2.1. Getting started

2.2. Understanding dependency injection

2.3. 最佳实践指南

3.1. Configure the container

3.2. Use the container

4.1. Introduction

4.2. Autowiring

4.3. PHP definitions

4.4. Annotations

4.5. Definition extensions and overriding

5.1. Symfony

5.2. Silex

5.3. Zend Framework 1

5.4. Zend Framework 2

5.5. Zend Expressive

5.6. Slim

5.7. Silly

6.1. Performances

6.2. Lazy injection

6.3. Inject on an existing instance

6.4. Injections depending on the environment

6.5. IDE integration

7.1. Migration from PHP-DI 3.x to 4.0

7.2. Migration from PHP-DI 4.x to 5.0

7.3. Migration from PHP-DI 5.x to 6.0

8.1. Contribute

8.2. How PHP-DI works