By: George Langley in PHP Tutorials on 2011-03-25
PHP (Hypertext Preprocessor) is a server-side scripting language, which means it runs on the web server, not on the client's machine. When a user requests a web page from a server that contains PHP code, the server processes the PHP code and generates HTML, which is then sent back to the user's browser for display.
Here is a brief overview of how PHP works:
- A user requests a web page that contains PHP code.
- The web server identifies the PHP code and passes it to the PHP interpreter for processing.
- The PHP interpreter executes the PHP code and generates HTML, which is sent back to the web server.
- The web server then sends the HTML response back to the user's browser for display.
PHP can be installed and run on various web servers, including Apache, Nginx, and Microsoft IIS, as well as on various operating systems, including Windows, macOS, and Linux. The most common way to run PHP is by installing it on a web server and configuring the server to process PHP files. Some web hosting providers offer preconfigured PHP environments, making it easy to get started with PHP web development.
Overall, PHP is a powerful and flexible server-side scripting language that can be used to create dynamic and interactive web pages and applications. Its ability to run on various web servers and operating systems makes it a popular choice for web developers.
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