Is php client side or server side?
php is server-side. PHP is an embedded scripting language that runs on the server side. It is mainly used to respond to user requests and can process information submitted by users through web pages. The main goal of PHP language creation is to allow developers to quickly write high-quality web sites. In WEB The service field accounts for a higher proportion, but it can also be used in areas such as command line scripts.
The operating environment of this tutorial: Windows 7 system, PHP version 8.1, DELL G3 computer
php is server-side.
PHP stands for "Hypertext Preprocessor" and is a general open source scripting language. PHP is a scripting language executed on the server side. It is similar to C language and is a commonly used website programming language.
PHP is the language of the server. It is mainly used to process information submitted by customers through web pages. It runs on the server side and is used to respond to customer requests. It can execute dynamic web pages faster than CGI or Perl.
PHP is a cross-platform, open source, free scripting language. Its syntax absorbs the characteristics of C language, Java and Perl. It is easy to learn and widely used. It is mainly suitable for the field of web development.
PHP language is one of the most popular web development languages. It is favored by web developers for its easy learning, fast development, and stable performance. Not only does it have a large number of users, but it also has strong community support, making it very fast to develop web applications with PHP or learn the PHP language.
PHP has certain advantages over other languages:
1. PHP is an open source code: all PHP source codes are actually available.
2. PHP is free. Compared with other technologies, PHP itself is free.
3. PHP is fast, program development is fast, running is fast, and the technology itself is learned quickly. Embedded in HTML: Because PHP can be embedded in HTML language, compared with other languages, it is simple to edit, highly practical, and more suitable for beginners.
4. Strong cross-platform capability: Since PHP is a script that runs on the server side, it can run under UNIX, LINUX, and WINDOWS.
5. High efficiency: PHP consumes very few system resources.
6. Image processing: Use PHP to dynamically create images
7. Object-oriented: In php5, object-oriented aspects have been greatly improved. Now php can be used to develop large-scale business process.
Application fields of PHP
1) WEB server (a higher proportion in the field of WEB server)
PHP is especially suitable for website development. 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/.
Recommended learning: "PHP Video Tutorial"
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