Q: What Composer command-line do you have to use ?

Problem

What command-line do you have to use for using Composer ?

In documentation you will find

and

You will use the command-line according to your installation.

	Locally	Globally
Command-line	$> php composer.phar	$> composer
Advantages	No rights needed No configuration needed (out of the box)	Every user on the server can access to composer CLI You have your Composer outside your web RootDirectory

or (according to your user rights on your system)