What is 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 liaison between your PHP project 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. The dependency manager allows you to create and retrieve libraries in your PHP projects on the library Packagist.org itself is a site that provides many libraries that you can use. With the help of these tools you can connect to the packagist.org site and you can download and upload libraries.
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 while 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.
How Composer Works
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.
- These tools help 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.
Why Should Developers Use the Despendency Manager? Maybe in your mind a question arises “Why should I use composer”. A programmer or web developer is highly recommended to use a dependency manager to make it easier to work on projects. The PHP community or PHP programming language users today mostly work with Laravel, Silex, Phalcon or Symfony2 frameworks. Every time you create a new module, you also have a new version. The more bundles and versions there will be a problem. In this case dependencies are the solution to the problem. If you have a project with a large number of dependencies and there are
- some of them depend on other bundles,
- or you want to choose which package is required for the project you are working on,
- or you want to have some control over the versions of the files you install.
If you answered yes to some of the points mentioned above, then Dependency Manager is the best and perfect solution for you.
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