Book Image

Yii2 Application Development Cookbook - Third Edition

By : Sergey Ivanov, Andrew Bogdanov, Dmitry Eliseev
Book Image

Yii2 Application Development Cookbook - Third Edition

By: Sergey Ivanov, Andrew Bogdanov, Dmitry Eliseev

Overview of this book

Yii is a free, open source web application development framework written in PHP5 that promotes clean DRY design and encourages rapid development. It works to streamline your application development time and helps to ensure an extremely efficient, extensible, and maintainable end product. Being extremely performance optimized, Yii is a perfect choice for any size project. However, it has been built with sophisticated, enterprise applications in mind. You have full control over the configuration from head-to-toe (presentation-to-persistence) to conform to your enterprise development guidelines. It comes packaged with tools to help test and debug your application, and has clear and comprehensive documentation. This book is a collection of Yii2 recipes. Each recipe is represented as a full and independent item, which showcases solutions from real web-applications. So you can easily reproduce them in your environment and learn Yii2 fast and without tears. All recipes are explained with step-by-step code examples and clear screenshots. Yii2 is like a suit that looks great off the rack, but is also very easy to tailor to fit your needs. Virtually every component of the framework is extensible. This book will show how to use official extensions, extend any component, or write a new one. This book will help you create modern web applications quickly, and make sure they perform well using examples and business logic from real life. You will deal with the Yii command line, migrations, and assets. You will learn about role-based access, security, and deployment. We’ll show you how to easily get started, configure your environment, and be ready to write web applications efficiently and quickly.

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Yii2 Application Development Cookbook - Third Edition
Sergey Ivanov | Andrew Bogdanov | Dmitry Eliseev
Nov, 2016 | 584 pages
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Table of Contents (19 chapters)
Yii2 Application Development Cookbook Third Edition
Yii2 Application Development Cookbook Third Edition
Credits
Credits
About the Authors
About the Authors
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Fundamentals
Fundamentals
Introduction
Installing the framework
Application templates
Dependency injection container
Service locator
Code generation
Configuring components
Working with events
Using external code
2
Routing, Controllers, and Views
Routing, Controllers, and Views
Introduction
Configuring URL rules
Generating URLs
Using regular expressions in URL rules
Using a base controller
Using standalone actions
Creating a custom filter
Displaying static pages
Using flash messages
Using the controller context in a view
Reusing views with partials
Using blocks
Using decorators
Defining multiple layouts
Pagination and sorting data
3
ActiveRecord, Model, and Database
ActiveRecord, Model, and Database
Introduction
Getting data from a database
Defining and using multiple DB connections
Customizing the ActiveQuery class
Processing model fields with AR event-like methods
Automating timestamps
Setting up an author automatically
Setting up a slug automatically
Transactions
Replication and read-write splitting
Implementing single table inheritance
4
Forms
Forms
Introduction
Writing your own validators
Uploading files
Adding and customizing CaptchaWidget
Customizing Captcha
Creating a custom input widget
Tabular input
Conditional validation
Complex forms with multiple models
AJAX-dependent drop-down list
AJAX validation
Creating a custom client-side validation
5
Security
Security
Introduction
Authentication
Using controller filters
Preventing XSS
Preventing SQL injections
Preventing CSRF
Using RBAC
Encrypting/Decrypting data
6
RESTful Web Services
RESTful Web Services
Introduction
Creating a REST server
Authentication
Rate limiting
Versioning
Error handling
7
Official Extensions
Official Extensions
Introduction
Authentication client
SwiftMailer e-mail library
Faker fixture data generator
Imagine library
MongoDB driver
ElasticSearch engine adapter
Gii code generator
Pjax jQuery plugin
Redis database driver
8
Extending Yii
Extending Yii
Introduction
Creating helpers
Creating model behaviors
Creating components
Creating reusable controller actions
Creating reusable controllers
Creating a widget
Creating CLI commands
Creating filters
Creating modules
Creating a custom view renderer
Creating a multilanguage application
Making extensions distribution-ready
9
Performance Tuning
Performance Tuning
Following best practices
Speeding up session handling
Using cache dependencies and chains
Profiling an application with Yii
Leveraging HTTP caching
Combining and minimizing assets
Running Yii2 on HHVM
10
Deployment
Deployment
Introduction
Changing the Yii directory layout
Moving an application webroot
Changing an advanced application template
Moving configuration parts into separate files
Using multiple configurations to simplify the deployment
Implementing and executing cron jobs
Maintenance mode
Deployment tools
11
Testing
Testing
Introduction
Testing application with Codeception
Unit testing with PHPUnit
Unit testing with Atoum
Unit testing with Behat
12
Debugging, Logging, and Error Handling
Debugging, Logging, and Error Handling
Introduction
Using different log routes
Analyzing the Yii error stack trace
Logging and using the context information
Displaying custom errors
Custom panel for debug extension
Index
Index

Application templates

Yii2 has two application templates for development: basic and advanced. What is the difference between basic and advanced templates?

The names are confusing. Some people in the end choose basic because advanced may sound repulsive. In this chapter we will look at the differences.

How to do it…

Please refer to the Installing the framework recipe's How to do it… section to understand and learn how to install different templates.

How it works…

The advanced template has a custom system of configurations. It is developed so that a team can work together on a project but each developer can customize their own configurations for development, testing, and other environments.

Configuration environments can be complicated and normally aren't used when you develop alone.

The advanced template has frontend and backend folders for the frontend and backend parts of the web application accordingly. So you can configure a separate host for each folder and thereby isolate the frontend and backend part.

This is a simple way to organize files into directories and configure the web server. You can easily do the same thing in the basic template.

Neither front/back-end separation nor user management is on its own a good reason to choose the advanced template. It's better to adapt these features to your app—you'll learn more and won't get the difficult config problem.

If you will be working on the project with a team and you might need configuration flexibility, use different environments to develop and in this case a better choice would be the advanced application template. If you will be working alone and your project is simple you should choose the basic application template.

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