Zend framework basic tutorial 1 (file structure)

Learning the ZF framework again... I saw a very simple tutorial on the Internet and wrote it down casually. The original Article address is: Http://www.phpeveryday.com/articles/Zend-Framework-Basic-Tutorial-P840.html
Zend framework is one of the most popular PHP frameworks in the world. It is developed by Zend. Starting from this section, we start to learn Zend framewore from scratch. We will build a simple "helloword" Program. In this framework, we will use the MVC Architecture mode. Our goal is to create a simple program like the following.

First, create a file structure as in under your web server folder

Download Zend framework, decompress the downloaded file, and a folder similar to the following structure will be obtained.

Copy the Zend Library to the helloworld/library directory. Your program directory is as follows: