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freeCodeCamp/guide/english/php/composer/index.md

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---
title: Composer
---
## Composer
Composer is a package manager for PHP packages. You use a `composer.json` file to configure the packages for a PHP project, similar to the `package.json` file in NodeJS projects.
### Install Composer
To install Composer, you first have to download it from <a href='https://getcomposer.org/download/' target='_blank' rel='nofollow'>getcomposer.org</a>.
You can then install Composer locally or globally.
### Install Packages
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Install packages with `composer install`. Composer will install the packages listed in the `composer.json` file to the vendor/ folder.
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```shell
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composer install
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```
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To install only a specific package, use `composer require <package_name>`. This will only download and install the latest version available to the selected package.
If you run this command without a `composer.json` file, composer will automatically create it the before the installation.
```shell
composer require <package_name>
```
### Updating Packages
Update packages with `composer update`, Composer will automatically download and install the latest versions of the packages listed in the `composer.json` file to the vendor/ folder.
```shell
composer update
```
To update a single package, use `composer update <package_name>`.
### Removing Packages
Removing is easy as installing packages with composer. Just enter `composer remove <package_name>` to uninstall the package from your vendor/ folder. This will automatically update your `composer.json` file.
```shell
composer remove
```
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### More Information:
* The Composer website: <a href='https://getcomposer.org/' target='_blank' rel='nofollow'>getcomposer.org</a>
* Composer's GitHub repo: <a href='https://github.com/composer/getcomposer.org' target='_blank' rel='nofollow'>composer/getcomposer</a>
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* The popular PHP package repository that Composer uses to search for packages: <a href='https://packagist.org/' target='_blank' rel='nofollow'>Packagist</a>