PHP Editor is one of the best apps for aspiring web developers. With this application, you can edit PHP files with the extensions php, php3, php4, php5, and php6. You can also apply color to the syntax and utilize the search and replace function for easy editing. The tool also features autocompletion for streamlining the editing process, improving overall productivity. 

PHP Editor's interface is simple, consisting of only the most essential features such as the search function, redo button, and undo button. In addition, this app benefits users who are always on the go as they can work on their PHP files without being tied down to a laptop or desktop.