere aliquet tincidunt. Aliquam erat volutpat. **Class aptent taciti**
-sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Morbi
-arcu orci, gravida eget aliquam eu, suscipit et ante. Morbi vulputate metus vel
-ipsum finibus, ut dapibus massa feugiat. Vestibulum vel lobortis libero. Sed
-tincidunt tellus et viverra scelerisque. Pellentesque tincidunt cursus felis.
-Sed in egestas erat.
-
-Aliquam pulvinar interdum massa, vel ullamcorper ante consectetur eu. Vestibulum
-lacinia ac enim vel placerat. Integer pulvinar magna nec dui malesuada, nec
-congue nisl dictum. Donec mollis nisl tortor, at congue erat consequat a. Nam
-tempus elit porta, blandit elit vel, viverra lorem. Sed sit amet tellus
-tincidunt, faucibus nisl in, aliquet libero.
-MARKDOWN;
+            Lorem ipsum dolor sit amet consectetur adipisicing elit, sed do eiusmod tempor
+            incididunt ut labore et **dolore magna aliqua**: Duis aute irure dolor in
+            reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
+            Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia
+            deserunt mollit anim id est laborum.
+
+              * Ut enim ad minim veniam
+              * Quis nostrud exercitation *ullamco laboris*
+              * Nisi ut aliquip ex ea commodo consequat
+
+            Praesent id fermentum lorem. Ut est lorem, fringilla at accumsan nec, euismod at
+            nunc. Aenean mattis sollicitudin mattis. Nullam pulvinar vestibulum bibendum.
+            Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos
+            himenaeos. Fusce nulla purus, gravida ac interdum ut, blandit eget ex. Duis a
+            luctus dolor.
+
+            Integer auctor massa maximus nulla scelerisque accumsan. *Aliquam ac malesuada*
+            ex. Pellentesque tortor magna, vulputate eu vulputate ut, venenatis ac lectus.
+            Praesent ut lacinia sem. Mauris a lectus eget felis mollis feugiat. Quisque
+            efficitur, mi ut semper pulvinar, urna urna blandit massa, eget tincidunt augue
+            nulla vitae est.
+
+            Ut posuere aliquet tincidunt. Aliquam erat volutpat. **Class aptent taciti**
+            sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Morbi
+            arcu orci, gravida eget aliquam eu, suscipit et ante. Morbi vulputate metus vel
+            ipsum finibus, ut dapibus massa feugiat. Vestibulum vel lobortis libero. Sed
+            tincidunt tellus et viverra scelerisque. Pellentesque tincidunt cursus felis.
+            Sed in egestas erat.
+
+            Aliquam pulvinar interdum massa, vel ullamcorper ante consectetur eu. Vestibulum
+            lacinia ac enim vel placerat. Integer pulvinar magna nec dui malesuada, nec
+            congue nisl dictum. Donec mollis nisl tortor, at congue erat consequat a. Nam
+            tempus elit porta, blandit elit vel, viverra lorem. Sed sit amet tellus
+            tincidunt, faucibus nisl in, aliquet libero.
+            MARKDOWN;
     }
 
     private function getRandomTags(): array

src/Entity/User.php

@@ -174,18 +174,12 @@ public function eraseCredentials(): void
         // $this->plainPassword = null;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function __serialize(): array
     {
         // add $this->salt too if you don't use Bcrypt or Argon2i
         return [$this->id, $this->username, $this->password];
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function __unserialize(array $data): void
     {
         // add $this->salt too if you don't use Bcrypt or Argon2i

src/EventSubscriber/CommentNotificationSubscriber.php

@@ -11,7 +11,6 @@
 
 namespace App\EventSubscriber;
 
-use App\Entity\Comment;
 use App\Event\CommentCreatedEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\Mailer\MailerInterface;
@@ -48,7 +47,6 @@ public static function getSubscribedEvents(): array
 
     public function onCommentCreated(CommentCreatedEvent $event): void
     {
-        /** @var Comment $comment */
         $comment = $event->getComment();
         $post = $comment->getPost();
 

src/Repository/PostRepository.php

@@ -90,7 +90,7 @@ private function extractSearchTerms(string $searchQuery): array
         $terms = array_unique($searchQuery->split(' '));
 
         // ignore the search terms that are too short
-        return array_filter($terms, function ($term) {
+        return array_filter($terms, static function ($term) {
             return 2 <= $term->length();
         });
     }

src/Twig/SourceCodeExtension.php

@@ -14,7 +14,6 @@
 use function Symfony\Component\String\u;
 use Twig\Environment;
 use Twig\Extension\AbstractExtension;
-use Twig\Template;
 use Twig\TemplateWrapper;
 use Twig\TwigFunction;
 
@@ -31,7 +30,7 @@ class SourceCodeExtension extends AbstractExtension
 {
     private $controller;
 
-    public function setController(?callable $controller)
+    public function setController(?callable $controller): void
     {
         $this->controller = $controller;
     }
@@ -120,16 +119,16 @@ private function unindentCode(string $code): string
     {
         $codeLines = u($code)->split("\n");
 
-        $indentedOrBlankLines = array_filter($codeLines, function ($lineOfCode) {
+        $indentedOrBlankLines = array_filter($codeLines, static function ($lineOfCode) {
             return u($lineOfCode)->isEmpty() || u($lineOfCode)->startsWith('    ');
         });
 
         $codeIsIndented = \count($indentedOrBlankLines) === \count($codeLines);
         if ($codeIsIndented) {
-            $unindentedLines = array_map(function ($lineOfCode) {
+            $unindentedLines = array_map(static function ($lineOfCode) {
                 return u($lineOfCode)->after('    ');
             }, $codeLines);
-            $code = u("\n")->join($unindentedLines);
+            $code = u("\n")->join($unindentedLines)->toString();
         }
 
         return $code;