Composer is a dependency manager for the programming language, PHP. It functions as some sort of project manager that helps the programmer manage dependencies that will be used on a project-to-project basis.
Install PHP by running the below command,
dnf install php
wget package to download files from the internet.
dnf -y install wget
Install Composer locally by running the following command,
wget https://getcomposer.org/installer -O composer-installer.php
Run the downloaded composer installation file with the below command,
php composer-installer.php --filename=composer --install-dir=/usr/local/bin
Verify the PHP Composer version once the installation is done,
To test your installation, run the following command.
Now you have successfully installed Composer on your CentOS Stream 9.