Skip to content

Expanded closure example in DI #343

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
samdark merged 4 commits into from
Jan 16, 2026
Merged

Expanded closure example in DI #343

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
811753d
Expanded closure example in DI
samdark Jan 16, 2026
93e2613
Update src/guide/concept/di-container.md
samdark Jan 16, 2026
a396d15
Review fix
samdark Jan 16, 2026
0be2394
Remove duplicate
samdark Jan 16, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 8 additions & 4 deletions src/guide/concept/di-container.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -118,9 +118,6 @@ That's what dependency containers are for.
A dependency injection (DI) container is an object that knows how to instantiate and configure objects and
all objects they depend on.

> [!NOTE]
> The container contains only shared instances. If you need a factory, use the dedicated [yiisoft/factory](https://github.com/yiisoft/factory) package.

Yii provides the DI container feature through the [yiisoft/di](https://github.com/yiisoft/di) package and
[yiisoft/injector](https://github.com/yiisoft/injector) package.

Expand Down Expand Up @@ -257,7 +254,14 @@ MyServiceInterface::class => static function(ContainerInterface $container) {
},
```

As an argument, a container is passed to a closure. It can be used to resolve dependencies.
Additionally, to `ContainerInterface`, you can request any registered service directly as a closure parameter.
The injector will automatically resolve and inject these:

```php
MyServiceInterface::class => static function(ConnectionInterface $db) {
return new MyService($db);
},
```

It's possible to use a static method call:

Expand Down