yiisoft · samdark · May 8, 2026 · May 8, 2026
diff --git a/src/.vitepress/config.js b/src/.vitepress/config.js
@@ -125,6 +125,8 @@ export default {
                         {
                             text: 'Working with Databases',
                             items: [
+                                {text: 'Yii DB', link: 'https://github.com/yiisoft/db/blob/master/docs/guide/en/README.md'},
+                                {text: 'Active Record', link: 'https://github.com/yiisoft/active-record/blob/master/README.md'},
                                 {text: 'Database Migrations', link: '/guide/databases/db-migrations'}
                             ]
                         },
@@ -139,6 +141,17 @@ export default {
                                 {text: 'Widgets', link: '/guide/views/widget'}
                             ]
                         },
+                        {
+                            text: 'Testing',
+                            items: [
+                                {text: 'Testing Overview', link: '/guide/testing/overview'},
+                                {text: 'Testing Environment Setup', link: '/guide/testing/environment-setup'},
+                                {text: 'Unit Tests', link: '/guide/testing/unit'},
+                                {text: 'Functional Tests', link: '/guide/testing/functional'},
+                                {text: 'End-to-End Tests', link: '/guide/testing/end-to-end'},
+                                {text: 'Static Analysis and Mutation Testing', link: '/guide/testing/quality-tools'}
+                            ]
+                        },
                         {
                             text: 'Tutorial',
                             items: [
@@ -152,6 +165,18 @@ export default {
                                 {text: 'Docker in Application Templates', link: '/guide/tutorial/docker'}
                             ]
                         },
+                        {
+                            text: 'Helpers',
+                            items: [
+                                {text: 'Arrays', link: 'https://github.com/yiisoft/arrays/'},
+                                {text: 'Files', link: 'https://github.com/yiisoft/files/'},
+                                {text: 'Html', link: 'https://github.com/yiisoft/html/'},
+                                {text: 'Json', link: 'https://github.com/yiisoft/json'},
+                                {text: 'Network Utilities', link: 'https://github.com/yiisoft/network-utilities/'},
+                                {text: 'VarDumper', link: 'https://github.com/yiisoft/var-dumper'},
+                                {text: 'Strings', link: 'https://github.com/yiisoft/strings'}
+                            ]
+                        },
                         {
                             text: 'Glossary',
                             link: '/guide/glossary'
@@ -166,7 +191,8 @@ export default {
                                 {text: 'Disabling CSRF Protection', link: '/cookbook/disabling-csrf-protection'},
                                 {text: 'Sentry Integration', link: '/cookbook/sentry-integration'},
                                 {text: 'Working on Windows', link: '/cookbook/working-on-windows'},
-                                {text: 'Opening Files in PhpStorm', link: '/cookbook/opening-files-in-phpstorm'}
+                                {text: 'Opening Files in PhpStorm', link: '/cookbook/opening-files-in-phpstorm'},
+                                {text: 'Configuring Xdebug', link: '/cookbook/configuring-xdebug'}
                             ]
                         },
                         {

diff --git a/src/cookbook/index.md b/src/cookbook/index.md
@@ -13,12 +13,12 @@ This book conforms to the [Terms of Yii Documentation](https://www.yiiframework.
 ---
 
 - [Preface](preface.md)
-- [Structuring code by use-case with vertical slices](organizing-code/structuring-by-use-case-with-vertical-slices.md)
 - [Making HTTP requests](making-http-requests.md)
 - [Disabling CSRF protection](disabling-csrf-protection.md)
 - [Sentry integration](sentry-integration.md)
 - [Working on Windows](working-on-windows.md)
 - [Opening files directly in PhpStorm](opening-files-in-phpstorm.md)
 - [Configuring Xdebug](configuring-xdebug.md)
 - [Configuring webservers](configuring-webservers/general.md)
+- [Structuring code by use-case with vertical slices](organizing-code/structuring-by-use-case-with-vertical-slices.md)
 - [Deploying to Docker Swarm](deployment/docker-swarm.md)
diff --git a/src/guide/index.md b/src/guide/index.md
@@ -11,33 +11,34 @@ We release this guide under the [Terms of Yii Documentation](https://www.yiifram
 
 - [What do you need to know?](start/prerequisites.md)
 - [Creating a project](start/creating-project.md)
-- [Running applications](start/workflow.md)
+- [Application Workflow](start/workflow.md)
 - [Saying hello](start/hello.md)
 - [Working with forms](start/forms.md)
 - [Working with databases](start/databases.md)
 - [Generating code with Gii](start/gii.md) TODO
 - [Looking ahead](start/looking-ahead.md)
+- [Demo applications](start/demo-apps.md)
+
+## Key concepts
+
+- [Aliases](concept/aliases.md)
+- [Autoloading](concept/autoloading.md)
+- [Configuration](concept/configuration.md)
+- [Dependency injection container](concept/di-container.md)
+- [Events](concept/events.md)
+- [Immutability](concept/immutability.md)
 
 ## Application structure
 
 - [Application structure overview](structure/overview.md)
 - [Entry scripts](structure/entry-script.md)
 - [Application](structure/application.md)
-- [Service components](structure/service.md)
 - [Actions](structure/action.md)
-- [Domain](structure/domain.md)
 - [Middleware](structure/middleware.md)
+- [Domain](structure/domain.md)
+- [Service components](structure/service.md)
 - [Packages](structure/package.md)
 
-## Key concepts
-
-- [Class autoloading](concept/autoloading.md)
-- [Dependency injection container](concept/di-container.md)
-- [Configuration](concept/configuration.md)
-- [Aliases](concept/aliases.md)
-- [Events](concept/events.md)
-- [Immutability](concept/immutability.md)
-
 ## Handling requests
 
 - [Routing and URL generation](runtime/routing.md)
@@ -48,21 +49,39 @@ We release this guide under the [Terms of Yii Documentation](https://www.yiifram
 - [Handling errors](runtime/handling-errors.md)
 - [Logging](runtime/logging.md)
 
-## Views
+## Security
 
-- [View](views/view.md)
-- [Template engines](views/template-engines.md) TODO: verify!
-- [View injections](views/view-injections.md)
-- [Scripts, styles and metatags](views/script-style-meta.md) TODO: verify!
-- [Assets](views/asset.md) TODO: verify!
-- [Widgets](views/widget.md) TODO: verify!
+- [Security overview](security/overview.md)
+- [Authentication](security/authentication.md)
+- [Authorization](security/authorization.md) TODO: verify and complete!
+- [Working with passwords](security/passwords.md)
+- [Cryptography](security/cryptography.md)
+- [Trusted request](security/trusted-request.md)
+- [Best practices](security/best-practices.md)
+
+## Caching
+
+- [Caching overview](caching/overview.md)
+- [Data caching](caching/data.md)
+- [Fragment caching](caching/fragment.md) TODO
+- [Page caching](caching/page.md) TODO
+- [HTTP caching](caching/http.md) TODO
 
 ## Working with databases
 
 - [Yii DB](https://github.com/yiisoft/db/blob/master/docs/guide/en/README.md)
 - [Active Record](https://github.com/yiisoft/active-record/blob/master/README.md)
 - [Migrations](databases/db-migrations.md) TODO: verify/update!
 
+## Views
+
+- [View](views/view.md)
+- [Assets](views/asset.md) TODO: verify!
+- [Scripts, styles and metatags](views/script-style-meta.md) TODO: verify!
+- [Template engines](views/template-engines.md) TODO: verify!
+- [View injections](views/view-injections.md)
+- [Widgets](views/widget.md) TODO: verify!
+
 ## Getting data from users
 
 - [Creating forms](input/forms.md) TODO
@@ -78,25 +97,6 @@ We release this guide under the [Terms of Yii Documentation](https://www.yiifram
 - [Data providers](output/data-providers.md) TODO
 - [Data widgets](output/data-widgets.md) TODO
 
-## Security
-
-- [Security overview](security/overview.md)
-- [Authentication](security/authentication.md)
-- [Authorization](security/authorization.md) TODO: verify and complete!
-- [Working with passwords](security/passwords.md)
-- [Cryptography](security/cryptography.md)
-- [Best practices](security/best-practices.md)
-
-
-## Caching
-
-- [Caching overview](caching/overview.md)
-- [Data caching](caching/data.md)
-- [Fragment caching](caching/fragment.md) TODO
-- [Page caching](caching/page.md) TODO
-- [HTTP caching](caching/http.md) TODO
-
-
 ## REST APIs
 
 - [Quick start](rest/quick-start.md) TODO
@@ -128,14 +128,14 @@ We release this guide under the [Terms of Yii Documentation](https://www.yiifram
 ## Special topics
 
 - [Console applications](tutorial/console-applications.md)
-- [Docker in application templates](tutorial/docker.md)
-- [Internationalization](tutorial/i18n.md) TODO
 - [Mailing](tutorial/mailing.md)
 - [Performance tuning](tutorial/performance-tuning.md)
 - [Using Yii with event loop](tutorial/using-with-event-loop.md)
 - [Using Yii with FrankenPHP](tutorial/using-yii-with-frankenphp.md)
 - [Using Yii with RoadRunner](tutorial/using-yii-with-roadrunner.md)
 - [Using Yii with Swoole](tutorial/using-yii-with-swoole.md)
+- [Docker in application templates](tutorial/docker.md)
+- [Internationalization](tutorial/i18n.md) TODO
 
 ## Helpers
 

diff --git a/src/guide/start/workflow.md b/src/guide/start/workflow.md
@@ -1,4 +1,4 @@
-# Running applications
+# Application Workflow
 
 After installing Yii, you have a working Yii application.
 This section introduces the application's built-in functionality,