di VS Yii2

The language is not that important, if you know Php, you learn another one in weeks (not you, Rust!) important and source of income is the knowledge of Design patterns and for what implementation to use which specific Pattern. PHP have a great ecosystem regarding design patterns. As there are the psr. Mostly, the Frameworks implement these recommendations: - dependency injection in Symfony, yii and spiral - Data Mapper implemented in doctrine or in cycle-orm.

Version released.

Now that we are clear about the concepts of configuration, container di and factory, let's see the complexity of creating an app.

Using the container di: Usage of the container di is fairly simple: You first initialize it with an array of definitions. The array keys are usually interface names. It will then use these definitions to create an object whenever that type is requested. This happens for example when fetching a type directly from the container somewhere in the application. But objects are also created implicitly if a definition has a dependency to another definition.

Now that we understand the concept in our next post, we will fully describe our configurations, and explain in detail the use of the container di and the factory.

Yii Dependency Injection 1.0.0

Yii is one of the oldest PHP frameworks, acronym as Yes It Is! It has 14.2k stars and 7k forks on GitHub. It is a fast, secure, and flexible PHP framework for web development, especially for building MVC architecture websites. It is an Object-Oriented PHP framework that requires knowledge of inheritance, polymorphism, etc.

In Yii Framework we have a middleware that will allow us to access our applications without the need to point the web server to the public directory of each template, so we will use the middleware SubFolder::class.

asset-packagist: This is the traditional Yii2 way, here we will add the following to our composer.json.

It is often preferable to manage Yii Assets programmatically. For example, when you use the widget in a page, it will automatically include the required css and javascript files, instead of asking you to manually find these files and include them. And when you upgrade the widget to a new version, it will automatically use the new version of the Yii Assets. In this tutorial, we will describe the powerful Yii Assets management capability provided in Yii Framework .

As we can see in the example above, we have defined the configuration of our packages in files .php (it doesn’t matter if they are YiiFramework packages or not), this allows us to define the configuration of each component in a very simple way to understand.

Now if we want to create an extension, under the code standard used in the Yii Framework v.3 packages, we can use yiisoft/template, provides us the tools necessary for our code to comply with good coding standards they are:

Now we understand how to do any configuration of any YiiFramework package or external, it is not necessary to have a single long and complex configuration file, we can organize it according to the group of configurations and Yii config will do the work for you, as well as the container it applies the definitions for you, with the automatic wiring facility in controllers, which makes it easy to access any container dependency without the need to use static access to it, or depend on the container itself.