The main issue with this is that the source code files are difficult to read when the editor doesn’t highlight the syntax and makes people understand the code structure. But that doesn’t mean that it is an easy task to do. When it comes to PHP code, anyone can edit its file using a basic text editor like Notepad. Let’s have a brief representation of all the best and free PHP editors which proves to be a boon for the PHP developers. It is often noticed that the server part of any website includes a huge number of SQL queries and intensive interactions with databases so it becomes crucial for your program to support the FTP protocol by understanding the syntax of SQL and providing an interface for connecting databases to advanced editing capabilities. PHP is a server programming language used to write scripts in the environment of the hosting operating system.