The working of AngularJS is largely guided by two principles. First is declarative programming, which is believed to be used for designing user interface and second is imperative programming, which should be left for establishing domain logic.
Node.js is one of the few platforms that offer the provision of code reuse. It holds the edge over PHP on various aspects. For instance, Node.js is considered to be concurrent and unlike PHP it will not collapse. PHP is vulnerable to issues when it is made to handle thousands of connections simultaneously. One of the other outstanding features regarding Node.js is that, it is much faster when compared to PHP.