laminas:install

This command is using Composer to globally require the package laminas/laminas-cli.

Composer is a dependency management tool for PHP that allows you to easily manage and install libraries and packages in your projects.

global require is a Composer command that allows you to install a package globally on your system. When you install a package globally, it means you can use it as a command-line tool from anywhere on your system.

laminas/laminas-cli is a package from the Laminas project, formerly known as Zend Framework. It provides a command-line tool for managing Laminas-based projects. This package includes commands for creating projects, controllers, actions, and more.

By running this command, Composer will download and install the laminas/laminas-cli package globally on your system, making it available for use as a command-line tool.