Multiple Files and Namespaces Scope

Question

I\'m pretty new to namespaces (and yes, I\'ve read the PHP documentation namespaces section). I\'m wondering what the scope of namespaces is with regard to multiple files. I

Answer 1

Any time you refer to a class that is outside of the current file or class scope, you use its namespace:

<?php
namespace B;

$class = new \A\Abc();

But if you "use" the namespace in your script, you can leave it out:'

<?php
namespace B;

use A\Abc;

$class = new Abc();