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.
Table of Contents (19 chapters)
Yii2 Application Development Cookbook Third Edition
About the Authors
About the Reviewer

Complex forms with multiple models

When dealing with some complex data, it is possible that you may need to use multiple different models to collect the user input. For example, you have an order form with user information such as first name, last name, and phone number; you also have a delivery address and some kind of product.

You would like to save all this data in one form. With Yii models and support forms, you can easily do this. Assuming that the user info will be stored in the user table and in the order form, we will save product information and the user_id of the user who has ordered a product. We also have a product table with some information in it.

Getting ready

  1. Create a new application by using the Composer package manger, as described in the official guide at

  2. Create migrations for contest and prize tables with the following commands:

    ./yii migrate/create create_order_tables
  3. Update the newly-created migration's up...