Composer

Desain

1. Understanding composer

Composer is a dependency manager tool in PHP, Dependency itself is defined when the PHP project you are working on still needs or requires an external library.

Composer serves as a link between your PHP projects and external libraries. If the PHP programming language uses Composer as a dependency manager, then just like Ruby uses Gems, Java uses Maven and Gradle and the entire JS community focuses on npm.

2. Benefits of Using a Despendency Manager

There are so many benefits that you can get when you use these tools when working on PHP projects. Besides being faster in completing projects because you can freely use libraries from packagist.org there are many other benefits. Here are the benefits of using composer when working on PHP projects.

  • By using these tools, you can be more structured when coding PHP by using the MVC concept.
  • Packages that you need when working on PHP projects will be automatically installed or updated without having to install them manually.
  • You don’t need to include all the php files or php classes needed in your PHP project, because there is already an autoload that will handle this function.
  • By using a dependency manager that is connected to packagist, you can freely use the thousands of packages already available by packagist.

3.  How Composer Works

In accordance with the explanation above, if composer uses packagist.org as the main bundle provider. Well, this tool is in charge of connecting programmers with packagist.org.

Packagist.org will submit features on versioning or integration with GitHub and/or bitbucket.

  • This tool helps find packages/bundles available on the packagist.org site.
  • Most repositories, such as Github, include links or commands ready to simplify downloading the appropriate bundle via composer.
  • Can result in a hierarchical structure, for example: A national repository website may require a continental repository site (child-parent dependency), while being a child of the frameworks repository site (a parent for the previous parent). In this way the dependency structure is created.

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