diff --git a/.github/workflows/main.yml b/.github/workflows/prs.yml
similarity index 91%
rename from .github/workflows/main.yml
rename to .github/workflows/prs.yml
index 21a02f9..0264bab 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/prs.yml
@@ -1,15 +1,12 @@
 name: CI
-
-on: [push, pull_request]
-
+on:
+  pull_request:
 jobs:
   tests:
     runs-on: ubuntu-latest
-
     strategy:
       matrix:
         php: [8.3, 8.4]
-
     steps:
     - name: Checkout code
       uses: actions/checkout@v4
@@ -20,12 +17,12 @@ jobs:
         php-version: ${{ matrix.php }}
         extensions: pdo, sqlite, imagick
         coverage: none
-
     - name: Validate composer.json and composer.lock
       run: composer validate
-
     - name: Install dependencies
       run: composer install --prefer-dist --no-progress --no-interaction --no-suggest
+    - name: Run ECS
+      run: php vendor/bin/ecs
     - name: Run test suite
       run: |
         php vendor/bin/codecept build
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..7439044
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,71 @@
+name: Automated release
+on:
+  push:
+    branches:
+      - master
+jobs:
+  static_analysis:
+    name: Static Analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup PHP with PECL extension
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+      - uses: ramsey/composer-install@v3
+      - name: Initialize cache
+        uses: actions/cache@v4
+        with:
+          key: phpstan
+          path: .phpstan-cache
+      - name: Run PHPStan
+        run: vendor/bin/phpstan
+      - name: Run ECS
+        run: php vendor/bin/ecs
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: [8.3, 8.4]
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+        extensions: pdo, sqlite, imagick
+        coverage: none
+    - uses: ramsey/composer-install@v3
+    - name: Run test suite
+      run: |
+        php vendor/bin/codecept build
+        php vendor/bin/codecept run
+  release:
+    name: Automated release
+    needs:
+      - static_analysis
+      - tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - run: >
+          npx
+          -p "@semantic-release/commit-analyzer"
+          -p "@semantic-release/release-notes-generator"
+          -p conventional-changelog-conventionalcommits
+          -p semantic-release
+          -- semantic-release --dry-run
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+permissions:
+  packages: write
+  contents: write
+  pull-requests: write
diff --git a/.gitignore b/.gitignore
index 31a345f..ff434cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@
 tests/_support
 tests/_output
 tests/cases/yii2-app-advanced/_data/db.sqlite
+.php-cs-fixer.cache
+.ecs-cache
diff --git a/.releaserc.json b/.releaserc.json
new file mode 100644
index 0000000..a5c5e67
--- /dev/null
+++ b/.releaserc.json
@@ -0,0 +1,10 @@
+{
+  "branches": ["master"],
+  "plugins": [
+    ["@semantic-release/commit-analyzer", {
+      "preset": "conventionalcommits",
+      "presetConfig": {}
+    }],
+    "@semantic-release/github",
+    "@semantic-release/release-notes-generator"]
+}
diff --git a/composer.json b/composer.json
index f93903b..998784c 100644
--- a/composer.json
+++ b/composer.json
@@ -26,11 +26,10 @@
         "yiisoft/yii2": "dev-master",
         "yiisoft/yii2-app-advanced": "dev-master",
         "codeception/verify": "^3.0",
-        "codemix/yii2-localeurls": "^1.7",
         "codeception/module-asserts": ">= 3.0",
         "codeception/module-filesystem": "> 3.0",
         "phpstan/phpstan": "^2",
-        "rector/rector": "^2"
+        "symplify/easy-coding-standard": "^12.5"
     },
     "autoload":{
         "classmap": ["src/"]
diff --git a/ecs.php b/ecs.php
new file mode 100644
index 0000000..0a1526b
--- /dev/null
+++ b/ecs.php
@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+// ecs.php
+use PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\ForbiddenFunctionsSniff;
+use PhpCsFixer\Fixer\ArrayNotation\ArraySyntaxFixer;
+use PhpCsFixer\Fixer\ClassNotation\FinalInternalClassFixer;
+use PhpCsFixer\Fixer\Import\NoUnusedImportsFixer;
+use PhpCsFixer\Fixer\Operator\NotOperatorWithSuccessorSpaceFixer;
+use PhpCsFixer\Fixer\Phpdoc\GeneralPhpdocAnnotationRemoveFixer;
+use PhpCsFixer\Fixer\Phpdoc\NoBlankLinesAfterPhpdocFixer;
+use PhpCsFixer\Fixer\Phpdoc\NoEmptyPhpdocFixer;
+use PhpCsFixer\Fixer\Phpdoc\NoSuperfluousPhpdocTagsFixer;
+use PhpCsFixer\Fixer\Phpdoc\PhpdocIndentFixer;
+use Symplify\EasyCodingStandard\Config\ECSConfig;
+use Symplify\EasyCodingStandard\ValueObject\Set\SetList;
+
+return static function (ECSConfig $ecsConfig): void {
+    // Parallel
+    $ecsConfig->parallel();
+
+    $ecsConfig->cacheDirectory('.ecs-cache');
+    // Paths
+    $ecsConfig->paths([
+        __DIR__ . '/src', __DIR__ . '/tests', __DIR__ . '/ecs.php'
+    ]);
+
+    // A. full sets
+    $ecsConfig->sets([SetList::PSR_12, SetList::SPACES, SetList::STRICT, SetList::DOCBLOCK]);
+
+    $ecsConfig->rule(NotOperatorWithSuccessorSpaceFixer::class);
+    $ecsConfig->rule(ArraySyntaxFixer::class);
+    $ecsConfig->ruleWithConfiguration(GeneralPhpdocAnnotationRemoveFixer::class, [
+        'annotations' => ['author', 'inheritdoc', 'package']
+    ]);
+    $ecsConfig->rule(NoBlankLinesAfterPhpdocFixer::class);
+    $ecsConfig->ruleWithConfiguration(NoSuperfluousPhpdocTagsFixer::class, [
+        'allow_mixed' => true
+    ]);
+    $ecsConfig->rule(NoEmptyPhpdocFixer::class);
+    $ecsConfig->rule(NoUnusedImportsFixer::class);
+    $ecsConfig->ruleWithConfiguration(FinalInternalClassFixer::class, [
+        'annotation_exclude' => ['@not-fix', '@internal'],
+        'annotation_include' => [],
+        'consider_absent_docblock_as_internal_class' => true
+    ]);
+    $ecsConfig->ruleWithConfiguration(ForbiddenFunctionsSniff::class, [
+        'forbiddenFunctions' => [
+            'passthru' => null,
+            'var_dump' => null,
+        ]
+    ]);
+    $ecsConfig->rule(PhpdocIndentFixer::class);
+    $ecsConfig->rule(\PhpCsFixer\Fixer\Phpdoc\AlignMultilineCommentFixer::class);
+
+    $ecsConfig->skip([
+        ForbiddenFunctionsSniff::class => [
+            'tests/**',
+            'console/**'
+        ]
+    ]);
+
+    //    $ecsConfig->skip([
+    //        FinalClassFixer::class => [
+    //            'tests/**'
+    //        ]
+    //    ]);
+};
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 4417730..ce4877d 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -1704,84 +1704,6 @@ parameters:
 			count: 1
 			path: tests/cases/events/functional/ResponseCest.php
 
-		-
-			message: '#^Cannot call method getComponents\(\) on object\|null\.$#'
-			identifier: method.nonObject
-			count: 1
-			path: tests/cases/locale-urls/config.php
-
-		-
-			message: '#^Cannot call method has\(\) on object\|null\.$#'
-			identifier: method.nonObject
-			count: 1
-			path: tests/cases/locale-urls/config.php
-
-		-
-			message: '#^Cannot call method set\(\) on object\|null\.$#'
-			identifier: method.nonObject
-			count: 1
-			path: tests/cases/locale-urls/config.php
-
-		-
-			message: '#^Access to an undefined property yii\\console\\Request\|yii\\web\\Request\:\:\$bodyParams\.$#'
-			identifier: property.notFound
-			count: 1
-			path: tests/cases/locale-urls/controllers/SiteController.php
-
-		-
-			message: '#^Access to an undefined property yii\\console\\Response\|yii\\web\\Response\:\:\$statusCode\.$#'
-			identifier: property.notFound
-			count: 1
-			path: tests/cases/locale-urls/controllers/SiteController.php
-
-		-
-			message: '#^Cannot access property \$request on yii\\base\\Application\|null\.$#'
-			identifier: property.nonObject
-			count: 1
-			path: tests/cases/locale-urls/controllers/SiteController.php
-
-		-
-			message: '#^Cannot access property \$response on yii\\base\\Application\|null\.$#'
-			identifier: property.nonObject
-			count: 1
-			path: tests/cases/locale-urls/controllers/SiteController.php
-
-		-
-			message: '#^Method app\\localeurls\\controllers\\SiteController\:\:actionForm\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: tests/cases/locale-urls/controllers/SiteController.php
-
-		-
-			message: '#^Method app\\localeurls\\controllers\\SiteController\:\:actionPost\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: tests/cases/locale-urls/controllers/SiteController.php
-
-		-
-			message: '#^Method tests\\LocaleUrlCest\:\:testFormSubmit\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: tests/cases/locale-urls/functional/LocaleUrlCest.php
-
-		-
-			message: '#^Method tests\\LocaleUrlCest\:\:testFormSubmit2\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: tests/cases/locale-urls/functional/LocaleUrlCest.php
-
-		-
-			message: '#^Method tests\\LocaleUrlCest\:\:testInstantiation\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: tests/cases/locale-urls/functional/LocaleUrlCest.php
-
-		-
-			message: '#^Method tests\\LocaleUrlCest\:\:testMultipleGet\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: tests/cases/locale-urls/functional/LocaleUrlCest.php
-
 		-
 			message: '#^Cannot access property \$mailer on yii\\base\\Application\|null\.$#'
 			identifier: property.nonObject
@@ -2034,12 +1956,6 @@ parameters:
 			count: 1
 			path: tests/cases/simple/helpers/EmptyString.php
 
-		-
-			message: '#^Parameter \#1 \$directory of function tempnam expects string, null given\.$#'
-			identifier: argument.type
-			count: 3
-			path: tests/cases/sqlite/config.php
-
 		-
 			message: '#^Cannot call method get\(\) on yii\\base\\Application\|null\.$#'
 			identifier: method.nonObject
diff --git a/phpstan.neon b/phpstan.neon
index 4b26724..fb2d525 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,7 +1,12 @@
 includes:
     - phpstan-baseline.neon
 parameters:
+    exceptions:
+        check:
+            missingCheckedExceptionInThrows: false
+        reportUncheckedExceptionDeadCatch: false
     reportUnmatchedIgnoredErrors: true
+    editorUrl: "phpstorm://open?file=%%file%%&line=%%line%%"
     dynamicConstantNames:
       - CONSOLE
       - YII_DEBUG
@@ -10,10 +15,11 @@ parameters:
       - src
       - tests
     checkMaybeUndefinedVariables: true
+    treatPhpDocTypesAsCertain: false
     ignoreErrors:
-        # All Yii setters accept `null` but their phpdoc is incorrect.
-        - message: '~^Parameter #1 \$(.+) of method yii\\web\\Request::set(.+)\(\) expects (.+), null given.$~'
-          path: 'src/'
+        - identifier: return.type
+          path: tests/_support/_generated/FunctionalTesterActions.php
+          message: "# but returns mixed.$#"
         # If you want to ignore missing generics errors in the future, you can add:
         # - identifier: missingType.generics
     stubFiles:
diff --git a/src/Codeception/Lib/Connector/Yii2.php b/src/Codeception/Lib/Connector/Yii2.php
index d6f89cf..bd4b180 100644
--- a/src/Codeception/Lib/Connector/Yii2.php
+++ b/src/Codeception/Lib/Connector/Yii2.php
@@ -15,59 +15,58 @@
 use Symfony\Component\BrowserKit\CookieJar;
 use Symfony\Component\BrowserKit\History;
 use Symfony\Component\BrowserKit\Request as BrowserkitRequest;
-use yii\web\Request as YiiRequest;
 use Symfony\Component\BrowserKit\Response;
 use Yii;
-use yii\base\Component;
 use yii\base\Event;
 use yii\base\ExitException;
 use yii\base\Security;
 use yii\base\UserException;
 use yii\mail\BaseMessage;
-use yii\mail\MessageInterface;
 use yii\web\Application;
-use yii\web\ErrorHandler;
 use yii\web\IdentityInterface;
-use yii\web\Request;
+use yii\web\Request as YiiRequest;
 use yii\web\Response as YiiResponse;
 use yii\web\User;
 
-
 /**
  * @extends Client<BrowserkitRequest, Response>
+ * @internal This class is not part of the public API
  */
-class Yii2 extends Client
+final class Yii2 extends Client
 {
     use Shared\PhpSuperGlobalsConverter;
 
-    const CLEAN_METHODS = [
+    public const CLEAN_METHODS = [
         self::CLEAN_RECREATE,
         self::CLEAN_CLEAR,
         self::CLEAN_FORCE_RECREATE,
-        self::CLEAN_MANUAL
+        self::CLEAN_MANUAL,
     ];
+
     /**
      * Clean the response object by recreating it.
      * This might lose behaviors / event handlers / other changes that are done in the application bootstrap phase.
      */
-    const CLEAN_RECREATE = 'recreate';
+    public const CLEAN_RECREATE = 'recreate';
+
     /**
      * Same as recreate but will not warn when behaviors / event handlers are lost.
      */
-    const CLEAN_FORCE_RECREATE = 'force_recreate';
+    public const CLEAN_FORCE_RECREATE = 'force_recreate';
+
     /**
      * Clean the response object by resetting specific properties via its' `clear()` method.
      * This will keep behaviors / event handlers, but could inadvertently leave some changes intact.
+     *
      * @see \yii\web\Response::clear()
      */
-    const CLEAN_CLEAR = 'clear';
+    public const CLEAN_CLEAR = 'clear';
 
     /**
      * Do not clean the response, instead the test writer will be responsible for manually resetting the response in
      * between requests during one test
      */
-    const CLEAN_MANUAL = 'manual';
-
+    public const CLEAN_MANUAL = 'manual';
 
     /**
      * @var string application config file
@@ -92,6 +91,7 @@ class Yii2 extends Client
     /**
      * This option is there primarily for backwards compatibility.
      * It means you cannot make any modification to application state inside your app, since they will get discarded.
+     *
      * @var bool whether to recreate the whole application before each request
      */
     public $recreateApplication = false;
@@ -107,7 +107,6 @@ class Yii2 extends Client
      */
     public string|null $applicationClass = null;
 
-
     /**
      * @var list<BaseMessage>
      */
@@ -118,7 +117,7 @@ class Yii2 extends Client
      */
     protected function getApplication(): \yii\base\Application
     {
-        if (!isset(Yii::$app)) {
+        if (! isset(Yii::$app)) {
             $this->startApp();
         }
         return Yii::$app ?? throw new \RuntimeException('Failed to create Yii2 application');
@@ -127,7 +126,7 @@ protected function getApplication(): \yii\base\Application
     private function getWebRequest(): YiiRequest
     {
         $request = $this->getApplication()->request;
-        if (!$request instanceof YiiRequest) {
+        if (! $request instanceof YiiRequest) {
             throw new \RuntimeException('Request component is not of type ' . YiiRequest::class);
         }
         return $request;
@@ -149,15 +148,16 @@ public function resetApplication(bool $closeSession = true): void
 
     /**
      * Finds and logs in a user
+     *
      * @internal
-     * @throws ConfigurationException
-     * @throws \RuntimeException
+     * @throws   ConfigurationException
+     * @throws   \RuntimeException
      */
     public function findAndLoginUser(int|string|IdentityInterface $user): void
     {
         $app = $this->getApplication();
         $userComponent = $app->get('user');
-        if (!$userComponent instanceof User) {
+        if (! $userComponent instanceof User) {
             throw new ConfigurationException('The user component is not configured');
         }
 
@@ -176,14 +176,14 @@ public function findAndLoginUser(int|string|IdentityInterface $user): void
 
     /**
      * @internal
-     * @param string $name The name of the cookie
-     * @param string $value The value of the cookie
-     * @return string The value to send to the browser
+     * @param    string $name  The name of the cookie
+     * @param    string $value The value of the cookie
+     * @return   string The value to send to the browser
      */
     public function hashCookieData(string $name, string $value): string
     {
         $request = $this->getWebRequest();
-        if (!$request->enableCookieValidation) {
+        if (! $request->enableCookieValidation) {
             return $value;
         }
         return $this->getApplication()->security->hashData(serialize([$name, $value]), $request->cookieValidationKey);
@@ -191,7 +191,7 @@ public function hashCookieData(string $name, string $value): string
 
     /**
      * @internal
-     * @return non-empty-list<string> List of regex patterns for recognized domain names
+     * @return   non-empty-list<string> List of regex patterns for recognized domain names
      */
     public function getInternalDomains(): array
     {
@@ -200,7 +200,9 @@ public function getInternalDomains(): array
         $domains = [$this->getDomainRegex($urlManager->hostInfo)];
         if ($urlManager->enablePrettyUrl) {
             foreach ($urlManager->rules as $rule) {
-                /** @var \yii\web\UrlRule $rule */
+                /**
+                 * @var \yii\web\UrlRule $rule
+                 */
                 if ($rule->host !== null) {
                     $domains[] = $this->getDomainRegex($rule->host);
                 }
@@ -211,7 +213,7 @@ public function getInternalDomains(): array
 
     /**
      * @internal
-     * @return list<BaseMessage> List of sent emails
+     * @return   list<BaseMessage> List of sent emails
      */
     public function getEmails(): array
     {
@@ -220,6 +222,7 @@ public function getEmails(): array
 
     /**
      * Deletes all stored emails.
+     *
      * @internal
      */
     public function clearEmails(): void
@@ -227,19 +230,6 @@ public function clearEmails(): void
         $this->emails = [];
     }
 
-    /**
-     * @internal
-     */
-    public function getComponent(string $name): object|null
-    {
-        $app = $this->getApplication();
-        $result = $app->get($name, false);
-        if (!isset($result)) {
-            throw new ConfigurationException("Component $name is not available in current application");
-        }
-        return $result;
-    }
-
     /**
      * Getting domain regex from rule host template
      */
@@ -257,7 +247,7 @@ function ($matches) use (&$parameters): string {
                     $parameters[$key] = $matches[1] ?? '\w+';
                     return $key;
                 },
-                $template
+                $template,
             );
         }
         if ($template === null) {
@@ -270,6 +260,7 @@ function ($matches) use (&$parameters): string {
 
     /**
      * Gets the name of the CSRF param.
+     *
      * @internal
      */
     public function getCsrfParamName(): string
@@ -280,8 +271,8 @@ public function getCsrfParamName(): string
     public function startApp(?\yii\log\Logger $logger = null): void
     {
         codecept_debug('Starting application');
-        $config = require($this->configFile);
-        if (!isset($config['class'])) {
+        $config = include $this->configFile;
+        if (! isset($config['class'])) {
             $config['class'] = $this->applicationClass ?? \yii\web\Application::class;
         }
 
@@ -292,7 +283,7 @@ public function startApp(?\yii\log\Logger $logger = null): void
 
         $config = $this->mockMailer($config);
         $app = Yii::createObject($config);
-        if (!$app instanceof \yii\base\Application) {
+        if (! $app instanceof \yii\base\Application) {
             throw new ModuleConfigException($this, "Failed to initialize Yii2 app");
         }
         \Yii::$app = $app;
@@ -327,7 +318,7 @@ public function doRequest(object $request): Response
         $queryString = parse_url($uri, PHP_URL_QUERY);
         $_SERVER['REQUEST_URI'] = $queryString === null ? $pathString : $pathString . '?' . $queryString;
         $_SERVER['REQUEST_METHOD'] = strtoupper($request->getMethod());
-        $_SERVER['QUERY_STRING'] = (string)$queryString;
+        $_SERVER['QUERY_STRING'] = (string) $queryString;
 
         parse_str($queryString ?: '', $params);
         foreach ($params as $k => $v) {
@@ -339,7 +330,7 @@ public function doRequest(object $request): Response
         $this->beforeRequest();
 
         $app = $this->getApplication();
-        if (!$app instanceof Application) {
+        if (! $app instanceof Application) {
             throw new ConfigurationException("Application is not a web application");
         }
 
@@ -373,7 +364,7 @@ public function doRequest(object $request): Response
                 // to expect error response codes in tests.
                 $app->errorHandler->discardExistingOutput = false;
                 $app->errorHandler->handleException($e);
-            } elseif (!$e instanceof ExitException) {
+            } elseif (! $e instanceof ExitException) {
                 // for exceptions not related to Http, we pass them to Codeception
                 throw $e;
             }
@@ -387,7 +378,7 @@ public function doRequest(object $request): Response
         }
 
         $content = ob_get_clean();
-        if (empty($content) && !empty($yiiResponse->content) && !isset($yiiResponse->stream)) {
+        if (empty($content) && ! empty($yiiResponse->content) && ! isset($yiiResponse->stream)) {
             throw new \RuntimeException('No content was sent from Yii application');
         } elseif ($content === false) {
             throw new \RuntimeException('Failed to get output buffer');
@@ -398,19 +389,22 @@ public function doRequest(object $request): Response
 
     /**
      * Encodes the cookies and adds them to the headers.
+     *
      * @throws \yii\base\InvalidConfigException
      */
     protected function encodeCookies(
         YiiResponse $response,
         YiiRequest $request,
-        Security $security
+        Security $security,
     ): void {
         if ($request->enableCookieValidation) {
             $validationKey = $request->cookieValidationKey;
         }
 
         foreach ($response->getCookies() as $cookie) {
-            /** @var \yii\web\Cookie $cookie */
+            /**
+             * @var \yii\web\Cookie $cookie
+             */
             $value = $cookie->value;
             // Expire = 1 means we're removing the cookie
             if ($cookie->expire !== 1 && isset($validationKey)) {
@@ -419,7 +413,7 @@ protected function encodeCookies(
                     : $cookie->value;
                 $value = $security->hashData(serialize($data), $validationKey);
             }
-            $expires = is_int($cookie->expire) ? (string)$cookie->expire : null;
+            $expires = is_int($cookie->expire) ? (string) $cookie->expire : null;
             $c = new Cookie(
                 $cookie->name,
                 $value,
@@ -427,7 +421,7 @@ protected function encodeCookies(
                 $cookie->path,
                 $cookie->domain,
                 $cookie->secure,
-                $cookie->httpOnly
+                $cookie->httpOnly,
             );
             $this->getCookieJar()->set($c);
         }
@@ -435,7 +429,8 @@ protected function encodeCookies(
 
     /**
      * Replace mailer with in memory mailer
-     * @param array<string, mixed> $config Original configuration
+     *
+     * @param  array<string, mixed> $config Original configuration
      * @return array<string, mixed> New configuration
      */
     protected function mockMailer(array $config): array
@@ -457,13 +452,15 @@ protected function mockMailer(array $config): array
             'class' => TestMailer::class,
             'callback' => function (BaseMessage $message): void {
                 $this->emails[] = $message;
-            }
+            },
         ];
 
         if (isset($config['components'])) {
-            if (!is_array($config['components'])) {
-                throw new ModuleConfigException($this,
-                    "Yii2 config does not contain components key is not of type array");
+            if (! is_array($config['components'])) {
+                throw new ModuleConfigException(
+                    $this,
+                    "Yii2 config does not contain components key is not of type array",
+                );
             }
         } else {
             $config['components'] = [];
@@ -490,13 +487,13 @@ public function restart(): void
      * Return an assoc array with the client context: cookieJar, history.
      *
      * @internal
-     * @return array{ cookieJar: CookieJar, history: History }
+     * @return   array{ cookieJar: CookieJar, history: History }
      */
     public function getContext(): array
     {
         return [
             'cookieJar' => $this->cookieJar,
-            'history'   => $this->history,
+            'history' => $this->history,
         ];
     }
 
@@ -513,6 +510,7 @@ public function setContext(array $context): void
 
     /**
      * This functions closes the session of the application, if the application exists and has a session.
+     *
      * @internal
      */
     public function closeSession(): void
@@ -531,19 +529,19 @@ protected function resetResponse(Application $app): void
     {
         $method = $this->responseCleanMethod;
         // First check the current response object.
-        if (
-            ($app->response->hasEventHandlers(YiiResponse::EVENT_BEFORE_SEND)
-                || $app->response->hasEventHandlers(YiiResponse::EVENT_AFTER_SEND)
-                || $app->response->hasEventHandlers(YiiResponse::EVENT_AFTER_PREPARE)
-                || count($app->response->getBehaviors()) > 0)
+        if (($app->response->hasEventHandlers(YiiResponse::EVENT_BEFORE_SEND)
+            || $app->response->hasEventHandlers(YiiResponse::EVENT_AFTER_SEND)
+            || $app->response->hasEventHandlers(YiiResponse::EVENT_AFTER_PREPARE)
+            || count($app->response->getBehaviors()) > 0)
             && $method === self::CLEAN_RECREATE
         ) {
-            Debug::debug(<<<TEXT
+            Debug::debug(
+                <<<TEXT
 [WARNING] You are attaching event handlers or behaviors to the response object. But the Yii2 module is configured to recreate
 the response object, this means any behaviors or events that are not attached in the component config will be lost.
 We will fall back to clearing the response. If you are certain you want to recreate it, please configure
 responseCleanMethod = 'force_recreate' in the module.
-TEXT
+TEXT,
             );
             $method = self::CLEAN_CLEAR;
         }
@@ -563,12 +561,13 @@ protected function resetRequest(Application $app): void
 
         // First check the current request object.
         if (count($request->getBehaviors()) > 0 && $method === self::CLEAN_RECREATE) {
-            Debug::debug(<<<TEXT
+            Debug::debug(
+                <<<TEXT
 [WARNING] You are attaching event handlers or behaviors to the request object. But the Yii2 module is configured to recreate
 the request object, this means any behaviors or events that are not attached in the component config will be lost.
 We will fall back to clearing the request. If you are certain you want to recreate it, please configure 
 requestCleanMethod = 'force_recreate' in the module.  
-TEXT
+TEXT,
             );
             $method = self::CLEAN_CLEAR;
         }
@@ -605,7 +604,7 @@ protected function beforeRequest(): void
 
         $application = $this->getApplication();
 
-        if (!$application instanceof Application) {
+        if (! $application instanceof Application) {
             throw new ConfigurationException('Application must be an instance of web application when doing requests');
         }
         $this->resetResponse($application);
diff --git a/src/Codeception/Lib/Connector/Yii2/ConnectionWatcher.php b/src/Codeception/Lib/Connector/Yii2/ConnectionWatcher.php
index 7f20d5c..e3be083 100644
--- a/src/Codeception/Lib/Connector/Yii2/ConnectionWatcher.php
+++ b/src/Codeception/Lib/Connector/Yii2/ConnectionWatcher.php
@@ -11,15 +11,16 @@
 use yii\db\Connection;
 
 /**
- * Class ConnectionWatcher
  * This class will watch for new database connection and store a reference to the connection object.
- * @package Codeception\Lib\Connector\Yii2
+ * @internal
  */
 class ConnectionWatcher
 {
-    private Closure $handler;
+    private readonly Closure $handler;
 
-    /** @var Connection[] */
+    /**
+     * @var list<Connection>
+     */
     private array $connections = [];
 
     public function __construct()
@@ -59,8 +60,7 @@ public function closeAll(): void
     }
 
     /**
-     * @param string|array<mixed>|JsonSerializable $message
-     * @return void
+     * @param  string|array<mixed>|JsonSerializable $message
      */
     protected function debug(string|array|JsonSerializable $message): void
     {
diff --git a/src/Codeception/Lib/Connector/Yii2/FixturesStore.php b/src/Codeception/Lib/Connector/Yii2/FixturesStore.php
index cb46a77..d985bd3 100644
--- a/src/Codeception/Lib/Connector/Yii2/FixturesStore.php
+++ b/src/Codeception/Lib/Connector/Yii2/FixturesStore.php
@@ -7,17 +7,16 @@
 use yii\test\FixtureTrait;
 use yii\test\InitDbFixture;
 
-class FixturesStore
+final class FixturesStore
 {
     use FixtureTrait;
 
     /**
      * Expects fixtures config
-     *
-     * FixturesStore constructor.
      */
-    public function __construct(protected mixed $data)
-    {
+    public function __construct(
+        protected mixed $data
+    ) {
     }
 
     public function fixtures(): mixed
diff --git a/src/Codeception/Lib/Connector/Yii2/Logger.php b/src/Codeception/Lib/Connector/Yii2/Logger.php
index cae874f..69ebd4e 100644
--- a/src/Codeception/Lib/Connector/Yii2/Logger.php
+++ b/src/Codeception/Lib/Connector/Yii2/Logger.php
@@ -9,7 +9,7 @@
 use yii\helpers\VarDumper;
 use yii\log\Logger as YiiLogger;
 
-class Logger extends YiiLogger
+final class Logger extends YiiLogger
 {
     /**
      * @var \SplQueue<string>
@@ -17,11 +17,12 @@ class Logger extends YiiLogger
     private \SplQueue $logQueue;
 
     /**
-     * @param int $maxLogItems
      * @param array<string, mixed> $config
      */
-    public function __construct(private readonly int $maxLogItems = 5, array $config = [])
-    {
+    public function __construct(
+        private readonly int $maxLogItems = 5,
+        array $config = []
+    ) {
         parent::__construct($config);
         $this->logQueue = new \SplQueue();
     }
@@ -32,17 +33,22 @@ public function init(): void
     }
 
     /**
-     * @param string|array<mixed>|YiiException $message
+     * @param string|array<mixed>|YiiException                       $message
      * @param self::LEVEL_INFO|self::LEVEL_WARNING|self::LEVEL_ERROR $level
-     * @param string $category
+     * @param string                                                 $category
      */
     public function log($message, $level, $category = 'application'): void
     {
-        if (!in_array($level, [
-            self::LEVEL_INFO,
-            self::LEVEL_WARNING,
-            self::LEVEL_ERROR,
-        ], true)) {
+        if (! in_array(
+            $level,
+            [
+                self::LEVEL_INFO,
+                self::LEVEL_WARNING,
+                self::LEVEL_ERROR,
+                ],
+            true
+        )
+        ) {
             return;
         }
         if (str_starts_with($category, 'yii\db\Command')) {
diff --git a/src/Codeception/Lib/Connector/Yii2/TestMailer.php b/src/Codeception/Lib/Connector/Yii2/TestMailer.php
index 230e15a..89b9bca 100644
--- a/src/Codeception/Lib/Connector/Yii2/TestMailer.php
+++ b/src/Codeception/Lib/Connector/Yii2/TestMailer.php
@@ -7,7 +7,7 @@
 use Closure;
 use yii\mail\BaseMailer;
 
-class TestMailer extends BaseMailer
+final class TestMailer extends BaseMailer
 {
     public $messageClass = \yii\symfonymailer\Message::class;
 
diff --git a/src/Codeception/Lib/Connector/Yii2/TransactionForcer.php b/src/Codeception/Lib/Connector/Yii2/TransactionForcer.php
index ae9f19f..e93ac44 100644
--- a/src/Codeception/Lib/Connector/Yii2/TransactionForcer.php
+++ b/src/Codeception/Lib/Connector/Yii2/TransactionForcer.php
@@ -9,27 +9,28 @@
 use yii\db\Transaction;
 
 /**
- * Class TransactionForcer
  * This class adds support for forcing transactions as well as reusing PDO objects.
- * @package Codeception\Lib\Connector\Yii2
  */
-class TransactionForcer extends ConnectionWatcher
+final class TransactionForcer extends ConnectionWatcher
 {
     /**
      * @var array<string, \PDO>
      */
     private array $pdoCache = [];
+
     /**
      * @var array<string, string>
      */
     private array $dsnCache = [];
+
     /**
      * @var array<string, Transaction>
      */
     private array $transactions = [];
 
-    public function __construct(private bool $ignoreCollidingDSN)
-    {
+    public function __construct(
+        private bool $ignoreCollidingDSN
+    ) {
         parent::__construct();
     }
 
@@ -40,34 +41,39 @@ protected function connectionOpened(Connection $connection): void
          * We should check if the known PDO objects are the same, in which case we should reuse the PDO
          * object so only 1 transaction is started and multiple connections to the same database see the
          * same data (due to writes inside a transaction not being visible from the outside).
-         *
          */
-        $key = md5(json_encode([
-            'dsn' => $connection->dsn,
-            'user' => $connection->username,
-            'pass' => $connection->password,
-            'attributes' => $connection->attributes,
-            'emulatePrepare' => $connection->emulatePrepare,
-            'charset' => $connection->charset,
-        ], JSON_THROW_ON_ERROR));
+        $key = md5(
+            json_encode(
+                [
+                'dsn' => $connection->dsn,
+                'user' => $connection->username,
+                'pass' => $connection->password,
+                'attributes' => $connection->attributes,
+                'emulatePrepare' => $connection->emulatePrepare,
+                'charset' => $connection->charset,
+                ],
+                JSON_THROW_ON_ERROR
+            )
+        );
         /*
          * If keys match we assume connections are "similar enough".
          */
         if (isset($this->pdoCache[$key])) {
             $connection->pdo = $this->pdoCache[$key];
-        } elseif(isset($connection->pdo)) {
+        } elseif (isset($connection->pdo)) {
             $this->pdoCache[$key] = $connection->pdo;
         }
         if (isset($this->dsnCache[$connection->dsn])
             && $this->dsnCache[$connection->dsn] !== $key
-            && !$this->ignoreCollidingDSN
+            && ! $this->ignoreCollidingDSN
         ) {
-            $this->debug(<<<TEXT
+            $this->debug(
+                <<<TEXT
 You use multiple connections to the same DSN ({$connection->dsn}) with different configuration.
 These connections will not see the same database state since we cannot share a transaction between different PDO
 instances.
 You can remove this message by adding 'ignoreCollidingDSN = true' in the module configuration.
-TEXT
+TEXT,
             );
             Debug::pause();
         }
@@ -81,7 +87,9 @@ protected function connectionOpened(Connection $connection): void
 
     public function rollbackAll(): void
     {
-        /** @var Transaction $transaction */
+        /**
+         * @var Transaction $transaction
+         */
         foreach ($this->transactions as $transaction) {
             if ($transaction->db->isActive) {
                 $transaction->rollBack();
diff --git a/src/Codeception/Module/Yii2.php b/src/Codeception/Module/Yii2.php
index cfa9eee..768c69a 100644
--- a/src/Codeception/Module/Yii2.php
+++ b/src/Codeception/Module/Yii2.php
@@ -16,20 +16,20 @@
 use Codeception\Lib\Interfaces\MultiSession;
 use Codeception\Lib\Interfaces\PartedModule;
 use Codeception\TestInterface;
+use PHPUnit\Framework\Assert;
 use ReflectionClass;
 use RuntimeException;
 use Symfony\Component\BrowserKit\CookieJar;
 use Symfony\Component\BrowserKit\History;
 use Yii;
 use yii\base\Security;
-use yii\web\Application as WebApplication;
 use yii\db\ActiveQueryInterface;
 use yii\db\ActiveRecordInterface;
 use yii\helpers\Url;
 use yii\mail\BaseMessage;
 use yii\mail\MessageInterface;
 use yii\test\Fixture;
-use yii\web\Application;
+use yii\web\Application as WebApplication;
 use yii\web\IdentityInterface;
 
 /**
@@ -218,7 +218,7 @@
  *       applicationClass: class-string<\yii\base\Application>|null
  *   }
  */
-class Yii2 extends Framework implements ActiveRecord, MultiSession, PartedModule
+final class Yii2 extends Framework implements ActiveRecord, MultiSession, PartedModule
 {
     /**
      * @var list<Yii2Connector\FixturesStore>
@@ -227,16 +227,17 @@ class Yii2 extends Framework implements ActiveRecord, MultiSession, PartedModule
 
     /**
      * Application config file must be set.
+     *
      * @var ModuleConfig
      */
     protected array $config = [
         'fixturesMethod' => '_fixtures',
-        'cleanup'     => true,
+        'cleanup' => true,
         'ignoreCollidingDSN' => false,
         'transaction' => true,
         'configFile' => null,
         'entryScript' => '',
-        'entryUrl'    => 'http://localhost/index-test.php',
+        'entryUrl' => 'http://localhost/index-test.php',
         'responseCleanMethod' => Yii2Connector::CLEAN_CLEAR,
         'requestCleanMethod' => Yii2Connector::CLEAN_RECREATE,
         'recreateComponents' => [],
@@ -256,7 +257,7 @@ class Yii2 extends Framework implements ActiveRecord, MultiSession, PartedModule
     private TransactionForcer $transactionForcer;
 
     /**
-     * @var array<mixed> The contents of $_SERVER upon initialization of this object.
+     * @var array<mixed> The contents of upon initialization of this object.
      * This is only used to restore it upon object destruction.
      * It MUST not be used anywhere else.
      */
@@ -266,10 +267,10 @@ class Yii2 extends Framework implements ActiveRecord, MultiSession, PartedModule
 
     private function getClient(): Yii2Connector
     {
-        if (!isset($this->client)) {
+        if (! isset($this->client)) {
             throw new RuntimeException('Browser not initialized');
         }
-        if (!$this->client instanceof Yii2Connector) {
+        if (! $this->client instanceof Yii2Connector) {
             throw new RuntimeException('The Yii2 module must be used with the Yii2 browser client');
         }
         return $this->client;
@@ -311,13 +312,16 @@ private function initServerGlobal(): void
         $parsedUrl = parse_url($entryUrl);
         $entryFile = $this->config['entryScript'] ?: basename($entryUrl);
         $entryScript = $this->config['entryScript'] ?: ($parsedUrl['path'] ?? '');
-        $_SERVER = array_merge($_SERVER, [
+        $_SERVER = array_merge(
+            $_SERVER,
+            [
             'SCRIPT_FILENAME' => $entryFile,
             'SCRIPT_NAME' => $entryScript,
             'SERVER_NAME' => $parsedUrl['host'] ?? '',
             'SERVER_PORT' => $parsedUrl['port'] ?? '80',
-            'HTTPS' => isset($parsedUrl['scheme']) && $parsedUrl['scheme'] === 'https'
-        ]);
+            'HTTPS' => isset($parsedUrl['scheme']) && $parsedUrl['scheme'] === 'https',
+            ]
+        );
     }
 
     /**
@@ -326,35 +330,34 @@ private function initServerGlobal(): void
     protected function validateConfig(): void
     {
         parent::validateConfig();
-        if (!isset($this->config['configFile'])) {
+        if (! isset($this->config['configFile'])) {
             throw new ModuleConfigException(
                 self::class,
-                "The application config file was not configured"
+                "The application config file was not configured",
             );
         }
         $pathToConfig = codecept_absolute_path($this->config['configFile']);
-        if (!is_file($pathToConfig)) {
+        if (! is_file($pathToConfig)) {
             throw new ModuleConfigException(
                 self::class,
-                "The application config file does not exist: " . $pathToConfig
+                "The application config file does not exist: " . $pathToConfig,
             );
         }
         $validMethods = implode(", ", Yii2Connector::CLEAN_METHODS);
-        if (!in_array($this->config['responseCleanMethod'], Yii2Connector::CLEAN_METHODS, true)) {
+        if (! in_array($this->config['responseCleanMethod'], Yii2Connector::CLEAN_METHODS, true)) {
             throw new ModuleConfigException(
                 self::class,
-                "The response clean method must be one of: " . $validMethods
+                "The response clean method must be one of: " . $validMethods,
             );
         }
-        if (!in_array($this->config['requestCleanMethod'], Yii2Connector::CLEAN_METHODS, true)) {
+        if (! in_array($this->config['requestCleanMethod'], Yii2Connector::CLEAN_METHODS, true)) {
             throw new ModuleConfigException(
                 self::class,
-                "The request clean method must be one of: " . $validMethods
+                "The request clean method must be one of: " . $validMethods,
             );
         }
     }
 
-
     /**
      * @param ClientConfig $settings
      */
@@ -379,13 +382,15 @@ protected function recreateClient(): void
         $parsedUrl = parse_url($entryUrl);
         $entryFile = $this->config['entryScript'] ?: basename($entryUrl);
         $entryScript = $this->config['entryScript'] ?: ($parsedUrl['path'] ?? '');
-        $this->client = new Yii2Connector([
+        $this->client = new Yii2Connector(
+            [
             'SCRIPT_FILENAME' => $entryFile,
             'SCRIPT_NAME' => $entryScript,
             'SERVER_NAME' => $parsedUrl['host'] ?? '',
             'SERVER_PORT' => $parsedUrl['port'] ?? '80',
-            'HTTPS' => isset($parsedUrl['scheme']) && $parsedUrl['scheme'] === 'https'
-        ]);
+            'HTTPS' => isset($parsedUrl['scheme']) && $parsedUrl['scheme'] === 'https',
+            ]
+        );
         $this->validateConfig();
         $this->configureClient($this->config);
     }
@@ -517,7 +522,7 @@ public function amLoggedInAs(int|string|IdentityInterface $user): void
     {
         try {
             $this->getClient()->findAndLoginUser($user);
-        } catch (ConfigurationException|RuntimeException $e) {
+        } catch (ConfigurationException | RuntimeException $e) {
             throw new ModuleException($this, $e->getMessage());
         }
     }
@@ -555,7 +560,7 @@ public function amLoggedInAs(int|string|IdentityInterface $user): void
      * ```
      * instead of calling `haveFixtures` in Cest `_before`
      *
-     * @part fixtures
+     * @part  fixtures
      * @param array<mixed> $fixtures
      */
     public function haveFixtures(array $fixtures): void
@@ -573,14 +578,14 @@ public function haveFixtures(array $fixtures): void
      * Returns all loaded fixtures.
      * Array of fixture instances
      *
-     * @part fixtures
+     * @part   fixtures
      * @return array<string, Fixture>
      */
     public function grabFixtures(): array
     {
         $result = [];
-        foreach($this->loadedFixtures as $store) {
-            foreach($store->getFixtures() as $name => $fixture) {
+        foreach ($this->loadedFixtures as $store) {
+            foreach ($store->getFixtures() as $name => $fixture) {
                 $result[$name] = $fixture;
             }
         }
@@ -604,19 +609,19 @@ public function grabFixtures(): array
      * ```
      *
      * @throws \Codeception\Exception\ModuleException if the fixture is not found
-     * @part fixtures
+     * @part   fixtures
      */
     public function grabFixture(string $name, null|string $index = null): Fixture|\yii\db\ActiveRecord|null
     {
         $fixtures = $this->grabFixtures();
-        if (!isset($fixtures[$name])) {
+        if (! isset($fixtures[$name])) {
             throw new ModuleException($this, "Fixture $name is not loaded");
         }
         $fixture = $fixtures[$name];
         return match (true) {
             $index === null => $fixture,
             $fixture instanceof \yii\test\BaseActiveFixture => $fixture->getModel($index),
-            default => throw new ModuleException($this, "Fixture $name is not an instance of ActiveFixture and can't be loaded with second parameter")
+            default => throw new ModuleException($this, "Fixture $name is not an instance of ActiveFixture and can't be loaded with second parameter"),
         };
     }
 
@@ -625,42 +630,45 @@ public function grabFixture(string $name, null|string $index = null): Fixture|\y
      *
      * ``` php
      * <?php
-     * $user_id = $I->haveRecord('app\models\User', array('name' => 'Davert'));
+     * $user_id = $I->haveRecord(model: User::class, attributes: ['name' => 'Davert']);
      * ?>
      * ```
+     *
      * @template T of \yii\db\ActiveRecord
-     * @param class-string<T> $model
-     * @param array<string, mixed> $attributes
-     * @part orm
+     * @param    class-string<T>      $model
+     * @param                   array<string, mixed> $attributes
+     * @part     orm
+     * @return int|string|array<string, int|string> The primary key
      */
-    public function haveRecord(string $model, $attributes = []): mixed
+    public function haveRecord(string $model, $attributes = []): int|string|array
     {
-        /** @var T $record */
+        /**
+         * @var T $record
+         */
         $record = \Yii::createObject($model);
         $record->setAttributes($attributes, false);
-        $res = $record->save(false);
-        if (!$res) {
-            $this->fail("Record $model was not saved: " . \yii\helpers\Json::encode($record->errors));
+        if (! $record->save(false)) {
+            Assert::fail("Record $model was not saved: " . \yii\helpers\Json::encode($record->errors));
         }
-        return $record->primaryKey;
+        return $record->getPrimaryKey();
     }
 
     /**
      * Checks that a record exists in the database.
      *
      * ```php
-     * $I->seeRecord('app\models\User', array('name' => 'davert'));
+     * $I->seeRecord(model: User::class, attributes: ['name' => 'davert']);
      * ```
      *
      * @param class-string<\yii\db\ActiveRecord> $model
-     * @param array<string, mixed> $attributes
-     * @part orm
+     * @param array<string, mixed>               $attributes
+     * @part  orm
      */
     public function seeRecord(string $model, array $attributes = []): void
     {
         $record = $this->findRecord($model, $attributes);
-        if (!$record) {
-            $this->fail("Couldn't find $model with " . json_encode($attributes));
+        if (! $record) {
+            Assert::fail("Couldn't find $model with " . json_encode($attributes));
         }
         $this->debugSection($model, json_encode($record));
     }
@@ -669,19 +677,19 @@ public function seeRecord(string $model, array $attributes = []): void
      * Checks that a record does not exist in the database.
      *
      * ```php
-     * $I->dontSeeRecord('app\models\User', array('name' => 'davert'));
+     * $I->dontSeeRecord(User::class, attributes: ['name' => 'davert']);
      * ```
      *
      * @param class-string<\yii\db\ActiveRecord> $model
-     * @param array<string, mixed> $attributes
-     * @part orm
+     * @param array<string, mixed>               $attributes
+     * @part  orm
      */
     public function dontSeeRecord(string $model, array $attributes = []): void
     {
         $record = $this->findRecord($model, $attributes);
         $this->debugSection($model, json_encode($record));
         if ($record) {
-            $this->fail("Unexpectedly managed to find $model with " . json_encode($attributes));
+            Assert::fail("Unexpectedly managed to find $model with " . json_encode($attributes));
         }
     }
 
@@ -689,13 +697,13 @@ public function dontSeeRecord(string $model, array $attributes = []): void
      * Retrieves a record from the database
      *
      * ```php
-     * $category = $I->grabRecord('app\models\User', array('name' => 'davert'));
+     * $category = $I->grabRecord(User::class, attributes: ['name' => 'davert']);
      * ```
      *
-     * @param class-string<\yii\db\ActiveRecord> $model
-     * @param array<string, mixed> $attributes
+     * @param  class-string<\yii\db\ActiveRecord> $model
+     * @param  array<string, mixed>               $attributes
      * @return ActiveRecordInterface|null|array<string, mixed>
-     * @part orm
+     * @part   orm
      */
     public function grabRecord(string $model, array $attributes = []): ActiveRecordInterface|null|array
     {
@@ -703,18 +711,17 @@ public function grabRecord(string $model, array $attributes = []): ActiveRecordI
     }
 
     /**
-     * @param class-string<\yii\db\ActiveRecord> $model Class name
-     * @param array<string, mixed> $attributes
+     * @param  class-string<\yii\db\ActiveRecord> $model      Class name
+     * @param  array<string, mixed>               $attributes
      * @return ActiveRecordInterface|null|array<mixed>
      */
     protected function findRecord(string $model, array $attributes = []): ActiveRecordInterface|null|array
     {
-        if (!class_exists($model)) {
+        if (! class_exists($model)) {
             throw new RuntimeException("Class $model does not exist");
         }
         $rc = new ReflectionClass($model);
         if ($rc->hasMethod('find')
-            /** @phpstan-ignore-next-line */
             && ($findMethod = $rc->getMethod('find'))
             && $findMethod->isStatic()
             && $findMethod->isPublic()
@@ -736,9 +743,9 @@ protected function findRecord(string $model, array $attributes = []): ActiveReco
      * $I->amOnRoute('site/view', ['page' => 'about']);
      * ```
      *
-     * @param string $route A route
+     * @param string                   $route  A route
      * @param array<int|string, mixed> $params Additional route parameters
-     * @part route
+     * @part  route
      */
     public function amOnRoute(string $route, array $params = []): void
     {
@@ -763,7 +770,7 @@ public function amOnRoute(string $route, array $params = []): void
      * ```
      *
      * @throws \Codeception\Exception\ModuleException
-     * @part email
+     * @part   email
      */
     public function seeEmailIsSent(?int $num = null): void
     {
@@ -796,7 +803,7 @@ public function dontSeeEmailIsSent(): void
      * $I->assertSame('admin@site,com', $messages[0]->getTo());
      * ```
      *
-     * @part email
+     * @part   email
      * @return list<BaseMessage&MessageInterface> List of sent emails
      * @throws \Codeception\Exception\ModuleException
      */
@@ -818,6 +825,7 @@ public function grabSentEmails(): array
      * $message = $I->grabLastSentEmail();
      * $I->assertSame('admin@site,com', $message->getTo());
      * ```
+     *
      * @part email
      */
     public function grabLastSentEmail(): BaseMessage|null
@@ -830,6 +838,7 @@ public function grabLastSentEmail(): BaseMessage|null
 
     /**
      * Returns a list of regex patterns for recognized domain names
+     *
      * @return non-empty-list<string>
      */
     public function getInternalDomains(): array
@@ -846,8 +855,9 @@ private function defineConstants(): void
 
     /**
      * Sets a cookie and, if validation is enabled, signs it.
-     * @param string $name The name of the cookie
-     * @param string $val The value of the cookie
+     *
+     * @param string                                                             $name   The name of the cookie
+     * @param string                                                             $val    The value of the cookie
      * @param array{domain?: string, path?: string, expires?: int, secure?:bool} $params Additional cookie params like `domain`, `path`, `expires` and `secure`.
      */
     public function setCookie($name, $val, $params = []): void
@@ -857,7 +867,8 @@ public function setCookie($name, $val, $params = []): void
 
     /**
      * Creates the CSRF Cookie.
-     * @param string $val The value of the CSRF token
+     *
+     * @param  string $val The value of the CSRF token
      * @return string[] Returns an array containing the name of the CSRF param and the masked CSRF token.
      */
     public function createAndSetCsrfCookie(string $val): array
@@ -889,6 +900,7 @@ public function _initializeSession(): void
 
     /**
      * Return the session content for future restoring. Implements MultiSession.
+     *
      * @return SessionBackup
      */
     public function _backupSession(): array
@@ -907,6 +919,7 @@ public function _backupSession(): array
 
     /**
      * Restore a session. Implements MultiSession.
+     *
      * @param SessionBackup $session output of _backupSession()
      */
     public function _loadSession($session): void
@@ -924,11 +937,12 @@ public function _loadSession($session): void
 
     /**
      * Close and dump a session. Implements MultiSession.
+     *
      * @param mixed $session
      */
     public function _closeSession($session = null): void
     {
-        if (!$session) {
+        if (! $session) {
             $this->_initializeSession();
         }
     }
diff --git a/tests/Yii.stub b/tests/Yii.stub
index 2a715d2..bbfd44a 100644
--- a/tests/Yii.stub
+++ b/tests/Yii.stub
@@ -17,6 +17,27 @@ namespace yii {
 namespace yii\base {
 
     class Application {}
+
+    class Model {}
+}
+
+namespace yii\db {
+    class BaseActiveRecord extends \yii\base\Model {
+        /**
+         * @param bool $asArray
+         * @return int|string|array<string, int|string>|null
+         */
+        public function getPrimaryKey($asArray = false) {}
+
+        /**
+         * @return bool
+         * @param bool $runValidation
+         * @param null|list<string> $attributeNames
+         * @phpstan-assert-if-true (int|string|array<string, int|string>) $this->getPrimaryKey()
+         */
+        public function save($runValidation = true, $attributeNames = null) {}
+
+    }
 }
 
 namespace yii\web {
@@ -33,6 +54,45 @@ namespace yii\web {
          * @return void
          */
         public function setBaseUrl($url) {}
+
+        /**
+         * @param array<mixed>|object|null $params
+         */
+        public function setBodyParams($params): void {}
+
+        /**
+         * @param list<string>|null $params
+         */
+        public function setAcceptableContentTypes($params): void {}
+        /**
+         * @param list<string>|null $params
+         */
+        public function setAcceptableLanguages($params): void {}
+
+        /**
+         * @param string|null $body
+         */
+        public function setRawBody($body): void {}
+
+        /**
+         * @param string|null $path
+         */
+        public function setPathInfo($path): void {}
+
+        /**
+         * @param string|null $path
+         */
+        public function setScriptUrl($path): void {}
+
+        /**
+         * @param string|null $path
+         */
+        public function setUrl($path): void {}
+
+         /**
+          * @param string|null $path
+          */
+        public function setScriptFile($path): void {}
     }
 
 }
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 5ce6bee..9dcd5fa 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 defined('YII_DEBUG') || define('YII_DEBUG', true);
 defined('YII_ENV') || define('YII_ENV', 'test');
 
@@ -7,6 +10,6 @@
 Yii::$container = new \yii\di\Container();
 
 $link = dirname(__DIR__) . '/vendor/yiisoft/yii2-app-advanced/vendor';
-if (!file_exists($link) && !symlink(dirname(__DIR__) . '/vendor', $link)) {
+if (! file_exists($link) && ! symlink(dirname(__DIR__) . '/vendor', $link)) {
     die('failed to create symlink');
 }
diff --git a/tests/cases/closeConnections/config.php b/tests/cases/closeConnections/config.php
index 99e2245..7c85f5f 100644
--- a/tests/cases/closeConnections/config.php
+++ b/tests/cases/closeConnections/config.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 return [
     'id' => 'Simple',
     'basePath' => __DIR__,
@@ -9,4 +12,4 @@
             'dsn' => 'sqlite:' . \tests\helpers\SqlliteHelper::getTmpFile(),
         ],
     ],
-];
\ No newline at end of file
+];
diff --git a/tests/cases/closeConnections/fixtures/EmptyFixture.php b/tests/cases/closeConnections/fixtures/EmptyFixture.php
index 9006bb0..688e5a5 100644
--- a/tests/cases/closeConnections/fixtures/EmptyFixture.php
+++ b/tests/cases/closeConnections/fixtures/EmptyFixture.php
@@ -6,7 +6,7 @@
 
 use yii\test\DbFixture;
 
-class EmptyFixture extends DbFixture
+final class EmptyFixture extends DbFixture
 {
     public function load()
     {
@@ -15,4 +15,4 @@ public function load()
     public function unload()
     {
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnections/functional/FixturesCest.php b/tests/cases/closeConnections/functional/FixturesCest.php
index 1c034cf..b8e7b82 100644
--- a/tests/cases/closeConnections/functional/FixturesCest.php
+++ b/tests/cases/closeConnections/functional/FixturesCest.php
@@ -9,7 +9,7 @@
 use tests\FunctionalTester;
 use tests\helpers\SqlliteHelper;
 
-class FixturesCest
+final class FixturesCest
 {
     public function _fixtures()
     {
@@ -26,12 +26,10 @@ protected function numberProvider()
     }
 
     /**
-     * @param FunctionalTester $I
      * @dataProvider numberProvider
      */
     public function NoConnections(FunctionalTester $I, Example $example)
     {
         $I->assertSame(SqlliteHelper::connectionCount(), $example['count']);
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnections/functional/FixturesInBeforeCest.php b/tests/cases/closeConnections/functional/FixturesInBeforeCest.php
index 711d587..72d33e1 100644
--- a/tests/cases/closeConnections/functional/FixturesInBeforeCest.php
+++ b/tests/cases/closeConnections/functional/FixturesInBeforeCest.php
@@ -9,7 +9,7 @@
 use tests\FunctionalTester;
 use tests\helpers\SqlliteHelper;
 
-class FixturesInBeforeCest
+final class FixturesInBeforeCest
 {
     public function _before(FunctionalTester $I)
     {
@@ -26,12 +26,10 @@ protected function numberProvider()
     }
 
     /**
-     * @param FunctionalTester $I
      * @dataProvider numberProvider
      */
     public function NoConnections(FunctionalTester $I, Example $example)
     {
         $I->assertSame(SqlliteHelper::connectionCount(), $example['count']);
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnections/functional/NoFixturesCest.php b/tests/cases/closeConnections/functional/NoFixturesCest.php
index 2ff5b40..ba2e9bf 100644
--- a/tests/cases/closeConnections/functional/NoFixturesCest.php
+++ b/tests/cases/closeConnections/functional/NoFixturesCest.php
@@ -8,20 +8,18 @@
 use tests\FunctionalTester;
 use tests\helpers\SqlliteHelper;
 
-class NoFixturesCest
+final class NoFixturesCest
 {
-
     protected function numberProvider()
     {
         return array_pad([], 5, ['count' => 0]);
     }
 
     /**
-     * @param FunctionalTester $I
      * @dataProvider numberProvider
      */
     public function NoConnections(FunctionalTester $I, Example $example)
     {
         $I->assertSame(SqlliteHelper::connectionCount(), $example['count']);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnections/helpers/SqlliteHelper.php b/tests/cases/closeConnections/helpers/SqlliteHelper.php
index 15f263a..b7c4887 100644
--- a/tests/cases/closeConnections/helpers/SqlliteHelper.php
+++ b/tests/cases/closeConnections/helpers/SqlliteHelper.php
@@ -4,7 +4,7 @@
 
 namespace tests\helpers;
 
-class SqlliteHelper
+final class SqlliteHelper
 {
     protected static $temp_name;
 
@@ -20,7 +20,7 @@ public static function connectionCount()
     {
         $path = self::$temp_name;
         $count = shell_exec("lsof -w {$path} | grep {$path} | wc -l");
-        return (int)$count;
+        return (int) $count;
     }
 
     public static function debug()
@@ -30,5 +30,4 @@ public static function debug()
         codecept_debug("Executing : $cmd");
         codecept_debug(shell_exec($cmd));
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnectionsNoCleanup/config.php b/tests/cases/closeConnectionsNoCleanup/config.php
index 99e2245..7c85f5f 100644
--- a/tests/cases/closeConnectionsNoCleanup/config.php
+++ b/tests/cases/closeConnectionsNoCleanup/config.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 return [
     'id' => 'Simple',
     'basePath' => __DIR__,
@@ -9,4 +12,4 @@
             'dsn' => 'sqlite:' . \tests\helpers\SqlliteHelper::getTmpFile(),
         ],
     ],
-];
\ No newline at end of file
+];
diff --git a/tests/cases/closeConnectionsNoCleanup/functional/FixturesCest.php b/tests/cases/closeConnectionsNoCleanup/functional/FixturesCest.php
index 92a5016..f9d9676 100644
--- a/tests/cases/closeConnectionsNoCleanup/functional/FixturesCest.php
+++ b/tests/cases/closeConnectionsNoCleanup/functional/FixturesCest.php
@@ -4,11 +4,11 @@
 
 namespace tests\closeConnectionsNoCleanup;
 
-use tests\FunctionalTester;
 use tests\fixtures\EmptyFixture;
+use tests\FunctionalTester;
 use tests\helpers\SqlliteHelper;
 
-class FixturesCest
+final class FixturesCest
 {
     public function _fixtures()
     {
@@ -36,5 +36,4 @@ public function NoConnections3(FunctionalTester $I)
         $count = SqlliteHelper::connectionCount();
         $I->assertSame(0, $count);
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnectionsNoCleanup/functional/FixturesInBeforeCest.php b/tests/cases/closeConnectionsNoCleanup/functional/FixturesInBeforeCest.php
index bdf0241..0329642 100644
--- a/tests/cases/closeConnectionsNoCleanup/functional/FixturesInBeforeCest.php
+++ b/tests/cases/closeConnectionsNoCleanup/functional/FixturesInBeforeCest.php
@@ -4,11 +4,11 @@
 
 namespace tests\closeConnectionsNoCleanup;
 
-use tests\FunctionalTester;
 use tests\fixtures\EmptyFixture;
+use tests\FunctionalTester;
 use tests\helpers\SqlliteHelper;
 
-class FixturesInBeforeCest
+final class FixturesInBeforeCest
 {
     public function _before(FunctionalTester $I)
     {
@@ -36,4 +36,4 @@ public function OnlyOneConnection3(FunctionalTester $I)
         $count = SqlliteHelper::connectionCount();
         $I->assertSame(1, $count);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/closeConnectionsNoCleanup/functional/ThirdCest.php b/tests/cases/closeConnectionsNoCleanup/functional/ThirdCest.php
index 1a9caa2..1df7ee1 100644
--- a/tests/cases/closeConnectionsNoCleanup/functional/ThirdCest.php
+++ b/tests/cases/closeConnectionsNoCleanup/functional/ThirdCest.php
@@ -4,11 +4,11 @@
 
 namespace tests\closeConnectionsNoCleanup;
 
-use tests\FunctionalTester;
 use tests\fixtures\EmptyFixture;
+use tests\FunctionalTester;
 use tests\helpers\SqlliteHelper;
 
-class ThirdCest
+final class ThirdCest
 {
     public function NoConnections1(FunctionalTester $I)
     {
@@ -39,4 +39,4 @@ public function OnlyOneConnection3(FunctionalTester $I)
         $count = SqlliteHelper::connectionCount();
         $I->assertSame(1, $count);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/events/config.php b/tests/cases/events/config.php
index 09869fd..31dce8c 100644
--- a/tests/cases/events/config.php
+++ b/tests/cases/events/config.php
@@ -1,22 +1,25 @@
 <?php
+
+declare(strict_types=1);
+
 return [
     'id' => 'Response Events',
     'basePath' => __DIR__,
     'bootstrap' => [
-        function(\yii\web\Application $application) {
-            $application->response->on(\yii\web\Response::EVENT_BEFORE_SEND, function($event) use ($application) {
+        function (\yii\web\Application $application) {
+            $application->response->on(\yii\web\Response::EVENT_BEFORE_SEND, function ($event) use ($application) {
                 $application->trigger('responseBeforeSendBootstrap');
             });
-        }
+        },
     ],
     'components' => [
         'request' => [
-            'cookieValidationKey' => 'secret'
+            'cookieValidationKey' => 'secret',
         ],
         'response' => [
-            'on beforeSend' => function() {
+            'on beforeSend' => function () {
                 \Yii::$app->trigger('responseBeforeSendConfig');
-            }
-        ]
-    ]
-];
\ No newline at end of file
+            },
+        ],
+    ],
+];
diff --git a/tests/cases/events/controllers/SiteController.php b/tests/cases/events/controllers/SiteController.php
index 9c640e7..02ef1a7 100644
--- a/tests/cases/events/controllers/SiteController.php
+++ b/tests/cases/events/controllers/SiteController.php
@@ -3,13 +3,12 @@
 declare(strict_types=1);
 
 namespace app\controllers;
+
 use yii\web\Controller;
 
-class SiteController extends Controller
+final class SiteController extends Controller
 {
-
     public function actionIndex()
     {
-
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/events/functional/ResponseCest.php b/tests/cases/events/functional/ResponseCest.php
index 360b888..37176f9 100644
--- a/tests/cases/events/functional/ResponseCest.php
+++ b/tests/cases/events/functional/ResponseCest.php
@@ -7,16 +7,15 @@
 use Codeception\Lib\Connector\Yii2;
 use yii\base\Event;
 
-class ResponseCest
+final class ResponseCest
 {
-
     public function testAfterSend(FunctionalTester $I)
     {
         $sources = [];
-        \Yii::$app->on('responseBeforeSendConfig', function(Event $event) use (&$sources) {
+        \Yii::$app->on('responseBeforeSendConfig', function (Event $event) use (&$sources) {
             $sources[] = 'config';
         });
-        \Yii::$app->on('responseBeforeSendBootstrap', function(Event $event) use (&$sources) {
+        \Yii::$app->on('responseBeforeSendBootstrap', function (Event $event) use (&$sources) {
             $sources[] = 'bootstrap';
         });
         $I->assertEmpty($sources);
@@ -32,14 +31,14 @@ public function testAfterSend(FunctionalTester $I)
     public function testAfterSendWithRecreate(FunctionalTester $I, \Codeception\Module\Yii2 $module)
     {
         $module->_reconfigure([
-            'responseCleanMethod' => Yii2::CLEAN_RECREATE
+            'responseCleanMethod' => Yii2::CLEAN_RECREATE,
         ]);
         $module->client->startApp();
         $sources = [];
-        \Yii::$app->on('responseBeforeSendConfig', function(Event $event) use (&$sources) {
+        \Yii::$app->on('responseBeforeSendConfig', function (Event $event) use (&$sources) {
             $sources[] = 'config';
         });
-        \Yii::$app->on('responseBeforeSendBootstrap', function(Event $event) use (&$sources) {
+        \Yii::$app->on('responseBeforeSendBootstrap', function (Event $event) use (&$sources) {
             $sources[] = 'bootstrap';
         });
         $I->assertEmpty($sources);
@@ -57,14 +56,14 @@ public function testAfterSendWithRecreate(FunctionalTester $I, \Codeception\Modu
     public function testAfterSendWithForcedRecreate(FunctionalTester $I, \Codeception\Module\Yii2 $module)
     {
         $module->_reconfigure([
-            'responseCleanMethod' => Yii2::CLEAN_FORCE_RECREATE
+            'responseCleanMethod' => Yii2::CLEAN_FORCE_RECREATE,
         ]);
         $module->client->startApp();
         $sources = [];
-        \Yii::$app->on('responseBeforeSendConfig', function(Event $event) use (&$sources) {
+        \Yii::$app->on('responseBeforeSendConfig', function (Event $event) use (&$sources) {
             $sources[] = 'config';
         });
-        \Yii::$app->on('responseBeforeSendBootstrap', function(Event $event) use (&$sources) {
+        \Yii::$app->on('responseBeforeSendBootstrap', function (Event $event) use (&$sources) {
             $sources[] = 'bootstrap';
         });
 
@@ -83,4 +82,4 @@ public function testAfterSendWithForcedRecreate(FunctionalTester $I, \Codeceptio
         $I->assertSame(['config'], $sources);
 
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/locale-urls/codeception.yml b/tests/cases/locale-urls/codeception.yml
deleted file mode 100644
index 6c75eef..0000000
--- a/tests/cases/locale-urls/codeception.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-paths:
-    tests: .
-    output: ../../_output
-    data: _data
-    support: ../../_support
-namespace: tests\
-extensions:
-    enabled:
-        - Codeception\Extension\RunFailed
-modules:
-  config:
-    Yii2:
-      configFile: config.php
-      transaction: true
-      cleanup: true
\ No newline at end of file
diff --git a/tests/cases/locale-urls/config.php b/tests/cases/locale-urls/config.php
deleted file mode 100644
index 101c377..0000000
--- a/tests/cases/locale-urls/config.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-use codemix\localeurls\UrlManager;
-
-return [
-    'id' => 'Simple',
-    'basePath' => __DIR__,
-    'controllerNamespace' => 'app\localeurls\controllers',
-    'components' => [
-        'request' => [
-            'enableCsrfValidation' => false,
-            'cookieValidationKey' => 'test'
-        ],
-        'urlManager' => [
-            'class' => UrlManager::class,
-            'enablePrettyUrl' => true,
-            'showScriptName' => false,
-            'enableLanguagePersistence' => false,
-            'enableLocaleUrls' => true,
-            'languages' => ['nl', 'en']
-        ]
-    ],
-    'on beforeRequest' => function(\yii\base\Event $event) {
-        $app = $event->sender;
-        if ($app->has('urlManager', true)) {
-            $config = $app->getComponents()['urlManager'];
-            \Codeception\Util\Debug::debug('Resetting url manager: ' . print_r($config, true));
-            $app->set('urlManager', $config);
-        }
-    }
-];
\ No newline at end of file
diff --git a/tests/cases/locale-urls/controllers/SiteController.php b/tests/cases/locale-urls/controllers/SiteController.php
deleted file mode 100644
index c26c1bf..0000000
--- a/tests/cases/locale-urls/controllers/SiteController.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace app\localeurls\controllers;
-use yii\helpers\Url;
-use yii\web\Controller;
-
-class SiteController extends Controller
-{
-
-    public function actionForm()
-    {
-        $action = Url::to(['site/post']);
-        return <<<HTML
-<html>
-<body>
-<form method="post" action="$action">
-<input name="test" type="text" id="test">
-<input type="submit" id="submit">Submit</input>
-</form>
-</body>
-</html>
-
-
-HTML;
-
-    }
-
-    public function actionPost()
-    {
-        \Yii::$app->response->statusCode = 201;
-        return print_r(\Yii::$app->request->bodyParams, true);
-    }
-}
\ No newline at end of file
diff --git a/tests/cases/locale-urls/functional.suite.yml b/tests/cases/locale-urls/functional.suite.yml
deleted file mode 100644
index 754807a..0000000
--- a/tests/cases/locale-urls/functional.suite.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-# Codeception Test Suite Configuration
-#
-# Suite for functional tests
-# Emulate web requests and make application process them
-# Include one of framework modules (Symfony2, Yii2, Laravel5) to use it
-# Remove this suite if you don't use frameworks
-actor: FunctionalTester
-modules:
-  enabled:
-    - Yii2
-    - Asserts
-steps:
-    - Codeception\Step\ConditionalAssertion
diff --git a/tests/cases/locale-urls/functional/LocaleUrlCest.php b/tests/cases/locale-urls/functional/LocaleUrlCest.php
deleted file mode 100644
index 96c431a..0000000
--- a/tests/cases/locale-urls/functional/LocaleUrlCest.php
+++ /dev/null
@@ -1,43 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace tests;
-
-use yii\web\Application;
-
-class LocaleUrlCest
-{
-
-    public function testInstantiation(FunctionalTester $I)
-    {
-        $I->assertInstanceOf(Application::class, \Yii::$app);
-    }
-
-    public function testMultipleGet(FunctionalTester $I)
-    {
-        $I->amOnRoute('/en/site/form');
-        $I->amOnRoute('/en/site/form');
-    }
-    public function testFormSubmit(FunctionalTester $I)
-    {
-        $I->amOnRoute('site/form');
-        $I->seeResponseCodeIs(200);
-
-        $I->fillField('#test', 'test');
-        $I->click('#submit');
-        $I->canSeeResponseCodeIs(201);
-    }
-
-    public function testFormSubmit2(FunctionalTester $I)
-    {
-        $I->amOnRoute('/en/site/form');
-        $I->seeResponseCodeIs(200);
-        $I->submitForm('form', [
-            'login-form[login]' => 'user',
-            'login-form[password]' => 'test',
-        ]);
-        $I->canSeeResponseCodeIs(201);
-    }
-
-}
diff --git a/tests/cases/mock-mailer/config.php b/tests/cases/mock-mailer/config.php
index 5b33dcc..a883b5f 100644
--- a/tests/cases/mock-mailer/config.php
+++ b/tests/cases/mock-mailer/config.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 return [
     'id' => 'Simple',
     'basePath' => __DIR__,
@@ -6,7 +9,7 @@
     'components' => [
         'request' => [
             'enableCsrfValidation' => false,
-            'cookieValidationKey' => 'test'
+            'cookieValidationKey' => 'test',
         ],
         'mailer' => [
             'class' => 'yii\symfonymailer\Mailer',
diff --git a/tests/cases/pageCacheHeaderAlreadySent/config.php b/tests/cases/pageCacheHeaderAlreadySent/config.php
index b65fa02..830ecd1 100644
--- a/tests/cases/pageCacheHeaderAlreadySent/config.php
+++ b/tests/cases/pageCacheHeaderAlreadySent/config.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 return [
     'id' => 'PageCache',
     'basePath' => __DIR__,
diff --git a/tests/cases/pageCacheHeaderAlreadySent/controllers/UserController.php b/tests/cases/pageCacheHeaderAlreadySent/controllers/UserController.php
index 35195eb..a9ea0f6 100644
--- a/tests/cases/pageCacheHeaderAlreadySent/controllers/UserController.php
+++ b/tests/cases/pageCacheHeaderAlreadySent/controllers/UserController.php
@@ -6,14 +6,14 @@
 
 use yii\filters\PageCache;
 
-class UserController extends \yii\web\Controller
+final class UserController extends \yii\web\Controller
 {
     public function behaviors()
     {
         return [
             'cache' => [
-                'class' => PageCache::class
-            ]
+                'class' => PageCache::class,
+            ],
         ];
     }
 
diff --git a/tests/cases/pageCacheHeaderAlreadySent/functional/PageCest.php b/tests/cases/pageCacheHeaderAlreadySent/functional/PageCest.php
index dda305f..4fb68b6 100644
--- a/tests/cases/pageCacheHeaderAlreadySent/functional/PageCest.php
+++ b/tests/cases/pageCacheHeaderAlreadySent/functional/PageCest.php
@@ -2,8 +2,8 @@
 
 declare(strict_types=1);
 
-class PageCest {
-
+final class PageCest
+{
     public function testCache(\tests\FunctionalTester $I)
     {
         $I->amOnRoute('user/index');
@@ -12,4 +12,4 @@ public function testCache(\tests\FunctionalTester $I)
         $I->amOnRoute('user/index');
         $I->canSeeResponseCodeIs(200);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/simple/config.php b/tests/cases/simple/config.php
index 2e11ee3..1c293dd 100644
--- a/tests/cases/simple/config.php
+++ b/tests/cases/simple/config.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 use app\simple\helpers\DummyUser;
 
 return [
@@ -9,15 +11,15 @@
     'components' => [
         'request' => [
             'enableCsrfValidation' => false,
-            'cookieValidationKey' => 'test'
+            'cookieValidationKey' => 'test',
         ],
         'user' => [
-            'identityClass' => DummyUser::class
-        ]
+            'identityClass' => DummyUser::class,
+        ],
     ],
-    'on beforeRequest' => function() {
+    'on beforeRequest' => function () {
         if (isset(\Yii::$app->params['throw'])) {
             throw \Yii::$app->params['throw'];
         }
-    }
-];
\ No newline at end of file
+    },
+];
diff --git a/tests/cases/simple/controllers/SiteController.php b/tests/cases/simple/controllers/SiteController.php
index c8c02ef..cca2620 100644
--- a/tests/cases/simple/controllers/SiteController.php
+++ b/tests/cases/simple/controllers/SiteController.php
@@ -3,14 +3,14 @@
 declare(strict_types=1);
 
 namespace app\simple\controllers;
+
 use app\simple\helpers\EmptyString;
 use yii\base\Action;
 use yii\helpers\Url;
 use yii\web\Controller;
 
-class SiteController extends Controller
+final class SiteController extends Controller
 {
-
     public function actionForm()
     {
         $action = Url::to(['site/post']);
@@ -46,13 +46,12 @@ public function actionEnd()
         \Yii::$app->end();
     }
 
-
     /**
      * @param Action $action
      * @return bool
      * @throws \yii\web\BadRequestHttpException
      */
-    public function  beforeAction($action)
+    public function beforeAction($action)
     {
         if ($action->id === 'empty-response') {
             \Yii::$app->response->stream = fopen('php://memory', 'r+');
@@ -71,4 +70,4 @@ public function actionIndex()
     {
         return '';
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/simple/functional/SimpleCest.php b/tests/cases/simple/functional/SimpleCest.php
index 7306fd7..16e78fd 100644
--- a/tests/cases/simple/functional/SimpleCest.php
+++ b/tests/cases/simple/functional/SimpleCest.php
@@ -5,12 +5,10 @@
 namespace tests;
 
 use Codeception\Exception\ModuleException;
-use yii\base\ExitException;
 use yii\web\Application;
 
-class SimpleCest
+final class SimpleCest
 {
-
     public function testInstantiation(FunctionalTester $I)
     {
         $I->assertInstanceOf(Application::class, \Yii::$app);
@@ -38,7 +36,7 @@ public function testFormSubmit2(FunctionalTester $I)
 
     public function testException(FunctionalTester $I)
     {
-        $I->expectThrowable(new \Exception('This is not an HttpException'), function() use ($I) {
+        $I->expectThrowable(new \Exception('This is not an HttpException'), function () use ($I) {
             $I->amOnRoute('/site/exception');
         });
         $I->assertInstanceOf(Application::class, \Yii::$app);
@@ -48,7 +46,7 @@ public function testExceptionInBeforeRequest(FunctionalTester $I)
     {
         $e = new \Exception('This is not an HttpException');
         \Yii::$app->params['throw'] = $e;
-        $I->expectThrowable($e, function() use ($I) {
+        $I->expectThrowable($e, function () use ($I) {
             $I->amOnRoute('/site/exception');
         });
     }
@@ -67,7 +65,7 @@ public function testEmptyResponse(FunctionalTester $I)
 
     public function testMissingUser(FunctionalTester $I)
     {
-        $I->expectThrowable(ModuleException::class, function() use ($I) {
+        $I->expectThrowable(ModuleException::class, function () use ($I) {
             $I->amLoggedInAs('nobody');
         });
         $I->amOnRoute('/site/index');
diff --git a/tests/cases/simple/helpers/DummyUser.php b/tests/cases/simple/helpers/DummyUser.php
index 8b00bd1..c7ec457 100644
--- a/tests/cases/simple/helpers/DummyUser.php
+++ b/tests/cases/simple/helpers/DummyUser.php
@@ -4,12 +4,10 @@
 
 namespace app\simple\helpers;
 
-
 use yii\web\IdentityInterface;
 
-class DummyUser implements IdentityInterface
+final class DummyUser implements IdentityInterface
 {
-
     /**
      * Finds an identity by the given ID.
      * @param string|int $id the ID to be looked for
@@ -20,7 +18,7 @@ class DummyUser implements IdentityInterface
     public static function findIdentity($id)
     {
         return null;
-        // TODO: Implement findIdentity() method.
+
     }
 
     /**
@@ -34,7 +32,7 @@ public static function findIdentity($id)
      */
     public static function findIdentityByAccessToken($token, $type = null)
     {
-        // TODO: Implement findIdentityByAccessToken() method.
+
     }
 
     /**
@@ -43,7 +41,7 @@ public static function findIdentityByAccessToken($token, $type = null)
      */
     public function getId()
     {
-        // TODO: Implement getId() method.
+
     }
 
     /**
@@ -60,7 +58,7 @@ public function getId()
      */
     public function getAuthKey()
     {
-        // TODO: Implement getAuthKey() method.
+
     }
 
     /**
@@ -73,6 +71,6 @@ public function getAuthKey()
      */
     public function validateAuthKey($authKey)
     {
-        // TODO: Implement validateAuthKey() method.
+
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/simple/helpers/EmptyString.php b/tests/cases/simple/helpers/EmptyString.php
index feeb241..c5792e8 100644
--- a/tests/cases/simple/helpers/EmptyString.php
+++ b/tests/cases/simple/helpers/EmptyString.php
@@ -7,7 +7,7 @@
 /**
  * Class that is empty when converted to string
  */
-class EmptyString
+final class EmptyString
 {
     private $value;
 
@@ -25,4 +25,4 @@ public function __toString()
     {
         return '';
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/sqlite/config.php b/tests/cases/sqlite/config.php
index e20ed92..0fc2b1b 100644
--- a/tests/cases/sqlite/config.php
+++ b/tests/cases/sqlite/config.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 return [
     'id' => 'Simple',
     'basePath' => __DIR__,
@@ -6,19 +9,19 @@
     'components' => [
         'db' => [
             'class' => yii\db\Connection::class,
-            'dsn' => 'sqlite:' . tempnam(null, '/file0')
+            'dsn' => 'sqlite:' . tempnam('', '/file0'),
         ],
         'db1' => [
             'class' => yii\db\Connection::class,
-            'dsn' => 'sqlite:' . tempnam(null, '/file1')
+            'dsn' => 'sqlite:' . tempnam('', '/file1'),
         ],
         'db21' => [
             'class' => yii\db\Connection::class,
-            'dsn' => 'sqlite:' . ($name = tempnam(null, '/file2'))
+            'dsn' => 'sqlite:' . ($name = tempnam('', '/file2')),
         ],
         'db22' => [
             'class' => yii\db\Connection::class,
-            'dsn' => 'sqlite:' . $name
-        ]
-    ]
-];
\ No newline at end of file
+            'dsn' => 'sqlite:' . $name,
+        ],
+    ],
+];
diff --git a/tests/cases/sqlite/fixtures/TestFixture.php b/tests/cases/sqlite/fixtures/TestFixture.php
index 04c66a9..dd32324 100644
--- a/tests/cases/sqlite/fixtures/TestFixture.php
+++ b/tests/cases/sqlite/fixtures/TestFixture.php
@@ -4,22 +4,22 @@
 
 namespace tests\fixtures;
 
-
 use yii\db\Connection;
-use yii\db\Exception;
 use yii\test\DbFixture;
 
-class TestFixture extends DbFixture
+final class TestFixture extends DbFixture
 {
     public $tableName = 'test';
+
     public $tableConfig = [
-        'id' => 'int'
+        'id' => 'int',
     ];
 
     public $dbComponents = [];
 
-    public function load() {
-        foreach($this->dbComponents as $name) {
+    public function load()
+    {
+        foreach ($this->dbComponents as $name) {
             /** @var Connection $connection */
             $connection = \Yii::$app->get($name);
             $connection->createCommand()->createTable($this->tableName, $this->tableConfig)->execute();
@@ -28,12 +28,12 @@ public function load() {
 
     public function unload()
     {
-        foreach($this->dbComponents as $name) {
+        foreach ($this->dbComponents as $name) {
             /** @var Connection $connection */
             $connection = \Yii::$app->get($name);
-            if (in_array($this->tableName, $connection->getSchema()->getTableNames('', true))) {
+            if (in_array($this->tableName, $connection->getSchema()->getTableNames('', true), true)) {
                 $connection->createCommand()->dropTable($this->tableName)->execute();
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cases/sqlite/functional/SqLiteCest.php b/tests/cases/sqlite/functional/SqLiteCest.php
index ea3b4c7..05fa0f7 100644
--- a/tests/cases/sqlite/functional/SqLiteCest.php
+++ b/tests/cases/sqlite/functional/SqLiteCest.php
@@ -7,7 +7,7 @@
 use tests\fixtures\TestFixture;
 use yii\db\Connection;
 
-class SqLiteCest
+final class SqLiteCest
 {
     /**
      * This is called before the database transaction is started.
@@ -17,7 +17,7 @@ public function _fixtures()
         return [
             [
                 'class' => TestFixture::class,
-                'dbComponents' => ['db1', 'db21']
+                'dbComponents' => ['db1', 'db21'],
             ],
         ];
     }
diff --git a/tests/cases/yii2-app-advanced/config.php b/tests/cases/yii2-app-advanced/config.php
index 82c61da..72ebe3e 100644
--- a/tests/cases/yii2-app-advanced/config.php
+++ b/tests/cases/yii2-app-advanced/config.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 file_put_contents(__DIR__ . '/../../../vendor/yiisoft/yii2-app-advanced/common/config/params-local.php', '<?php return [];');
 file_put_contents(__DIR__ . '/../../../vendor/yiisoft/yii2-app-advanced/frontend/config/params-local.php', '<?php return [];');
 
@@ -10,13 +12,13 @@
     'components' => [
         'db' => [
             'class' => yii\db\Connection::class,
-            'dsn' => 'sqlite:' . codecept_output_dir('/db.sqlite')
+            'dsn' => 'sqlite:' . codecept_output_dir('/db.sqlite'),
         ],
         'request' => [
-            'cookieValidationKey' => 'test'
+            'cookieValidationKey' => 'test',
         ],
         'assetManager' => [
-            'basePath' => sys_get_temp_dir()
+            'basePath' => sys_get_temp_dir(),
         ],
         'mailer' => [
             'viewPath' => '@common/mail',
@@ -24,9 +26,9 @@
     ],
     'aliases' => [
         '@bower' => '@vendor/bower-asset',
-        '@npm' => '@vendor/npm-asset'
+        '@npm' => '@vendor/npm-asset',
     ],
-    'vendorPath' => __DIR__ . '/../../../vendor'
+    'vendorPath' => __DIR__ . '/../../../vendor',
 ]);
 
-return $config;
\ No newline at end of file
+return $config;
diff --git a/tests/cases/yii2-app-advanced/migrate.php b/tests/cases/yii2-app-advanced/migrate.php
index a910536..964b72f 100644
--- a/tests/cases/yii2-app-advanced/migrate.php
+++ b/tests/cases/yii2-app-advanced/migrate.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 file_put_contents(__DIR__ . '/../../../vendor/yiisoft/yii2-app-advanced/common/config/params-local.php', '<?php return [];');
 file_put_contents(__DIR__ . '/../../../vendor/yiisoft/yii2-app-advanced/console/config/params-local.php', '<?php return [];');
 
@@ -8,10 +10,10 @@
     'components' => [
         'db' => [
             'class' => yii\db\Connection::class,
-	    'dsn' => 'sqlite:' . __DIR__ . '/_data/db.sqlite'
-	],
+            'dsn' => 'sqlite:' . __DIR__ . '/_data/db.sqlite',
+        ],
     ],
-    'vendorPath' => __DIR__ . '/../../../vendor'
+    'vendorPath' => __DIR__ . '/../../../vendor',
 ]);
 
 return $config;