How to download and install composer on windows 7

Composer is a dependency manager for PHP (similar to Bundler for Ruby apps). Composer allows developers to specify project dependencies in a composer. json file and then Composer automatically handles the rest.

How does PHP composer work?
Composer is a dependency manager for PHP. Composer will manage the dependencies you require on a project by project basis. This means that Composer will pull in all the required libraries, dependencies and manage them all in one place. ... PEAR is an established PHP package manager that has been around for years.