Main application areas of PHP scripts
1. Server-side script
This is the most popular application area of PHP Tradition is also the main target area.
To carry out this work, you need the following three points: PHP parser (CGI or server module), web server and web browser.
You need to install and configure PHP when running the web server. Then, you can use a web browser to access the output of the PHP program, that is, browse the PHP page on the server side. If you're just experimenting with PHP programming, all of this can be run on your home computer.
2. Command line script
You can write a PHP script and do not need any server or browser to run it. This way, only the PHP parser is needed to execute. This usage is ideal for daily running scripts that rely on cron (Unix or Linux environment) or Task Scheduler (Windows environment). These scripts can also be used to process simple text.
3. Writing desktop applications
For desktop applications with graphical interfaces, PHP may not be the best language, but if the user is very proficient PHP, and if you want to use some advanced features of PHP in client applications, you can use PHP-GTK to write these programs.
Using this method, you can also write cross-platform applications. PHP-GTK is an extension of PHP that is not included in the commonly distributed PHP packages.
Recommended tutorial: PHP video tutorial
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