PHP was created by Rasmus Lerdorf in the fall of 1994 exclusively for personal purposes - Rasmus wanted to keep his website traffic statistics. At the time, the language wasn't enough, but in 1995 it learned to extract data from HTML forms and use a database. It has grown since then. And now it's a useful tool for dynamically creating HTML pages. The meaning of the abbreviation has also changed: it's now a hypertext preprocessor.
So what does "PHP" mean? PHP - is a scripting language that is interpreted by the server-side. After running the server script The browser will receive the result as an HTML page.
The main difference between this language and any code that runs on the client-side, i.e. JavaScript is an Echo/Print in PHP script that runs on the server-side.
You can also configure your server so that HTML files can handle PHP, so clients won't even know they're receiving regular HTML files or script output. This programming language allows you to create high-quality web applications in no time. With products that are easily adaptable and supported in the future, PHP is easy to learn. but meeting the needs of professional programmers.
PHP capabilities are great. basically, The scope of the language application focuses on scripting. It works on the server-side, so PHP can do everything that other CGI programs do, for example, processing form data. Dynamic page content creation Sending and receiving cookies.
You can use PHP in three main areas
• Create a PHP classification script that runs on the server-side. The most widely used language of this nature. In short, all you need is a PHP parser (either a CGI program or a server module), and a web server. and browser To view the output of the PHP script in the browser You must have a working web server and have this programming language installed.
• Create scripts that run on the command line. You can create PHP scripts that run without a server or browser. All you need is a PHP parser.
• Create a GUI application to run on the client Perhaps PHP is not the best language to create such an application. But if you know PHP very well and want to use some of its features in your client application, you can use PHP-GTK to build such an application.
PHP can be used with most operating systems, including Linux, many modifications of Unix (such as HP-UX, Solaris, and Open BSD), Microsoft Windows, Mac OS X, RISC OS, and others. PHP also supports most modern web servers. too For most servers PHP has modules. For other servers that support the CGI standard, PHP can function as a CGI processor.
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