diff --git a/composer.lock b/composer.lock
index 9002aa0c8..d422cb238 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8094,16 +8094,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.5",
+            "version": "1.10.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "1fb6f494d82455151ecf15c5c191923f5d84324e"
+                "reference": "50d089a3e0904b0fe7e2cf2d4fd37d427d64235a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/1fb6f494d82455151ecf15c5c191923f5d84324e",
-                "reference": "1fb6f494d82455151ecf15c5c191923f5d84324e",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/50d089a3e0904b0fe7e2cf2d4fd37d427d64235a",
+                "reference": "50d089a3e0904b0fe7e2cf2d4fd37d427d64235a",
                 "shasum": ""
             },
             "require": {
@@ -8133,7 +8133,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.10.5"
+                "source": "https://github.com/phpstan/phpstan/tree/1.10.6"
             },
             "funding": [
                 {
@@ -8149,20 +8149,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-03-07T16:48:45+00:00"
+            "time": "2023-03-09T16:55:12+00:00"
         },
         {
             "name": "phpstan/phpstan-doctrine",
-            "version": "1.3.33",
+            "version": "1.3.35",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan-doctrine.git",
-                "reference": "fcb67c2a747300ff8e6ae278191f6ff79fc90370"
+                "reference": "3dbb999bd56cc21d6733bab60898ebdf388245b5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan-doctrine/zipball/fcb67c2a747300ff8e6ae278191f6ff79fc90370",
-                "reference": "fcb67c2a747300ff8e6ae278191f6ff79fc90370",
+                "url": "https://api.github.com/repos/phpstan/phpstan-doctrine/zipball/3dbb999bd56cc21d6733bab60898ebdf388245b5",
+                "reference": "3dbb999bd56cc21d6733bab60898ebdf388245b5",
                 "shasum": ""
             },
             "require": {
@@ -8217,9 +8217,9 @@
             "description": "Doctrine extensions for PHPStan",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan-doctrine/issues",
-                "source": "https://github.com/phpstan/phpstan-doctrine/tree/1.3.33"
+                "source": "https://github.com/phpstan/phpstan-doctrine/tree/1.3.35"
             },
-            "time": "2023-02-21T08:52:52+00:00"
+            "time": "2023-03-10T14:43:05+00:00"
         },
         {
             "name": "phpstan/phpstan-symfony",
diff --git a/src/Command/AddUserCommand.php b/src/Command/AddUserCommand.php
index 2bd4d24b5..6bb2f5e48 100644
--- a/src/Command/AddUserCommand.php
+++ b/src/Command/AddUserCommand.php
@@ -56,10 +56,10 @@ class AddUserCommand extends Command
     private SymfonyStyle $io;
 
     public function __construct(
-        private EntityManagerInterface $entityManager,
-        private UserPasswordHasherInterface $passwordHasher,
-        private Validator $validator,
-        private UserRepository $users
+        private readonly EntityManagerInterface $entityManager,
+        private readonly UserPasswordHasherInterface $passwordHasher,
+        private readonly Validator $validator,
+        private readonly UserRepository $users
     ) {
         parent::__construct();
     }
@@ -124,7 +124,7 @@ protected function interact(InputInterface $input, OutputInterface $output): voi
         if (null !== $username) {
             $this->io->text(' > <info>Username</info>: '.$username);
         } else {
-            $username = $this->io->ask('Username', null, [$this->validator, 'validateUsername']);
+            $username = $this->io->ask('Username', null, $this->validator->validateUsername(...));
             $input->setArgument('username', $username);
         }
 
@@ -135,7 +135,7 @@ protected function interact(InputInterface $input, OutputInterface $output): voi
         if (null !== $password) {
             $this->io->text(' > <info>Password</info>: '.u('*')->repeat(u($password)->length()));
         } else {
-            $password = $this->io->askHidden('Password (your type will be hidden)', [$this->validator, 'validatePassword']);
+            $password = $this->io->askHidden('Password (your type will be hidden)', $this->validator->validatePassword(...));
             $input->setArgument('password', $password);
         }
 
@@ -144,7 +144,7 @@ protected function interact(InputInterface $input, OutputInterface $output): voi
         if (null !== $email) {
             $this->io->text(' > <info>Email</info>: '.$email);
         } else {
-            $email = $this->io->ask('Email', null, [$this->validator, 'validateEmail']);
+            $email = $this->io->ask('Email', null, $this->validator->validateEmail(...));
             $input->setArgument('email', $email);
         }
 
@@ -153,7 +153,7 @@ protected function interact(InputInterface $input, OutputInterface $output): voi
         if (null !== $fullName) {
             $this->io->text(' > <info>Full Name</info>: '.$fullName);
         } else {
-            $fullName = $this->io->ask('Full Name', null, [$this->validator, 'validateFullName']);
+            $fullName = $this->io->ask('Full Name', null, $this->validator->validateFullName(...));
             $input->setArgument('full-name', $fullName);
         }
     }
diff --git a/src/Command/DeleteUserCommand.php b/src/Command/DeleteUserCommand.php
index 3da9f4730..1ec8716ed 100644
--- a/src/Command/DeleteUserCommand.php
+++ b/src/Command/DeleteUserCommand.php
@@ -48,10 +48,10 @@ class DeleteUserCommand extends Command
     private SymfonyStyle $io;
 
     public function __construct(
-        private EntityManagerInterface $entityManager,
-        private Validator $validator,
-        private UserRepository $users,
-        private LoggerInterface $logger
+        private readonly EntityManagerInterface $entityManager,
+        private readonly Validator $validator,
+        private readonly UserRepository $users,
+        private readonly LoggerInterface $logger
     ) {
         parent::__construct();
     }
@@ -101,7 +101,7 @@ protected function interact(InputInterface $input, OutputInterface $output): voi
             '',
         ]);
 
-        $username = $this->io->ask('Username', null, [$this->validator, 'validateUsername']);
+        $username = $this->io->ask('Username', null, $this->validator->validateUsername(...));
         $input->setArgument('username', $username);
     }
 
diff --git a/src/Command/ListUsersCommand.php b/src/Command/ListUsersCommand.php
index 68af9f036..43e5fd7bd 100644
--- a/src/Command/ListUsersCommand.php
+++ b/src/Command/ListUsersCommand.php
@@ -46,9 +46,9 @@
 class ListUsersCommand extends Command
 {
     public function __construct(
-        private MailerInterface $mailer,
-        private string $emailSender,
-        private UserRepository $users
+        private readonly MailerInterface $mailer,
+        private readonly string $emailSender,
+        private readonly UserRepository $users
     ) {
         parent::__construct();
     }
diff --git a/src/DataFixtures/AppFixtures.php b/src/DataFixtures/AppFixtures.php
index 9bf77a391..69b8c60f0 100644
--- a/src/DataFixtures/AppFixtures.php
+++ b/src/DataFixtures/AppFixtures.php
@@ -25,8 +25,8 @@
 class AppFixtures extends Fixture
 {
     public function __construct(
-        private UserPasswordHasherInterface $passwordHasher,
-        private SluggerInterface $slugger
+        private readonly UserPasswordHasherInterface $passwordHasher,
+        private readonly SluggerInterface $slugger
     ) {
     }
 
diff --git a/src/EventSubscriber/CheckRequirementsSubscriber.php b/src/EventSubscriber/CheckRequirementsSubscriber.php
index fb485bf76..538cc969d 100644
--- a/src/EventSubscriber/CheckRequirementsSubscriber.php
+++ b/src/EventSubscriber/CheckRequirementsSubscriber.php
@@ -32,7 +32,7 @@
 class CheckRequirementsSubscriber implements EventSubscriberInterface
 {
     public function __construct(
-        private EntityManagerInterface $entityManager
+        private readonly EntityManagerInterface $entityManager
     ) {
     }
 
diff --git a/src/EventSubscriber/CommentNotificationSubscriber.php b/src/EventSubscriber/CommentNotificationSubscriber.php
index 5e2a981a4..9f63ffdcc 100644
--- a/src/EventSubscriber/CommentNotificationSubscriber.php
+++ b/src/EventSubscriber/CommentNotificationSubscriber.php
@@ -28,10 +28,10 @@
 class CommentNotificationSubscriber implements EventSubscriberInterface
 {
     public function __construct(
-        private MailerInterface $mailer,
-        private UrlGeneratorInterface $urlGenerator,
-        private TranslatorInterface $translator,
-        private string $sender
+        private readonly MailerInterface $mailer,
+        private readonly UrlGeneratorInterface $urlGenerator,
+        private readonly TranslatorInterface $translator,
+        private readonly string $sender
     ) {
     }
 
diff --git a/src/EventSubscriber/ControllerSubscriber.php b/src/EventSubscriber/ControllerSubscriber.php
index d72fb3cb3..b44827e0e 100644
--- a/src/EventSubscriber/ControllerSubscriber.php
+++ b/src/EventSubscriber/ControllerSubscriber.php
@@ -26,7 +26,7 @@
 class ControllerSubscriber implements EventSubscriberInterface
 {
     public function __construct(
-        private SourceCodeExtension $twigExtension
+        private readonly SourceCodeExtension $twigExtension
     ) {
     }
 
diff --git a/src/EventSubscriber/RedirectToPreferredLocaleSubscriber.php b/src/EventSubscriber/RedirectToPreferredLocaleSubscriber.php
index ed1c9dc5a..849f7e1f5 100644
--- a/src/EventSubscriber/RedirectToPreferredLocaleSubscriber.php
+++ b/src/EventSubscriber/RedirectToPreferredLocaleSubscriber.php
@@ -32,10 +32,10 @@ class RedirectToPreferredLocaleSubscriber implements EventSubscriberInterface
      * @var string[]
      */
     private array $locales;
-    private string $defaultLocale;
+    private readonly string $defaultLocale;
 
     public function __construct(
-        private UrlGeneratorInterface $urlGenerator,
+        private readonly UrlGeneratorInterface $urlGenerator,
         string $locales,
         ?string $defaultLocale = null
     ) {
diff --git a/src/Form/DataTransformer/TagArrayToStringTransformer.php b/src/Form/DataTransformer/TagArrayToStringTransformer.php
index 6b9cd0b5d..1579c74e8 100644
--- a/src/Form/DataTransformer/TagArrayToStringTransformer.php
+++ b/src/Form/DataTransformer/TagArrayToStringTransformer.php
@@ -30,7 +30,7 @@
 class TagArrayToStringTransformer implements DataTransformerInterface
 {
     public function __construct(
-        private TagRepository $tags
+        private readonly TagRepository $tags
     ) {
     }
 
diff --git a/src/Form/PostType.php b/src/Form/PostType.php
index b0c398b5a..fbef7287c 100644
--- a/src/Form/PostType.php
+++ b/src/Form/PostType.php
@@ -33,7 +33,7 @@ class PostType extends AbstractType
 {
     // Form types are services, so you can inject other services in them if needed
     public function __construct(
-        private SluggerInterface $slugger
+        private readonly SluggerInterface $slugger
     ) {
     }
 
diff --git a/src/Form/Type/DateTimePickerType.php b/src/Form/Type/DateTimePickerType.php
index 33e8d968f..b33d0e4d3 100644
--- a/src/Form/Type/DateTimePickerType.php
+++ b/src/Form/Type/DateTimePickerType.php
@@ -30,7 +30,7 @@
 class DateTimePickerType extends AbstractType
 {
     public function __construct(
-        private MomentFormatConverter $formatConverter
+        private readonly MomentFormatConverter $formatConverter
     ) {
     }
 
diff --git a/src/Form/Type/TagsInputType.php b/src/Form/Type/TagsInputType.php
index 788e856ef..920b764a1 100644
--- a/src/Form/Type/TagsInputType.php
+++ b/src/Form/Type/TagsInputType.php
@@ -31,7 +31,7 @@
 class TagsInputType extends AbstractType
 {
     public function __construct(
-        private TagRepository $tags
+        private readonly TagRepository $tags
     ) {
     }
 
diff --git a/src/Pagination/Paginator.php b/src/Pagination/Paginator.php
index dbfe4f3b0..e6c465b2a 100644
--- a/src/Pagination/Paginator.php
+++ b/src/Pagination/Paginator.php
@@ -26,7 +26,7 @@ class Paginator
      *
      * See https://symfony.com/doc/current/best_practices.html#use-constants-to-define-options-that-rarely-change
      */
-    public const PAGE_SIZE = 10;
+    final public const PAGE_SIZE = 10;
 
     private int $currentPage;
     private int $numResults;
@@ -37,8 +37,8 @@ class Paginator
     private \Traversable $results;
 
     public function __construct(
-        private DoctrineQueryBuilder $queryBuilder,
-        private int $pageSize = self::PAGE_SIZE
+        private readonly DoctrineQueryBuilder $queryBuilder,
+        private readonly int $pageSize = self::PAGE_SIZE
     ) {
     }
 
diff --git a/src/Twig/AppExtension.php b/src/Twig/AppExtension.php
index 993a80f48..e5fa08682 100644
--- a/src/Twig/AppExtension.php
+++ b/src/Twig/AppExtension.php
@@ -27,7 +27,7 @@ class AppExtension extends AbstractExtension
     /**
      * @var string[]
      */
-    private array $localeCodes;
+    private readonly array $localeCodes;
 
     /**
      * @var list<array{code: string, name: string}>|null
@@ -46,7 +46,7 @@ public function __construct(string $locales)
     public function getFunctions(): array
     {
         return [
-            new TwigFunction('locales', [$this, 'getLocales']),
+            new TwigFunction('locales', $this->getLocales(...)),
         ];
     }