Not the elegant prince of our debauched and vicious art, not the jeweled idol of our society churches--but the Jesus of the awful reality, the man of sorrow and pain, the outcast, despised of the world, who had nowhere to lay his head--.
AngularJS uses $provide to register new providers. The providers basically create new instances, but only once for each provider. The $provide has six methods to create custom providers and I will explain each one of them with the help of sample code.
AngularJS is a frontend framework which actually acts as a backend tool and lets you create what we call single page web application. PHP is only a backend, server side scripting language and cannot compare at all with AngularJS.