PHP Tutorial: Introduction to PHP

Nothing can change without PHP. This article is a PHP tutorial for those who are just getting started or are preparing to get started. The purpose is also to give beginners a clear idea about PHP.

What is php?

• PHP is an acronym for "PHP Hypertext Preprocessor"

• PHP is a widely used open source script Language

• PHP scripts are executed on the server

• PHP has no cost and is free to download and use

• PHP is an amazingly popular language!

• It’s powerful enough to be the core of the largest blogging system on the web (WordPress)!

• It's deep enough to run the largest social network (facebook)!

• And it’s easy to use enough to become the preferred server-side language for beginners!

What is a PHP file?

• PHP files can contain text, HTML, CSS and PHP code

• PHP code is executed on the server and the result is in plain text Return to the browser

• The suffix of the PHP file is ".php" (general conditions)

After a comprehensive understanding, the editor will use A "HELLO WORD" simply takes you to understand what the code type of PHP looks like.

Getting Started Example

Write the following code on editplus or other development tools:

<?php
//输出：Hello Word
echo &#39;Hello Word&#39;;
 ?>

Output result:

Summary

Although the article is concise and comprehensive, it gives us an understanding of PHP. Only by understanding what it is, in the future The learning journey will be smoother. This is the basic preparation for learning PHP. I hope this article will be helpful to those of you who are just learning PHP.

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