Table of Contents

• Preface

Unnoticed basics

• How component works
• Events
• What to choose? Object or Component?
• Configuring components globally

Logging and error handling

• Logging: problems and solutions
• Customizing 404 page
• Handling errors and exceptions
• Understanding error stack trace
• Overriding error handler from a module

Web essentials

• URLs with variable number of parameters
• Outputting JSON and XML
• Using Google fonts as assets
• Managing cookies
• Using WYSIWYG
• AJAX???
• Handling incoming third party POST requests

SEO essentials

• Enable pretty URLs
• Pagination with pretty URLs
• Adding SEO tags
• Canonical URLs
• Using redirects
• Using slugs
• Handling trailing slash in URLs

Forms

• Using and customizing captcha
• Working with ActiveForm via JavaScript
• Uploading files
• Custom validator for multiple attributes

Security

• A safe approach to passwords explained
• SQL injection
• XSS
• RBAC
• CSRF

Structuring and organizing code

• Backend and frontend via modules
• Asset processing with Grunt
• Asset processing with Gulp
• Using global functions
• Processing text
• Implementing typed collections
• MVC
• SOLID
• Dependencies

View

• Reusing views via partials
• Using blocks
• Using decorators
• When to use Widgets and when not to
• Switching themes dynamically
• Post-processing response

Models

Active Record

• Has and belongs to many
• Using SQL and noSQL at the same time
• Saving related models
• Single table inheritance

i18n

• General best practices
• Selecting application language
• Using IDs as translation source

Performance

• Necessary production setup
• Speeding up sessions
• Implementing backgroud tasks (cronjobs)
• Running Yii on HHVM
• Caching
• Configuring a Yii2 Application for an Autoscaling Stack

External code

• Using Yii in third party apps
• Using third party code with Yii

Tools

• Making your life easier (XDebug, debug toolbar, gii)
• IDE autocompletion for custom components
• Using custom migration template