Composer is a dependency manager for PHP and for PHP, which means that we can easily install packages for PHP if we use a project with PHP support; currently, all modern PHP frameworks such as Laravel or CodeIgniter already come with Composer support for free, therefore, the use of this tool is essential.

Composer is a tool that allows you to declare the libraries on which the project depends and the specific versions of these; automatically when doing a composer install or update the dependencies are installed.

In this post we are going to learn how you can migrate or update your composer version from 1 to 2 using Laragon, although you can repeat the steps regardless of the system you are using.

Go to the composer installation directory

In your terminal, you have to cd to the location of the composer installation in Laragon:

? cd..
C:\laragon\www
?

Check Composer V1 version

To find out which version of composer you are working with, you have to run the following command:

composer -V

In my case, it gives me something like the following:

Composer version 1.10.7 2020-12-03 17:18:15

Download Composer 2

The download and installation of composer in its version 2 can be done through the command line using php; for it:

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"

What the previous command does is download the composer 2 installer in the directory where we are positioned; now we have to execute the same.

Instalar (ejecutar el script php) Composer V2

php composer-setup.php

And that's it, with this we have composer in its version 2, therefore, we can now delete the installer:

Remove installer

To remove the composer installer once used, we can use the php unlink function using the following command:

php -r "unlink('composer-setup.php');"

Check Composer V2 version

Finally, we are going to verify the version of composer that we have installed, which at this point, if we did everything right, should be 2.x

composer -V

A version that includes 2.x

Composer version 2.0.8 2020-12-03 17:20:38

Finally, you can see the steps I ran on my machine to update the composer version in Laragon via its terminal:

Official documentation

The link to the documentation used: https://forum.laragon.org/topic/2222/upgrade-to-composer-2-x/4

As you can see, the steps are the same as for installing Composer.