Sometimes you have several different versions of files or folders related to your project locally, or you’ve just downloaded it from a remote source. In this case it’s crucial to work with the most up-to-date copy. If you need to merge changes and synchronise folders,  then it can become even more complicated, as well as difficult to perform manually without any support. The good news is that you can quickly and conveniently compare and/or synchronize files/folders with guidance and support from your IDE, without any external tools. PhpStorm and other IntelliJ Platform IDEs help you explore