PHP's Chinese meaning is "Hypertext Preprocessor". It is a cross-platform, open source, scripting language executed on the server side. It is especially suitable for Web development and can be embedded in HTML. The Chinese meaning of html is "hypertext markup language". It is a markup language that uses markup to describe the structure and presentation of documents. It is specially used to design and edit web pages.
The operating environment of this tutorial: windows7 system, PHP7.1&&HTML5 version, DELL G3 computer
What does php mean?
PHP (PHP Hypertext Preprocessor) is a "hypertext preprocessor". It is a cross-platform, open source, free scripting language executed on the server side. It is especially suitable for Developed for the Web and can be embedded in HTML. PHP syntax learned the C language, absorbed the characteristics of multiple languages of Java and Perl to develop its own unique syntax, and continued to improve itself based on their strengths, such as Java's object-oriented programming. The main goal of the language was originally created to make Developers quickly write high-quality web sites.
PHP supports both object-oriented and process-oriented development, and is very flexible in use.
Application fields of PHP
After more than 20 years of development, with the rapid development and improvement of php-cli related components, PHP can already be applied in TCP/ System development in non-Web fields such as UDP services, high-performance Web, WebSocket services, Internet of Things, real-time communications, games, microservices, etc.
1) WEB server
PHP is particularly suitable for website development, and no language can compete with it (according to statistics from the authoritative technology website w3techs.com, PHP is used by 79% of websites) .
Of course, PHP can be used not only in website development, but also in game development, advertising system development, API interface development, mobile backend development, and internal OA system development.
Nowadays, WeChat development is extremely popular, and PHP is also the best development tool. With the birth of the react native framework and Hybrid App, PHP programmers can even develop mobile apps.
2) Command line script
We can also run PHP scripts through the command line mode. This mode does not require server support or browser triggering. In the command line script mode Only a PHP parser is required to execute. Usually this method is used for daily running scripts under Windows and Linux platforms, such as certain daemons, etc. Of course these scripts can also be used to process simple text.
3) Writing desktop applications
PHP may not be the best language for developing desktop applications with graphical interfaces, but if the user is very proficient in PHP and wants to If you use some advanced features of PHP in client applications, you can use PHP-GTK to write these programs.
PHP-GTK is an extension of PHP. Using PHP-GTK, you can create independent GUI (graphical user interface) applications, such as mp3 players, text editors, database backends, etc. PHP-GTK can be downloaded from http://gtk.php.net/.
What does html mean
HTML, Hyper Text Markup Language, is a tool for creating web pages and other content that can be used in A markup language for information design seen in web browsers, specifically used to design and edit web pages.
It includes a series of tags through which the document format on the network can be unified and scattered Internet resources can be connected into a logical whole.
Since 1990, HTML has been used as the information representation language of the World Wide Web. Files described using HTML need to be displayed through a web browser. HTML is a language for creating web page files. It uses markup instructions (tags) to display images, sounds, pictures, text animations, movies and other content. In fact, every HTML document is a static web page file. This file contains HTML instruction codes. These instruction codes are not a programming language, but a markup structure language that layouts the display position of data in a web page. It is easy to learn. Easy to understand and very simple.
Main features of HTML:
Simplicity: Hypertext Markup Language version upgrade adopts superset method, making it more flexible and convenient.
Scalability: The wide application of hypertext markup language has brought about requirements for enhanced functions and added identifiers. Hypertext markup language adopts the method of subclass elements to bring system expansion. to guarantee.
Platform independence: Although personal computers are popular, there are many people who use other machines such as MAC. Hypertext Markup Language can be used on a wide range of platforms. This is also the World Wide Web (WWW) Another reason for its popularity.
Versatility: In addition, HTML is the universal language of the Internet, a simple and universal all-purpose markup language. It allows web page producers to create complex pages that combine text and images, and these pages can be viewed by anyone else on the Internet, regardless of the type of computer or browser used.
Recommended tutorials: "html video tutorial", "PHP video tutorial"
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