Introduction to PHP

PHP files can contain text, HTML tags, and scripts. The scripts in the PHP file can be executed on the server. The basics you should have

Before continuing your study, you need to have a basic understanding of the following knowledge:

Html/xhtml

　　Basic Scripting Knowledge

PHP refers to PHP: Hypertext Preprocessor (Translator note: Php:hypertext preprocessor, recursive naming)

PHP is a server-side scripting language, similar to ASP

PHP scripts are executed on the server

PHP supports many databases (MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL, Generic ODBC, etc.)

PHP is an open source software (open source Software,oss)

PHP is free to download and use

　　What is a PHP file?

PHP files can contain text, HTML tags, and scripts

PHP file returns pure HTML to the browser

The file suffix for php files is ". php", ". PhP3" or ". Phtml"

　　What is MySQL?

MySQL is a database server

MySQL supports standard SQL

MySQL can be compiled on many platforms

MySQL is free to download and use

　　PHP + MySQL

The combination of PHP and MySQL is cross-platform (meaning that you can develop in a Windows environment and provide services on Unix platforms) why use PHP?

PHP can be run on different platforms (Windows, Linux, Unix)

PHP is compatible with almost all of the servers currently in use (Apache, IIS, etc.)

PHP is available for free download from the official PHP resources: www.php.net

PHP is easy to learn and can be run efficiently on the server side

　　Where do you start?

Install the Apache server on Windows or Linux machines

Install PHP on Windows or Linux machines

Install MySQL on Windows or Linux machines