A cornerstone of modern software development practices We’ve made it to almost 100 articles without discussing dependencies in PHP. We ended the previous article on the DateTime built in class. We used it to perform some date and time operations. Next on the list is Carbon. Carbon is a dependency that’s installable using composer. Once installed, we can use it like any other built in class. Carbon actually inherits from the DateTime class and expands on it. But, before we get into that, I wanted to briefly touch on dependencies in PHP. You might have heard on npm if you’ve ever worked on any front-end application that uses JavaScript. npm is a