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Yii3
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About
Yii2
Introduction
What's new in Yii 22.0
About Yii
Upgrading from Yii 2.0
Skill: Upgrade to Yii 22.0
Upgrading from Version 1.1
Getting Started
What do you need to know
Installing Yii
Skill: Application setup
Running Applications
Saying Hello
Working with Forms
Working with Databases
Generating Code with Gii
Looking Ahead
Application Structure
Overview
Entry Scripts
Applications
Application Components
Controllers
Standalone Actions
Models
Views
Modules
Filters
Widgets
Assets
Skill: Views and assets
Extensions
Handling Requests
Overview
Bootstrapping
Routing and URL Creation
Skill: Routing and actions
Requests
Responses
Sessions and Cookies
Skill: Sessions and cookies
Handling Errors
Logging
Skill: Logging and errors
Key Concepts
Components
Properties
Events
Behaviors
Skill: Events and behaviors
Configurations
Aliases
Class Autoloading
Service Locator
Dependency Injection Container
Skill: Autoloading and DI
Working with Databases
Database Access Objects
Query Builder
Active Record
Migrations
Skill: Queries and migrations
Getting Data from Users
Creating Forms
Validating Input
Skill: Forms and validation
Uploading Files
Skill: Files and uploads
Collecting Tabular Input
Getting Data for Multiple Models
Extending ActiveForm on the Client Side
Displaying Data
Data Formatting
Pagination
Sorting
Data Providers
Data Widgets
Skill: Data widgets
Working with Client Scripts
Theming
Security
Overview
Authentication
Authorization
Skill: Identity and access
Working with Passwords
Cryptography
Best Practices
Caching
Overview
Data Caching
Skill: Caching
Fragment Caching
Page Caching
HTTP Caching
RESTful Web Services
Quick Start
Skill: REST APIs
Resources
Controllers
Filtering Collections
Routing
Response Formatting
Authentication
Rate Limiting
Versioning
Error Handling
Testing
Overview
Testing environment setup
Unit Tests
Functional Tests
Acceptance Tests
Fixtures
Skill: Tests and fixtures
Special Topics
Building Application from Scratch
Console Commands
Skill: Console commands
Core Validators
Docker
Internationalization
Skill: Translation and formatting
Mailing
Skill: Mail
Performance Tuning
Skill: Mutex coordination
Shared Hosting Environment
Template Engines
Working with Third-Party Code
Using Yii as a micro framework
Helpers
Overview
ArrayHelper
Html
Json
Url
Glossary
Glossary
API reference
Overview
Global namespace
yii
yii\base
yii\behaviors
yii\caching
yii\captcha
yii\console
yii\console\controllers
yii\console\widgets
yii\data
yii\db
yii\db\conditions
yii\db\mssql
yii\db\mssql\conditions
yii\db\mysql
yii\db\oci
yii\db\oci\conditions
yii\db\pgsql
yii\db\sqlite
yii\db\sqlite\conditions
yii\di
yii\filters
yii\filters\auth
yii\grid
yii\helpers
yii\i18n
yii\log
yii\mail
yii\mutex
yii\rbac
yii\rest
yii\test
yii\validators
yii\validators\client
yii\web
yii\web\client
yii\widgets
Extensions
Bootstrap 6
Overview
Installation guide
Configuration guide
Usage examples
Migrating from yii2-bootstrap5
Agent skill
Testing
Reference
Overview
asset
enum
exception
item
FilePond
Overview
Installation guide
Configuration guide
Usage examples
Receive and store uploads
Use the FilePond agent skill
Testing
Reference
Overview
asset
asset\plugin
exception
file
validator
Locale URLs
Overview
Installation guide
Configuration guide
Usage examples
AI agent workflow
Testing
Reference
Overview
PSR bridge
Overview
Installation
Configuration
Practical examples
Migration checks
Use the PSR bridge agent skill
Testing
Reference
Overview
adapter
creator
emitter
exception
http
Extension template
Overview
Installation guide
Configuration reference
Usage examples
Testing
Development
Reference
Overview
Debug
Overview
Installation
Configuration reference
Usage examples
Migrate to Debug 0.2
AI assistance
Testing
Screenshots
Reference
Overview
actions
actions\db
actions\queue
collectors
db
exception
models
models\router
models\search
panels
panels\request
routing
service
storage
view
widgets
widgets\history
widgets\shell
widgets\sidebar
PHPStan
Overview
Installation guide
Configuration reference
Usage examples
Migration guide
AI assistance
Testing
Reference
Overview
method
property
reflection
type
Inertia
Overview
Installation guide
Configuration reference
Usage examples
Migration guide
AI assistance
Testing
Reference
Overview
Exception
web
RoadRunner
Overview
Installation guide
Configuration reference
Use the RoadRunner agent skill
Testing
Reference
Overview
FrankenPHP
Overview
Installation guide
Configuration reference
Worker examples
Migrate an existing worker
Use the FrankenPHP worker skill
Testing
Reference
Overview
Development tools
Docker
Overview
Install a Docker environment
Configuration reference
Use the images with an application
Use the Docker environment skill
Validate a Docker environment
AI
Build with an agent
Contributing
Project
Overview
Installation
Configuration
Examples
Testing
Development
Documentation Style Guide
Internals
Yii Developer Documentation
Automation
Backwards Compatibility
Yii 2 Core Framework Code Style
Design Decisions
Getting started with Yii 2 development
Git workflow for Yii 2 contributors
Project Organization
Pull request quality assurance
Releasing a new version
Report an Issue
Documentation status
Translation teams
Translation workflow
Yii Versioning
Yii 2 View Code Style
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Next steps
Section titled “Next steps”
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Usage Examples
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Testing Guide